From: Paladz Date: Fri, 19 Jul 2019 02:51:29 +0000 (+0800) Subject: delete the unused (#323) X-Git-Tag: v1.0.5~103 X-Git-Url: http://git.osdn.net/view?p=bytom%2Fvapor.git;a=commitdiff_plain;h=b057187a9b3143ad580169bfa1d94f28784a1ca9 delete the unused (#323) --- diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go deleted file mode 100644 index afadd565..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/bench_test.go +++ /dev/null @@ -1,53 +0,0 @@ -package chainkd - -import ( - "log" - "testing" -) - -var ( - benchXprv XPrv - benchXpub XPub - benchMsg = []byte("Hello, world!") - benchSig []byte -) - -func init() { - var err error - benchXprv, err = NewXPrv(nil) - if err != nil { - log.Fatalln(err) - } - benchXpub = benchXprv.XPub() - benchSig = benchXprv.Sign(benchMsg) -} - -func BenchmarkXPrvChildNonHardened(b *testing.B) { - for i := 0; i < b.N; i++ { - benchXprv.Child(benchMsg, false) - } -} - -func BenchmarkXPrvChildHardened(b *testing.B) { - for i := 0; i < b.N; i++ { - benchXprv.Child(benchMsg, true) - } -} - -func BenchmarkXPubChild(b *testing.B) { - for i := 0; i < b.N; i++ { - benchXpub.Child(benchMsg) - } -} - -func BenchmarkXPrvSign(b *testing.B) { - for i := 0; i < b.N; i++ { - benchXprv.Sign(benchMsg) - } -} - -func BenchmarkXPubVerify(b *testing.B) { - for i := 0; i < b.N; i++ { - benchXpub.Verify(benchMsg, benchSig) - } -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go deleted file mode 100644 index 3629fec4..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd.go +++ /dev/null @@ -1,275 +0,0 @@ -package chainkd - -import ( - "crypto/hmac" - "crypto/rand" - "crypto/sha512" - "io" - - "github.com/bytom/crypto/ed25519" - "github.com/bytom/crypto/ed25519/ecmath" -) - -type ( - //XPrv external private key - XPrv [64]byte - //XPub external public key - XPub [64]byte -) - -// NewXPrv takes a source of random bytes and produces a new XPrv. -// If r is nil, crypto/rand.Reader is used. -func NewXPrv(r io.Reader) (xprv XPrv, err error) { - if r == nil { - r = rand.Reader - } - var entropy [64]byte - _, err = io.ReadFull(r, entropy[:]) - if err != nil { - return xprv, err - } - return RootXPrv(entropy[:]), nil -} - -// RootXPrv takes a seed binary string and produces a new xprv. -func RootXPrv(seed []byte) (xprv XPrv) { - h := hmac.New(sha512.New, []byte{'R', 'o', 'o', 't'}) - h.Write(seed) - h.Sum(xprv[:0]) - pruneRootScalar(xprv[:32]) - return -} - -// XPub derives an extended public key from a given xprv. -func (xprv XPrv) XPub() (xpub XPub) { - var scalar ecmath.Scalar - copy(scalar[:], xprv[:32]) - - var P ecmath.Point - P.ScMulBase(&scalar) - buf := P.Encode() - - copy(xpub[:32], buf[:]) - copy(xpub[32:], xprv[32:]) - - return -} - -// Child derives a child xprv based on `selector` string and `hardened` flag. -// If `hardened` is false, child xpub can be derived independently -// from the parent xpub without using the parent xprv. -// If `hardened` is true, child key can only be derived from the parent xprv. -func (xprv XPrv) Child(sel []byte, hardened bool) XPrv { - if hardened { - return xprv.hardenedChild(sel) - } - return xprv.nonhardenedChild(sel) -} - -func (xprv XPrv) hardenedChild(sel []byte) (res XPrv) { - h := hmac.New(sha512.New, xprv[32:]) - h.Write([]byte{'H'}) - h.Write(xprv[:32]) - h.Write(sel) - h.Sum(res[:0]) - pruneRootScalar(res[:32]) - return -} - -func (xprv XPrv) nonhardenedChild(sel []byte) (res XPrv) { - xpub := xprv.XPub() - - h := hmac.New(sha512.New, xpub[32:]) - h.Write([]byte{'N'}) - h.Write(xpub[:32]) - h.Write(sel) - h.Sum(res[:0]) - - pruneIntermediateScalar(res[:32]) - - // Unrolled the following loop: - // var carry int - // carry = 0 - // for i := 0; i < 32; i++ { - // sum := int(xprv[i]) + int(res[i]) + carry - // res[i] = byte(sum & 0xff) - // carry = (sum >> 8) - // } - - sum := int(0) - - sum = int(xprv[0]) + int(res[0]) + (sum >> 8) - res[0] = byte(sum & 0xff) - sum = int(xprv[1]) + int(res[1]) + (sum >> 8) - res[1] = byte(sum & 0xff) - sum = int(xprv[2]) + int(res[2]) + (sum >> 8) - res[2] = byte(sum & 0xff) - sum = int(xprv[3]) + int(res[3]) + (sum >> 8) - res[3] = byte(sum & 0xff) - sum = int(xprv[4]) + int(res[4]) + (sum >> 8) - res[4] = byte(sum & 0xff) - sum = int(xprv[5]) + int(res[5]) + (sum >> 8) - res[5] = byte(sum & 0xff) - sum = int(xprv[6]) + int(res[6]) + (sum >> 8) - res[6] = byte(sum & 0xff) - sum = int(xprv[7]) + int(res[7]) + (sum >> 8) - res[7] = byte(sum & 0xff) - sum = int(xprv[8]) + int(res[8]) + (sum >> 8) - res[8] = byte(sum & 0xff) - sum = int(xprv[9]) + int(res[9]) + (sum >> 8) - res[9] = byte(sum & 0xff) - sum = int(xprv[10]) + int(res[10]) + (sum >> 8) - res[10] = byte(sum & 0xff) - sum = int(xprv[11]) + int(res[11]) + (sum >> 8) - res[11] = byte(sum & 0xff) - sum = int(xprv[12]) + int(res[12]) + (sum >> 8) - res[12] = byte(sum & 0xff) - sum = int(xprv[13]) + int(res[13]) + (sum >> 8) - res[13] = byte(sum & 0xff) - sum = int(xprv[14]) + int(res[14]) + (sum >> 8) - res[14] = byte(sum & 0xff) - sum = int(xprv[15]) + int(res[15]) + (sum >> 8) - res[15] = byte(sum & 0xff) - sum = int(xprv[16]) + int(res[16]) + (sum >> 8) - res[16] = byte(sum & 0xff) - sum = int(xprv[17]) + int(res[17]) + (sum >> 8) - res[17] = byte(sum & 0xff) - sum = int(xprv[18]) + int(res[18]) + (sum >> 8) - res[18] = byte(sum & 0xff) - sum = int(xprv[19]) + int(res[19]) + (sum >> 8) - res[19] = byte(sum & 0xff) - sum = int(xprv[20]) + int(res[20]) + (sum >> 8) - res[20] = byte(sum & 0xff) - sum = int(xprv[21]) + int(res[21]) + (sum >> 8) - res[21] = byte(sum & 0xff) - sum = int(xprv[22]) + int(res[22]) + (sum >> 8) - res[22] = byte(sum & 0xff) - sum = int(xprv[23]) + int(res[23]) + (sum >> 8) - res[23] = byte(sum & 0xff) - sum = int(xprv[24]) + int(res[24]) + (sum >> 8) - res[24] = byte(sum & 0xff) - sum = int(xprv[25]) + int(res[25]) + (sum >> 8) - res[25] = byte(sum & 0xff) - sum = int(xprv[26]) + int(res[26]) + (sum >> 8) - res[26] = byte(sum & 0xff) - sum = int(xprv[27]) + int(res[27]) + (sum >> 8) - res[27] = byte(sum & 0xff) - sum = int(xprv[28]) + int(res[28]) + (sum >> 8) - res[28] = byte(sum & 0xff) - sum = int(xprv[29]) + int(res[29]) + (sum >> 8) - res[29] = byte(sum & 0xff) - sum = int(xprv[30]) + int(res[30]) + (sum >> 8) - res[30] = byte(sum & 0xff) - sum = int(xprv[31]) + int(res[31]) + (sum >> 8) - res[31] = byte(sum & 0xff) - - if (sum >> 8) != 0 { - panic("sum does not fit in 256-bit int") - } - return -} - -// Child derives a child xpub based on `selector` string. -// The corresponding child xprv can be derived from the parent xprv -// using non-hardened derivation: `parentxprv.Child(sel, false)`. -func (xpub XPub) Child(sel []byte) (res XPub) { - h := hmac.New(sha512.New, xpub[32:]) - h.Write([]byte{'N'}) - h.Write(xpub[:32]) - h.Write(sel) - h.Sum(res[:0]) - - pruneIntermediateScalar(res[:32]) - - var ( - f ecmath.Scalar - F ecmath.Point - ) - copy(f[:], res[:32]) - F.ScMulBase(&f) - - var ( - pubkey [32]byte - P ecmath.Point - ) - copy(pubkey[:], xpub[:32]) - _, ok := P.Decode(pubkey) - if !ok { - panic("XPub should have been validated on initialization") - } - - P.Add(&P, &F) - pubkey = P.Encode() - copy(res[:32], pubkey[:]) - - return -} - -// Derive generates a child xprv by recursively deriving -// non-hardened child xprvs over the list of selectors: -// `Derive([a,b,c,...]) == Child(a).Child(b).Child(c)...` -func (xprv XPrv) Derive(path [][]byte) XPrv { - res := xprv - for _, p := range path { - res = res.Child(p, false) - } - return res -} - -// Derive generates a child xpub by recursively deriving -// non-hardened child xpubs over the list of selectors: -// `Derive([a,b,c,...]) == Child(a).Child(b).Child(c)...` -func (xpub XPub) Derive(path [][]byte) XPub { - res := xpub - for _, p := range path { - res = res.Child(p) - } - return res -} - -// Sign creates an EdDSA signature using expanded private key -// derived from the xprv. -func (xprv XPrv) Sign(msg []byte) []byte { - return Ed25519InnerSign(xprv.ExpandedPrivateKey(), msg) -} - -// Verify checks an EdDSA signature using public key -// extracted from the first 32 bytes of the xpub. -func (xpub XPub) Verify(msg []byte, sig []byte) bool { - return ed25519.Verify(xpub.PublicKey(), msg, sig) -} - -// ExpandedPrivateKey generates a 64-byte key where -// the first half is the scalar copied from xprv, -// and the second half is the `prefix` is generated via PRF -// from the xprv. -func (xprv XPrv) ExpandedPrivateKey() ExpandedPrivateKey { - var res [64]byte - h := hmac.New(sha512.New, []byte{'E', 'x', 'p', 'a', 'n', 'd'}) - h.Write(xprv[:]) - h.Sum(res[:0]) - copy(res[:32], xprv[:32]) - return res[:] -} - -// PublicKey extracts the ed25519 public key from an xpub. -func (xpub XPub) PublicKey() ed25519.PublicKey { - return ed25519.PublicKey(xpub[:32]) -} - -// s must be >= 32 bytes long and gets rewritten in place. -// This is NOT the same pruning as in Ed25519: it additionally clears the third -// highest bit to ensure subkeys do not overflow the second highest bit. -func pruneRootScalar(s []byte) { - s[0] &= 248 - s[31] &= 31 // clear top 3 bits - s[31] |= 64 // set second highest bit -} - -// Clears lowest 3 bits and highest 23 bits of `f`. -func pruneIntermediateScalar(f []byte) { - f[0] &= 248 // clear bottom 3 bits - f[29] &= 1 // clear 7 high bits - f[30] = 0 // clear 8 bits - f[31] = 0 // clear 8 bits -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go deleted file mode 100644 index da3a0023..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/chainkd_test.go +++ /dev/null @@ -1,279 +0,0 @@ -package chainkd - -import ( - "bytes" - "encoding/hex" - "fmt" - "reflect" - "testing" -) - -func TestVectors1(t *testing.T) { - root := RootXPrv([]byte{0x01, 0x02, 0x03}) - - verifyTestVector(t, "Root(010203).xprv", root.hex(), - "50f8c532ce6f088de65c2c1fbc27b491509373fab356eba300dfa7cc587b07483bc9e0d93228549c6888d3f68ad664b92c38f5ea8ca07181c1410949c02d3146") - verifyTestVector(t, "Root(010203).xpub", root.XPub().hex(), - "e11f321ffef364d01c2df2389e61091b15dab2e8eee87cb4c053fa65ed2812993bc9e0d93228549c6888d3f68ad664b92c38f5ea8ca07181c1410949c02d3146") - - verifyTestVector(t, "Root(010203)/010203(H).xprv", root.Child([]byte{0x01, 0x02, 0x03}, true).hex(), - "6023c8e7633a9353a59bd930ea6dc397e400b1088b86b4a15d8de8567554df5574274bc1a0bd93b4494cb68e45c5ec5aefc1eed4d0c3bfd53b0b4e679ce52028") - verifyTestVector(t, "Root(010203)/010203(H).xpub", root.Child([]byte{0x01, 0x02, 0x03}, true).XPub().hex(), - "eabebab4184c63f8df07efe31fb588a0ae222318087458b4936bf0b0feab015074274bc1a0bd93b4494cb68e45c5ec5aefc1eed4d0c3bfd53b0b4e679ce52028") - - verifyTestVector(t, "Root(010203)/010203(N).xprv", root.Child([]byte{0x01, 0x02, 0x03}, false).hex(), - "705afd25a0e242b7333105d77cbb0ec15e667154916bbed5084c355dba7b0748b0faca523928f42e685ee6deb0cb3d41a09617783c87e9a161a04f2207ad4d2f") - verifyTestVector(t, "Root(010203)/010203(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, false).XPub().hex(), - "c0bbd87142e7bf90abfbb3d0cccc210c6d7eb3f912c35f205302c86ae9ef6eefb0faca523928f42e685ee6deb0cb3d41a09617783c87e9a161a04f2207ad4d2f") - verifyTestVector(t, "Root(010203)/010203(N).xpub", root.XPub().Child([]byte{0x01, 0x02, 0x03}).hex(), - "c0bbd87142e7bf90abfbb3d0cccc210c6d7eb3f912c35f205302c86ae9ef6eefb0faca523928f42e685ee6deb0cb3d41a09617783c87e9a161a04f2207ad4d2f") - - verifyTestVector(t, "Root(010203)/010203(H)/“”(N).xprv", root.Child([]byte{0x01, 0x02, 0x03}, true).Child([]byte{}, false).hex(), - "7023f9877813348ca8e67b29d551baf98a43cfb76cdff538f3ff97074a55df5560e3aa7fb600f61a84317a981dc9d1f7e8df2e8a3f8b544a21d2404e0b4e480a") - verifyTestVector(t, "Root(010203)/010203(H)/“”(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, true).Child([]byte{}, false).XPub().hex(), - "4e44c9ab8a45b9d1c3daab5c09d73b01209220ea704808f04feaa3614c7c7ba760e3aa7fb600f61a84317a981dc9d1f7e8df2e8a3f8b544a21d2404e0b4e480a") - verifyTestVector(t, "Root(010203)/010203(H)/“”(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, true).XPub().Child([]byte{}).hex(), - "4e44c9ab8a45b9d1c3daab5c09d73b01209220ea704808f04feaa3614c7c7ba760e3aa7fb600f61a84317a981dc9d1f7e8df2e8a3f8b544a21d2404e0b4e480a") - - verifyTestVector(t, "Root(010203)/010203(N)/“”(H).xprv", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, true).hex(), - "90b60b007e866dacc4b1f844089a805ffd78a295f5b0544034116ace354c58523410b1e6a3c557ca90c322f6ff4b5e547242965eaed8c34767765f0e05ed0e4f") - verifyTestVector(t, "Root(010203)/010203(N)/“”(H).xpub", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, true).XPub().hex(), - "ca97ec34ef30aa08ebd19b9848b11ebadf9c0ad3a0be6b11d33d9558573aca633410b1e6a3c557ca90c322f6ff4b5e547242965eaed8c34767765f0e05ed0e4f") - - verifyTestVector(t, "Root(010203)/010203(N)/“”(N).xprv", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, false).hex(), - "d81ba3ab554a7d09bfd8bda5089363399b7f4b19d4f1806ca0c35feabf7b074856648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b") - verifyTestVector(t, "Root(010203)/010203(N)/“”(N).xpub", root.Child([]byte{0x01, 0x02, 0x03}, false).Child([]byte{}, false).XPub().hex(), - "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b") - verifyTestVector(t, "Root(010203)/010203(N)/“”(N).xpub", root.XPub().Child([]byte{0x01, 0x02, 0x03}).Child([]byte{}).hex(), - "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b") - - verifyTestVector(t, "Root(010203)/010203(N)/“”(N).xprv", root.Derive([][]byte{[]byte{0x01, 0x02, 0x03}, []byte{}}).hex(), - "d81ba3ab554a7d09bfd8bda5089363399b7f4b19d4f1806ca0c35feabf7b074856648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b") - verifyTestVector(t, "Root(010203)/010203(N)/“”(N).xprv", root.Derive([][]byte{[]byte{0x01, 0x02, 0x03}, []byte{}}).XPub().hex(), - "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b") - verifyTestVector(t, "Root(010203)/010203(N)/“”(N).xpub", root.XPub().Derive([][]byte{[]byte{0x01, 0x02, 0x03}, []byte{}}).hex(), - "28279bcb06aee9e5c0302f4e1db879ac7f5444ec07266a736dd571c21961427b56648f55e21bec3aa5df0bce0236aea88a4cc5c395c896df63676f095154bb7b") -} - -func TestVectors2(t *testing.T) { - seed, _ := hex.DecodeString("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542") - root := RootXPrv(seed) - - verifyTestVector(t, "Root(fffcf9...).xprv", root.hex(), - "0031615bdf7906a19360f08029354d12eaaedc9046806aefd672e3b93b024e495a95ba63cf47903eb742cd1843a5252118f24c0c496e9213bd42de70f649a798") - verifyTestVector(t, "Root(fffcf9...).xpub", root.XPub().hex(), - "f153ef65bbfaec3c8fd4fceb0510529048094093cf7c14970013282973e117545a95ba63cf47903eb742cd1843a5252118f24c0c496e9213bd42de70f649a798") - - verifyTestVector(t, "Root(fffcf9...)/0(N).xprv", root.Child([]byte{0x00}, false).hex(), - "883e65e6e86499bdd170c14d67e62359dd020dd63056a75ff75983a682024e49e8cc52d8e74c5dfd75b0b326c8c97ca7397b7f954ad0b655b8848bfac666f09f") - verifyTestVector(t, "Root(fffcf9...)/0(N).xpub", root.Child([]byte{0x00}, false).XPub().hex(), - "f48b7e641d119b8ddeaf97aca104ee6e6a780ab550d40534005443550ef7e7d8e8cc52d8e74c5dfd75b0b326c8c97ca7397b7f954ad0b655b8848bfac666f09f") - verifyTestVector(t, "Root(fffcf9...)/0(N).xpub", root.XPub().Child([]byte{0x00}).hex(), - "f48b7e641d119b8ddeaf97aca104ee6e6a780ab550d40534005443550ef7e7d8e8cc52d8e74c5dfd75b0b326c8c97ca7397b7f954ad0b655b8848bfac666f09f") - - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).hex(), - "5048fa4498bf65e2b10d26e6c99cc43556ecfebf8b9fddf8bd2150ba29d63154044ef557a3aa4cb6ae8b61e87cb977a929bc4a170e4faafc2661231f5f3f78e8") - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).XPub().hex(), - "a8555c5ee5054ad03c6c6661968d66768fa081103bf576ea63a26c00ca7eab69044ef557a3aa4cb6ae8b61e87cb977a929bc4a170e4faafc2661231f5f3f78e8") - - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).hex(), - "480f6aa25f7c9f4a569896f06614303a697f00ee8d240c6277605d44e0d63154174c386ad6ae01e54acd7bb422243c6055058f4231e250050134283a76de8eff") - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).XPub().hex(), - "7385ab0b06eacc226c8035bab1ff9bc6972c7700d1caede26fe2b4d57b208bd0174c386ad6ae01e54acd7bb422243c6055058f4231e250050134283a76de8eff") - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).XPub().Child([]byte{0x01}).hex(), - "7385ab0b06eacc226c8035bab1ff9bc6972c7700d1caede26fe2b4d57b208bd0174c386ad6ae01e54acd7bb422243c6055058f4231e250050134283a76de8eff") - - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).hex(), - "386014c6dfeb8dadf62f0e5acacfbf7965d5746c8b9011df155a31df7be0fb59986c923d979d89310acd82171dbaa7b73b20b2033ac6819d7f309212ff3fbabd") - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).XPub().hex(), - "9f66aa8019427a825dd72a13ce982454d99f221c8d4874db59f52c2945cbcabd986c923d979d89310acd82171dbaa7b73b20b2033ac6819d7f309212ff3fbabd") - - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H)/2(N).xprv", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).Child([]byte{0x02}, false).hex(), - "08c3772f5c0eee42f40d00f4faff9e4c84e5db3c4e7f28ecb446945a1de1fb59ef9d0a352f3252ea673e8b6bd31ac97218e019e845bdc545c268cd52f7af3f5d") - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H)/2(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).Child([]byte{0x02}, false).XPub().hex(), - "67388f59a7b62644c3c6148575770e56969d77244530263bc9659b8563d7ff81ef9d0a352f3252ea673e8b6bd31ac97218e019e845bdc545c268cd52f7af3f5d") - verifyTestVector(t, "Root(fffcf9...)/0(N)/2147483647(H)/1(N)/2147483646(H)/2(N).xpub", root.Child([]byte{0x00}, false).Child([]byte{0xff, 0xff, 0xff, 0x7f}, true).Child([]byte{0x01}, false).Child([]byte{0xfe, 0xff, 0xff, 0x7f}, true).XPub().Child([]byte{0x02}).hex(), - "67388f59a7b62644c3c6148575770e56969d77244530263bc9659b8563d7ff81ef9d0a352f3252ea673e8b6bd31ac97218e019e845bdc545c268cd52f7af3f5d") -} - -func TestExpandedPrivateKey(t *testing.T) { - root := RootXPrv([]byte{0xca, 0xfe}) - verifyTestVector(t, "Root(cafe).xprv", root.hex(), - "a0cde08fd2ea06e16dd5d21e64ca0609fa1d719b79fed4245a5b8ada0242464cebbc2b9e1e989aca72d9766efd9b63ebcfc968027ef27cb786babb7897f9248a") - verifyTestVector(t, "Root(cafe).xprv.expandedkey", root.ExpandedPrivateKey().hex(), - "a0cde08fd2ea06e16dd5d21e64ca0609fa1d719b79fed4245a5b8ada0242464c1437c8234e21e43eb9c79df0ce370dc82d4c7a952ef317e716b0762146bb61a0") - - child := root.Child([]byte{0xbe, 0xef}, false) - verifyTestVector(t, "Root(cafe)/beef.xprv", child.hex(), - "684df1aa25e0425c48c76392f42abc87a359ef2a2328ad31e53318128242464cf85916f4261b03f71afa64ad4bc2be4f335f15e433e815b45bbd15fcc7d1a864") - verifyTestVector(t, "Root(cafe)/beef.xprv.expandedkey", child.ExpandedPrivateKey().hex(), - "684df1aa25e0425c48c76392f42abc87a359ef2a2328ad31e53318128242464c0abdda57709eff7e9c60e0d4199065a6941122566c0a30ffa3ce0449d0582278") -} - -func TestChildKeys(t *testing.T) { - rootXPrv, err := NewXPrv(nil) - if err != nil { - t.Fatal(err) - } - rootXPub := rootXPrv.XPub() - - msg := []byte("In the face of ignorance and resistance I wrote financial systems into existence") - - sig := rootXPrv.Sign(msg) - doverify(t, rootXPub, msg, sig, "root xpub", "root xprv") - - sel := []byte{1, 2, 3} - dprv := rootXPrv.Child(sel, false) - dpub := rootXPub.Child(sel) - - sig = dprv.Sign(msg) - doverify(t, dpub, msg, sig, "derived xpub", "derived xprv") - - dpub = dprv.XPub() - doverify(t, dpub, msg, sig, "xpub from derived xprv", "derived xprv") - - dprv = dprv.Child(sel, false) - sig = dprv.Sign(msg) - dpub = dpub.Child(sel) - doverify(t, dpub, msg, sig, "double-derived xpub", "double-derived xprv") - - for i := byte(0); i < 10; i++ { - sel := []byte{i} - - // Non-hardened children - dprv := rootXPrv.Child(sel, false) - if reflect.DeepEqual(dprv, rootXPrv) { - t.Errorf("derived private key %d is the same as the root", i) - } - dpub1 := rootXPub.Child(sel) - if reflect.DeepEqual(dpub1, rootXPub) { - t.Errorf("derived public key %d is the same as the root", i) - } - sig := dprv.Sign(msg) - doverify(t, dpub1, msg, sig, fmt.Sprintf("derived pubkey (%d)", i), "derived xprv") - - for j := byte(0); j < 10; j++ { - sel2 := []byte{j} - ddprv := dprv.Child(sel2, false) - if reflect.DeepEqual(ddprv, dprv) { - t.Errorf("rootXPrv.Child(%d).Child(%d) is the same as its parent", i, j) - } - ddpub1 := dpub1.Child(sel2) - if reflect.DeepEqual(ddpub1, dpub1) { - t.Errorf("rootXPub.Child(%d).Child(%d) is the same as its parent", i, j) - } - sig = ddprv.Sign(msg) - doverify(t, ddpub1, msg, sig, fmt.Sprintf("double-derived pubkey (%d, %d)", i, j), "double-derived xprv") - } - - // Hardened children - hdprv := rootXPrv.Child(sel, true) - if reflect.DeepEqual(hdprv, rootXPrv) { - t.Errorf("derived hardened privkey %d is the same as the root", i) - } - if reflect.DeepEqual(hdprv, dprv) { - t.Errorf("derived hardened privkey %d is the same as the unhardened derived privkey", i) - } - hdpub := hdprv.XPub() - if reflect.DeepEqual(hdpub, dpub1) { - t.Errorf("pubkey of hardened child %d is the same as pubkey of non-hardened child", i) - } - sig = hdprv.Sign(msg) - doverify(t, hdpub, msg, sig, fmt.Sprintf("pubkey of hardened child %d", i), "derived xprv") - } -} - -func doverify(t *testing.T, xpub XPub, msg, sig []byte, xpubdesc, xprvdesc string) { - if !xpub.Verify(msg, sig) { - t.Errorf("%s cannot verify signature from %s", xpubdesc, xprvdesc) - } - - for i := 0; i < 32; i++ { - for mask := byte(1); mask != 0; mask <<= 1 { - xpub[i] ^= mask - if xpub.Verify(msg, sig) { - t.Fatalf("altered %s should not verify signature from %s", xpubdesc, xprvdesc) - } - xpub[i] ^= mask - } - } - - // permute only 1/7th of the bits to make tests run faster - for i := 0; i < len(msg); i += 7 { - for mask := byte(1); mask != 0; mask <<= 1 { - msg[i] ^= mask - if xpub.Verify(msg, sig) { - t.Fatalf("%s should not verify signature from %s against altered message", xpubdesc, xprvdesc) - } - msg[i] ^= mask - } - } - - for i := 0; i < len(sig); i++ { - for mask := byte(1); mask != 0; mask <<= 1 { - sig[i] ^= mask - if xpub.Verify(msg, sig) { - t.Fatalf("%s should not verify altered signature from %s", xpubdesc, xprvdesc) - } - sig[i] ^= mask - } - } -} - -func verifyTestVector(t *testing.T, message string, got []byte, want string) { - if !bytes.Equal(got, []byte(want)) { - t.Errorf("ChainKD Test Vector: %s:\n got = %s\n want = %s", message, got, want) - } -} - -func (xpub XPub) hex() []byte { - s, _ := xpub.MarshalText() - return s -} - -func (xprv XPrv) hex() []byte { - s, _ := xprv.MarshalText() - return s -} - -func (key ExpandedPrivateKey) hex() []byte { - hexBytes := make([]byte, hex.EncodedLen(len(key[:]))) - hex.Encode(hexBytes, key[:]) - return hexBytes -} - -func TestBits(t *testing.T) { - for i := 0; i < 256; i++ { - root := RootXPrv([]byte{byte(i)}) - - rootbytes := root.Bytes() - if rootbytes[0]&7 != 0 { - t.Errorf("ChainKD root key must have low 3 bits set to '000'") - } - if (rootbytes[31] >> 5) != 2 { - t.Errorf("ChainKD root key must have high 3 bits set to '010'") - } - - xprv := root - for d := 0; d < 1000; d++ { // at least after 1000 levels necessary bits are survived - xprv = xprv.Child([]byte("child"), false) - xprvbytes := xprv.Bytes() - - if xprvbytes[0]&7 != 0 { - t.Errorf("ChainKD non-hardened child key must have low 3 bits set to '000'") - } - if xprvbytes[31]>>6 != 1 { - t.Errorf("ChainKD non-hardened child key must have high 2 bits set to '10' (LE)") - } - - hchild := xprv.Child([]byte("hardened child"), true) - hchildbytes := hchild.Bytes() - if hchildbytes[0]&7 != 0 { - t.Errorf("ChainKD hardened key must have low 3 bits set to '000'") - } - if (hchildbytes[31] >> 5) != 2 { - t.Errorf("ChainKD hardened key must have high 3 bits set to '010'") - } - } - } -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go deleted file mode 100644 index fbc5db13..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key.go +++ /dev/null @@ -1,102 +0,0 @@ -// Package chainkd This is an extension to ed25519.Sign that is compatible with NaCl `crypto_sign` -// function taking 64-byte expanded private key (where the left part is a pre-multiplied -// scalar and the right part is "prefix" used for generating a nonce). -// -// Invariants: -// 1) Expanded(PrivateKey).Sign() == PrivateKey.Sign() -// 2) InnerSign(Expanded(PrivateKey)) == Sign(PrivateKey) -package chainkd - -import ( - "crypto" - "crypto/sha512" - "errors" - "io" - "strconv" - - "github.com/bytom/crypto/ed25519" - "github.com/bytom/crypto/ed25519/internal/edwards25519" -) - -const ( - // ExpandedPrivateKeySize is the size, in bytes, of a "secret key" as defined in NaCl. - ExpandedPrivateKeySize = 64 -) - -// ExpandedPrivateKey is the type of NaCl secret keys. It implements crypto.Signer. -type ExpandedPrivateKey []byte - -// Public returns the PublicKey corresponding to secret key. -func (priv ExpandedPrivateKey) Public() crypto.PublicKey { - var A edwards25519.ExtendedGroupElement - var scalar [32]byte - copy(scalar[:], priv[:32]) - edwards25519.GeScalarMultBase(&A, &scalar) - var publicKeyBytes [32]byte - A.ToBytes(&publicKeyBytes) - return ed25519.PublicKey(publicKeyBytes[:]) -} - -func expandEd25519PrivateKey(priv ed25519.PrivateKey) ExpandedPrivateKey { - digest := sha512.Sum512(priv[:32]) - digest[0] &= 248 - digest[31] &= 127 - digest[31] |= 64 - return ExpandedPrivateKey(digest[:]) -} - -// Sign signs the given message with expanded private key. -// Ed25519 performs two passes over messages to be signed and therefore cannot -// handle pre-hashed messages. Thus opts.HashFunc() must return zero to -// indicate the message hasn't been hashed. This can be achieved by passing -// crypto.Hash(0) as the value for opts. -func (priv ExpandedPrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) { - if opts.HashFunc() != crypto.Hash(0) { - return nil, errors.New("ed25519: cannot sign hashed message") - } - - return Ed25519InnerSign(priv, message), nil -} - -// Ed25519InnerSign signs the message with expanded private key and returns a signature. -// It will panic if len(privateKey) is not ExpandedPrivateKeySize. -func Ed25519InnerSign(privateKey ExpandedPrivateKey, message []byte) []byte { - if l := len(privateKey); l != ExpandedPrivateKeySize { - panic("ed25519: bad private key length: " + strconv.Itoa(l)) - } - - var messageDigest, hramDigest [64]byte - - h := sha512.New() - h.Write(privateKey[32:]) - h.Write(message) - h.Sum(messageDigest[:0]) - - var messageDigestReduced [32]byte - edwards25519.ScReduce(&messageDigestReduced, &messageDigest) - var R edwards25519.ExtendedGroupElement - edwards25519.GeScalarMultBase(&R, &messageDigestReduced) - - var encodedR [32]byte - R.ToBytes(&encodedR) - - publicKey := privateKey.Public().(ed25519.PublicKey) - h.Reset() - h.Write(encodedR[:]) - h.Write(publicKey[:]) - h.Write(message) - h.Sum(hramDigest[:0]) - var hramDigestReduced [32]byte - edwards25519.ScReduce(&hramDigestReduced, &hramDigest) - - var sk [32]byte - copy(sk[:], privateKey[:32]) - var s [32]byte - edwards25519.ScMulAdd(&s, &hramDigestReduced, &sk, &messageDigestReduced) - - signature := make([]byte, ed25519.SignatureSize) - copy(signature[:], encodedR[:]) - copy(signature[32:], s[:]) - - return signature -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go deleted file mode 100644 index 355ce1f5..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/expanded_key_test.go +++ /dev/null @@ -1,97 +0,0 @@ -package chainkd - -import ( - "bytes" - "crypto" - "testing" - - "github.com/bytom/crypto/ed25519" -) - -// Testing basic InnerSign+Verify and the invariants: -// 1) Expand(PrivateKey).Sign() == PrivateKey.Sign() -// 2) InnerSign(Expand(PrivateKey)) == Sign(PrivateKey) - -type zeroReader struct{} - -func (zeroReader) Read(buf []byte) (int, error) { - for i := range buf { - buf[i] = 0 - } - return len(buf), nil -} - -func TestInnerSignVerify(t *testing.T) { - var zero zeroReader - public, private, _ := ed25519.GenerateKey(zero) - expprivate := expandEd25519PrivateKey(private) - - message := []byte("test message") - sig := Ed25519InnerSign(expprivate, message) - if !ed25519.Verify(public, message, sig) { - t.Errorf("valid signature rejected") - } - - wrongMessage := []byte("wrong message") - if ed25519.Verify(public, wrongMessage, sig) { - t.Errorf("signature of different message accepted") - } -} - -func TestExpandedKeySignerInterfaceInvariant(t *testing.T) { - var zero zeroReader - public, private, _ := ed25519.GenerateKey(zero) - expprivate := expandEd25519PrivateKey(private) - - signer1 := crypto.Signer(private) - signer2 := crypto.Signer(expprivate) - - publicInterface1 := signer1.Public() - publicInterface2 := signer2.Public() - public1, ok := publicInterface1.(ed25519.PublicKey) - if !ok { - t.Fatalf("expected PublicKey from Public() but got %T", publicInterface1) - } - public2, ok := publicInterface2.(ed25519.PublicKey) - if !ok { - t.Fatalf("expected PublicKey from Public() but got %T", publicInterface2) - } - - if !bytes.Equal(public, public1) { - t.Errorf("public keys do not match: original:%x vs Public():%x", public, public1) - } - if !bytes.Equal(public, public2) { - t.Errorf("public keys do not match: original:%x vs Public():%x", public, public2) - } - - message := []byte("message") - var noHash crypto.Hash - signature1, err := signer1.Sign(zero, message, noHash) - if err != nil { - t.Fatalf("error from Sign(): %s", err) - } - signature2, err := signer2.Sign(zero, message, noHash) - if err != nil { - t.Fatalf("error from Sign(): %s", err) - } - if !bytes.Equal(signature1[:], signature2[:]) { - t.Errorf(".Sign() should return identical signatures for Signer(privkey) and Signer(Expand(privkey))") - } - if !ed25519.Verify(public, message, signature1) { - t.Errorf("Verify failed on signature from Sign()") - } -} - -func TestInnerSignInvariant(t *testing.T) { - var zero zeroReader - _, private, _ := ed25519.GenerateKey(zero) - expprivate := expandEd25519PrivateKey(private) - - message := []byte("test message") - sig1 := ed25519.Sign(private, message) - sig2 := Ed25519InnerSign(expprivate, message) - - if !bytes.Equal(sig1[:], sig2[:]) { - t.Errorf("InnerSign(Expand(privkey)) must return the same as Sign(privkey)") - } -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go deleted file mode 100644 index 81b435ad..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go +++ /dev/null @@ -1,60 +0,0 @@ -package chainkd - -import ( - "encoding/hex" - "errors" -) - -const ( - extendedPublicKeySize = 64 - extendedPrivateKeySize = 64 -) - -var ( - ErrBadKeyLen = errors.New("bad key length") - ErrBadKeyStr = errors.New("bad key string") -) - -func (xpub XPub) MarshalText() ([]byte, error) { - hexBytes := make([]byte, hex.EncodedLen(len(xpub.Bytes()))) - hex.Encode(hexBytes, xpub.Bytes()) - return hexBytes, nil -} - -func (xpub XPub) Bytes() []byte { - return xpub[:] -} - -func (xprv XPrv) MarshalText() ([]byte, error) { - hexBytes := make([]byte, hex.EncodedLen(len(xprv.Bytes()))) - hex.Encode(hexBytes, xprv.Bytes()) - return hexBytes, nil -} - -func (xprv XPrv) Bytes() []byte { - return xprv[:] -} - -func (xpub *XPub) UnmarshalText(inp []byte) error { - if len(inp) != 2*extendedPublicKeySize { - return ErrBadKeyStr - } - _, err := hex.Decode(xpub[:], inp) - return err -} - -func (xpub XPub) String() string { - return hex.EncodeToString(xpub.Bytes()) -} - -func (xprv *XPrv) UnmarshalText(inp []byte) error { - if len(inp) != 2*extendedPrivateKeySize { - return ErrBadKeyStr - } - _, err := hex.Decode(xprv[:], inp) - return err -} - -func (xprv XPrv) String() string { - return hex.EncodeToString(xprv.Bytes()) -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go deleted file mode 100644 index 142549d4..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize_test.go +++ /dev/null @@ -1,37 +0,0 @@ -package chainkd - -import ( - "bytes" - "encoding/hex" - "encoding/json" - "reflect" - "testing" -) - -func TestMarshalingFuncs(t *testing.T) { - xprv, err := NewXPrv(nil) - if err != nil { - t.Fatal(err) - } - - want := make([]byte, hex.EncodedLen(len(xprv.Bytes()))) - hex.Encode(want, xprv.Bytes()) - - got, err := json.Marshal(xprv) - if err != nil { - t.Fatal(err) - } - // First and last bytes are " - if !reflect.DeepEqual(want, got[1:len(got)-1]) { - t.Errorf("marshaling error: want = %+v, got = %+v", want, got) - } - - secXprv := new(XPrv) - err = json.Unmarshal(got, &secXprv) - if err != nil { - t.Fatal(err) - } - if !bytes.Equal(xprv[:], secXprv[:]) { - t.Errorf("unmarshaling error: want = %+v, got = %+v", xprv, secXprv) - } -} diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/util.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/util.go deleted file mode 100644 index 194b20e0..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/chainkd/util.go +++ /dev/null @@ -1,34 +0,0 @@ -package chainkd - -import ( - "io" - - "github.com/bytom/crypto/ed25519" -) - -// Utility functions - -func NewXKeys(r io.Reader) (xprv XPrv, xpub XPub, err error) { - xprv, err = NewXPrv(r) - if err != nil { - return - } - return xprv, xprv.XPub(), nil -} - -func XPubKeys(xpubs []XPub) []ed25519.PublicKey { - res := make([]ed25519.PublicKey, 0, len(xpubs)) - for _, xpub := range xpubs { - res = append(res, xpub.PublicKey()) - } - return res -} - -func DeriveXPubs(xpubs []XPub, path [][]byte) []XPub { - res := make([]XPub, 0, len(xpubs)) - for _, xpub := range xpubs { - d := xpub.Derive(path) - res = append(res, d) - } - return res -} diff --git a/vendor/github.com/bytom/crypto/ed25519/ecmath/point.go b/vendor/github.com/bytom/crypto/ed25519/ecmath/point.go deleted file mode 100644 index 9ec0d75b..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/ecmath/point.go +++ /dev/null @@ -1,91 +0,0 @@ -package ecmath - -import ( - "crypto/subtle" - - "github.com/bytom/crypto/ed25519/internal/edwards25519" -) - -// Point is a point on the ed25519 curve. -type Point edwards25519.ExtendedGroupElement - -// ZeroPoint is the zero point on the ed25519 curve (not the zero value of Point). -var ZeroPoint Point - -// Add adds the points in x and y, storing the result in z and -// returning that. Any or all of x, y, and z may be the same pointers. -func (z *Point) Add(x, y *Point) *Point { - var y2 edwards25519.CachedGroupElement - (*edwards25519.ExtendedGroupElement)(y).ToCached(&y2) - - var z2 edwards25519.CompletedGroupElement - edwards25519.GeAdd(&z2, (*edwards25519.ExtendedGroupElement)(x), &y2) - - z2.ToExtended((*edwards25519.ExtendedGroupElement)(z)) - return z -} - -// Sub subtracts y from x, storing the result in z and -// returning that. Any or all of x, y, and z may be the same pointers. -func (z *Point) Sub(x, y *Point) *Point { - var y2 edwards25519.CachedGroupElement - (*edwards25519.ExtendedGroupElement)(y).ToCached(&y2) - - var z2 edwards25519.CompletedGroupElement - edwards25519.GeSub(&z2, (*edwards25519.ExtendedGroupElement)(x), &y2) - - z2.ToExtended((*edwards25519.ExtendedGroupElement)(z)) - return z -} - -// ScMul multiplies the EC point x by the scalar y, placing the result -// in z and returning that. X and z may be the same pointer. -func (z *Point) ScMul(x *Point, y *Scalar) *Point { - return z.ScMulAdd(x, y, &Zero) -} - -// ScMulBase multiplies the ed25519 base point by x and places the -// result in z, returning that. -func (z *Point) ScMulBase(x *Scalar) *Point { - edwards25519.GeScalarMultBase((*edwards25519.ExtendedGroupElement)(z), (*[32]byte)(x)) - return z -} - -// ScMulAdd computes xa+yB, where B is the ed25519 base point, and -// places the result in z, returning that. -func (z *Point) ScMulAdd(a *Point, x, y *Scalar) *Point { - // TODO: replace with constant-time implementation to avoid - // sidechannel attacks - - var p edwards25519.ProjectiveGroupElement - edwards25519.GeDoubleScalarMultVartime(&p, (*[32]byte)(x), (*edwards25519.ExtendedGroupElement)(a), (*[32]byte)(y)) - - var buf [32]byte - p.ToBytes(&buf) - // TODO(bobg): double-check that it's OK to ignore the return value - // from ExtendedGroupElement.FromBytes here. (It's a bool indicating - // that its input represented a legal value.) - (*edwards25519.ExtendedGroupElement)(z).FromBytes(&buf) - return z -} - -func (z *Point) Encode() [32]byte { - var e [32]byte - (*edwards25519.ExtendedGroupElement)(z).ToBytes(&e) - return e -} - -func (z *Point) Decode(e [32]byte) (*Point, bool) { - ok := (*edwards25519.ExtendedGroupElement)(z).FromBytes(&e) - return z, ok -} - -func (z *Point) ConstTimeEqual(x *Point) bool { - xe := x.Encode() - ze := z.Encode() - return subtle.ConstantTimeCompare(xe[:], ze[:]) == 1 -} - -func init() { - (*edwards25519.ExtendedGroupElement)(&ZeroPoint).Zero() -} diff --git a/vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go b/vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go deleted file mode 100644 index 4de539a6..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/ecmath/point_test.go +++ /dev/null @@ -1,44 +0,0 @@ -package ecmath - -import "testing" - -// base is the ed25519 base point -var base Point - -func init() { - base.ScMulBase(&One) -} - -func TestBasePointArith(t *testing.T) { - var base1 Point - base1.ScMul(&base, &One) - if !base.ConstTimeEqual(&base1) { - ebase := base.Encode() - ebase1 := base1.Encode() - t.Errorf("base [%x] != 1*base [%x]", ebase[:], ebase1[:]) - } - - Two := One - Two.Add(&Two, &One) - - base2a := base - base2a.Add(&base2a, &base) - - base2b := base - base2b.ScMul(&base2b, &Two) - - if !base2a.ConstTimeEqual(&base2b) { - ebase2a := base2a.Encode() - ebase2b := base2b.Encode() - t.Errorf("base+base [%x] != 2*base [%x] (1)", ebase2a[:], ebase2b[:]) - } - - var base2c Point - base2c.ScMulBase(&Two) - - if !base2a.ConstTimeEqual(&base2c) { - ebase2a := base2a.Encode() - ebase2c := base2c.Encode() - t.Errorf("base+base [%x] != 2*base [%x] (2)", ebase2a[:], ebase2c[:]) - } -} diff --git a/vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go b/vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go deleted file mode 100644 index 651f2caa..00000000 --- a/vendor/github.com/bytom/crypto/ed25519/ecmath/scalar.go +++ /dev/null @@ -1,78 +0,0 @@ -package ecmath - -import ( - "crypto/subtle" - - "github.com/bytom/crypto/ed25519/internal/edwards25519" -) - -// Scalar is a 256-bit little-endian scalar. -type Scalar [32]byte - -var ( - // Zero is the number 0. - Zero Scalar - - // One is the number 1. - One = Scalar{1} - - // NegOne is the number -1 mod L - NegOne = Scalar{ - 0xec, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, - 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, - } - - // L is the subgroup order: - // 2^252 + 27742317777372353535851937790883648493 - L = Scalar{ - 0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, - 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, - } -) - -// Add computes x+y (mod L) and places the result in z, returning -// that. Any or all of x, y, and z may be the same pointer. -func (z *Scalar) Add(x, y *Scalar) *Scalar { - return z.MulAdd(x, &One, y) -} - -// Sub computes x-y (mod L) and places the result in z, returning -// that. Any or all of x, y, and z may be the same pointer. -func (z *Scalar) Sub(x, y *Scalar) *Scalar { - return z.MulAdd(y, &NegOne, x) -} - -// Neg negates x (mod L) and places the result in z, returning that. X -// and z may be the same pointer. -func (z *Scalar) Neg(x *Scalar) *Scalar { - return z.MulAdd(x, &NegOne, &Zero) -} - -// MulAdd computes ab+c (mod L) and places the result in z, returning -// that. Any or all of the pointers may be the same. -func (z *Scalar) MulAdd(a, b, c *Scalar) *Scalar { - edwards25519.ScMulAdd((*[32]byte)(z), (*[32]byte)(a), (*[32]byte)(b), (*[32]byte)(c)) - return z -} - -func (z *Scalar) Equal(x *Scalar) bool { - return subtle.ConstantTimeCompare(x[:], z[:]) == 1 -} - -// Prune performs the pruning operation in-place. -func (z *Scalar) Prune() { - z[0] &= 248 - z[31] &= 127 - z[31] |= 64 -} - -// Reduce takes a 512-bit scalar and reduces it mod L, placing the -// result in z and returning that. -func (z *Scalar) Reduce(x *[64]byte) *Scalar { - edwards25519.ScReduce((*[32]byte)(z), x) - return z -} diff --git a/vendor/github.com/bytom/crypto/randentropy/rand_entropy.go b/vendor/github.com/bytom/crypto/randentropy/rand_entropy.go deleted file mode 100644 index 71ce1cda..00000000 --- a/vendor/github.com/bytom/crypto/randentropy/rand_entropy.go +++ /dev/null @@ -1,26 +0,0 @@ -package randentropy - -import ( - crand "crypto/rand" - "io" -) - -var Reader io.Reader = &randEntropy{} - -type randEntropy struct { -} - -func (*randEntropy) Read(bytes []byte) (n int, err error) { - readBytes := GetEntropyCSPRNG(len(bytes)) - copy(bytes, readBytes) - return len(bytes), nil -} - -func GetEntropyCSPRNG(n int) []byte { - mainBuff := make([]byte, n) - _, err := io.ReadFull(crand.Reader, mainBuff) - if err != nil { - panic("reading from crypto/rand failed: " + err.Error()) - } - return mainBuff -} diff --git a/vendor/github.com/bytom/crypto/scrypt/example_test.go b/vendor/github.com/bytom/crypto/scrypt/example_test.go deleted file mode 100644 index 6736479b..00000000 --- a/vendor/github.com/bytom/crypto/scrypt/example_test.go +++ /dev/null @@ -1,26 +0,0 @@ -// Copyright 2017 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package scrypt_test - -import ( - "encoding/base64" - "fmt" - "log" - - "golang.org/x/crypto/scrypt" -) - -func Example() { - // DO NOT use this salt value; generate your own random salt. 8 bytes is - // a good length. - salt := []byte{0xc8, 0x28, 0xf2, 0x58, 0xa7, 0x6a, 0xad, 0x7b} - - dk, err := scrypt.Key([]byte("some password"), salt, 1<<15, 8, 1, 32) - if err != nil { - log.Fatal(err) - } - fmt.Println(base64.StdEncoding.EncodeToString(dk)) - // Output: lGnMz8io0AUkfzn6Pls1qX20Vs7PGN6sbYQ2TQgY12M= -} diff --git a/vendor/github.com/bytom/crypto/scrypt/scrypt.go b/vendor/github.com/bytom/crypto/scrypt/scrypt.go deleted file mode 100644 index 0f14e56c..00000000 --- a/vendor/github.com/bytom/crypto/scrypt/scrypt.go +++ /dev/null @@ -1,242 +0,0 @@ -// Package scrypt implements the scrypt key derivation function as defined in -// Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard -// Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf). - -// import "golang.org/x/crypto/scrypt" -package scrypt - -import ( - "crypto/sha256" - "errors" - - "golang.org/x/crypto/pbkdf2" -) - -const maxInt = int(^uint(0) >> 1) - -// blockCopy copies n numbers from src into dst. -func blockCopy(dst, src []uint32, n int) { - copy(dst, src[:n]) -} - -// blockXOR XORs numbers from dst with n numbers from src. -func blockXOR(dst, src []uint32, n int) { - for i, v := range src[:n] { - dst[i] ^= v - } -} - -// salsaXOR applies Salsa20/8 to the XOR of 16 numbers from tmp and in, -// and puts the result into both both tmp and out. -func salsaXOR(tmp *[16]uint32, in, out []uint32) { - w0 := tmp[0] ^ in[0] - w1 := tmp[1] ^ in[1] - w2 := tmp[2] ^ in[2] - w3 := tmp[3] ^ in[3] - w4 := tmp[4] ^ in[4] - w5 := tmp[5] ^ in[5] - w6 := tmp[6] ^ in[6] - w7 := tmp[7] ^ in[7] - w8 := tmp[8] ^ in[8] - w9 := tmp[9] ^ in[9] - w10 := tmp[10] ^ in[10] - w11 := tmp[11] ^ in[11] - w12 := tmp[12] ^ in[12] - w13 := tmp[13] ^ in[13] - w14 := tmp[14] ^ in[14] - w15 := tmp[15] ^ in[15] - - x0, x1, x2, x3, x4, x5, x6, x7, x8 := w0, w1, w2, w3, w4, w5, w6, w7, w8 - x9, x10, x11, x12, x13, x14, x15 := w9, w10, w11, w12, w13, w14, w15 - - for i := 0; i < 8; i += 2 { - u := x0 + x12 - x4 ^= u<<7 | u>>(32-7) - u = x4 + x0 - x8 ^= u<<9 | u>>(32-9) - u = x8 + x4 - x12 ^= u<<13 | u>>(32-13) - u = x12 + x8 - x0 ^= u<<18 | u>>(32-18) - - u = x5 + x1 - x9 ^= u<<7 | u>>(32-7) - u = x9 + x5 - x13 ^= u<<9 | u>>(32-9) - u = x13 + x9 - x1 ^= u<<13 | u>>(32-13) - u = x1 + x13 - x5 ^= u<<18 | u>>(32-18) - - u = x10 + x6 - x14 ^= u<<7 | u>>(32-7) - u = x14 + x10 - x2 ^= u<<9 | u>>(32-9) - u = x2 + x14 - x6 ^= u<<13 | u>>(32-13) - u = x6 + x2 - x10 ^= u<<18 | u>>(32-18) - - u = x15 + x11 - x3 ^= u<<7 | u>>(32-7) - u = x3 + x15 - x7 ^= u<<9 | u>>(32-9) - u = x7 + x3 - x11 ^= u<<13 | u>>(32-13) - u = x11 + x7 - x15 ^= u<<18 | u>>(32-18) - - u = x0 + x3 - x1 ^= u<<7 | u>>(32-7) - u = x1 + x0 - x2 ^= u<<9 | u>>(32-9) - u = x2 + x1 - x3 ^= u<<13 | u>>(32-13) - u = x3 + x2 - x0 ^= u<<18 | u>>(32-18) - - u = x5 + x4 - x6 ^= u<<7 | u>>(32-7) - u = x6 + x5 - x7 ^= u<<9 | u>>(32-9) - u = x7 + x6 - x4 ^= u<<13 | u>>(32-13) - u = x4 + x7 - x5 ^= u<<18 | u>>(32-18) - - u = x10 + x9 - x11 ^= u<<7 | u>>(32-7) - u = x11 + x10 - x8 ^= u<<9 | u>>(32-9) - u = x8 + x11 - x9 ^= u<<13 | u>>(32-13) - u = x9 + x8 - x10 ^= u<<18 | u>>(32-18) - - u = x15 + x14 - x12 ^= u<<7 | u>>(32-7) - u = x12 + x15 - x13 ^= u<<9 | u>>(32-9) - u = x13 + x12 - x14 ^= u<<13 | u>>(32-13) - u = x14 + x13 - x15 ^= u<<18 | u>>(32-18) - } - x0 += w0 - x1 += w1 - x2 += w2 - x3 += w3 - x4 += w4 - x5 += w5 - x6 += w6 - x7 += w7 - x8 += w8 - x9 += w9 - x10 += w10 - x11 += w11 - x12 += w12 - x13 += w13 - x14 += w14 - x15 += w15 - - out[0], tmp[0] = x0, x0 - out[1], tmp[1] = x1, x1 - out[2], tmp[2] = x2, x2 - out[3], tmp[3] = x3, x3 - out[4], tmp[4] = x4, x4 - out[5], tmp[5] = x5, x5 - out[6], tmp[6] = x6, x6 - out[7], tmp[7] = x7, x7 - out[8], tmp[8] = x8, x8 - out[9], tmp[9] = x9, x9 - out[10], tmp[10] = x10, x10 - out[11], tmp[11] = x11, x11 - out[12], tmp[12] = x12, x12 - out[13], tmp[13] = x13, x13 - out[14], tmp[14] = x14, x14 - out[15], tmp[15] = x15, x15 -} - -func blockMix(tmp *[16]uint32, in, out []uint32, r int) { - blockCopy(tmp[:], in[(2*r-1)*16:], 16) - for i := 0; i < 2*r; i += 2 { - salsaXOR(tmp, in[i*16:], out[i*8:]) - salsaXOR(tmp, in[i*16+16:], out[i*8+r*16:]) - } -} - -func integer(b []uint32, r int) uint64 { - j := (2*r - 1) * 16 - return uint64(b[j]) | uint64(b[j+1])<<32 -} - -func smix(b []byte, r, N int, v, xy []uint32) { - var tmp [16]uint32 - x := xy - y := xy[32*r:] - - j := 0 - for i := 0; i < 32*r; i++ { - x[i] = uint32(b[j]) | uint32(b[j+1])<<8 | uint32(b[j+2])<<16 | uint32(b[j+3])<<24 - j += 4 - } - for i := 0; i < N; i += 2 { - blockCopy(v[i*(32*r):], x, 32*r) - blockMix(&tmp, x, y, r) - - blockCopy(v[(i+1)*(32*r):], y, 32*r) - blockMix(&tmp, y, x, r) - } - for i := 0; i < N; i += 2 { - j := int(integer(x, r) & uint64(N-1)) - blockXOR(x, v[j*(32*r):], 32*r) - blockMix(&tmp, x, y, r) - - j = int(integer(y, r) & uint64(N-1)) - blockXOR(y, v[j*(32*r):], 32*r) - blockMix(&tmp, y, x, r) - } - j = 0 - for _, v := range x[:32*r] { - b[j+0] = byte(v >> 0) - b[j+1] = byte(v >> 8) - b[j+2] = byte(v >> 16) - b[j+3] = byte(v >> 24) - j += 4 - } -} - -// Key derives a key from the password, salt, and cost parameters, returning -// a byte slice of length keyLen that can be used as cryptographic key. -// -// N is a CPU/memory cost parameter, which must be a power of two greater than 1. -// r and p must satisfy r * p < 2³⁰. If the parameters do not satisfy the -// limits, the function returns a nil byte slice and an error. -// -// For example, you can get a derived key for e.g. AES-256 (which needs a -// 32-byte key) by doing: -// -// dk, err := scrypt.Key([]byte("some password"), salt, 16384, 8, 1, 32) -// -// The recommended parameters for interactive logins as of 2017 are N=32768, r=8 -// and p=1. The parameters N, r, and p should be increased as memory latency and -// CPU parallelism increases; consider setting N to the highest power of 2 you -// can derive within 100 milliseconds. Remember to get a good random salt. -func Key(password, salt []byte, N, r, p, keyLen int) ([]byte, error) { - if N <= 1 || N&(N-1) != 0 { - return nil, errors.New("scrypt: N must be > 1 and a power of 2") - } - if uint64(r)*uint64(p) >= 1<<30 || r > maxInt/128/p || r > maxInt/256 || N > maxInt/128/r { - return nil, errors.New("scrypt: parameters are too large") - } - - xy := make([]uint32, 64*r) - v := make([]uint32, 32*N*r) - b := pbkdf2.Key(password, salt, 1, p*128*r, sha256.New) - - for i := 0; i < p; i++ { - smix(b[i*128*r:], r, N, v, xy) - } - - return pbkdf2.Key(password, b, 1, keyLen, sha256.New), nil -} diff --git a/vendor/github.com/bytom/crypto/scrypt/scrypt_test.go b/vendor/github.com/bytom/crypto/scrypt/scrypt_test.go deleted file mode 100644 index 766ed8d9..00000000 --- a/vendor/github.com/bytom/crypto/scrypt/scrypt_test.go +++ /dev/null @@ -1,162 +0,0 @@ -// Copyright 2012 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package scrypt - -import ( - "bytes" - "testing" -) - -type testVector struct { - password string - salt string - N, r, p int - output []byte -} - -var good = []testVector{ - { - "password", - "salt", - 2, 10, 10, - []byte{ - 0x48, 0x2c, 0x85, 0x8e, 0x22, 0x90, 0x55, 0xe6, 0x2f, - 0x41, 0xe0, 0xec, 0x81, 0x9a, 0x5e, 0xe1, 0x8b, 0xdb, - 0x87, 0x25, 0x1a, 0x53, 0x4f, 0x75, 0xac, 0xd9, 0x5a, - 0xc5, 0xe5, 0xa, 0xa1, 0x5f, - }, - }, - { - "password", - "salt", - 16, 100, 100, - []byte{ - 0x88, 0xbd, 0x5e, 0xdb, 0x52, 0xd1, 0xdd, 0x0, 0x18, - 0x87, 0x72, 0xad, 0x36, 0x17, 0x12, 0x90, 0x22, 0x4e, - 0x74, 0x82, 0x95, 0x25, 0xb1, 0x8d, 0x73, 0x23, 0xa5, - 0x7f, 0x91, 0x96, 0x3c, 0x37, - }, - }, - { - "this is a long \000 password", - "and this is a long \000 salt", - 16384, 8, 1, - []byte{ - 0xc3, 0xf1, 0x82, 0xee, 0x2d, 0xec, 0x84, 0x6e, 0x70, - 0xa6, 0x94, 0x2f, 0xb5, 0x29, 0x98, 0x5a, 0x3a, 0x09, - 0x76, 0x5e, 0xf0, 0x4c, 0x61, 0x29, 0x23, 0xb1, 0x7f, - 0x18, 0x55, 0x5a, 0x37, 0x07, 0x6d, 0xeb, 0x2b, 0x98, - 0x30, 0xd6, 0x9d, 0xe5, 0x49, 0x26, 0x51, 0xe4, 0x50, - 0x6a, 0xe5, 0x77, 0x6d, 0x96, 0xd4, 0x0f, 0x67, 0xaa, - 0xee, 0x37, 0xe1, 0x77, 0x7b, 0x8a, 0xd5, 0xc3, 0x11, - 0x14, 0x32, 0xbb, 0x3b, 0x6f, 0x7e, 0x12, 0x64, 0x40, - 0x18, 0x79, 0xe6, 0x41, 0xae, - }, - }, - { - "p", - "s", - 2, 1, 1, - []byte{ - 0x48, 0xb0, 0xd2, 0xa8, 0xa3, 0x27, 0x26, 0x11, 0x98, - 0x4c, 0x50, 0xeb, 0xd6, 0x30, 0xaf, 0x52, - }, - }, - - { - "", - "", - 16, 1, 1, - []byte{ - 0x77, 0xd6, 0x57, 0x62, 0x38, 0x65, 0x7b, 0x20, 0x3b, - 0x19, 0xca, 0x42, 0xc1, 0x8a, 0x04, 0x97, 0xf1, 0x6b, - 0x48, 0x44, 0xe3, 0x07, 0x4a, 0xe8, 0xdf, 0xdf, 0xfa, - 0x3f, 0xed, 0xe2, 0x14, 0x42, 0xfc, 0xd0, 0x06, 0x9d, - 0xed, 0x09, 0x48, 0xf8, 0x32, 0x6a, 0x75, 0x3a, 0x0f, - 0xc8, 0x1f, 0x17, 0xe8, 0xd3, 0xe0, 0xfb, 0x2e, 0x0d, - 0x36, 0x28, 0xcf, 0x35, 0xe2, 0x0c, 0x38, 0xd1, 0x89, - 0x06, - }, - }, - { - "password", - "NaCl", - 1024, 8, 16, - []byte{ - 0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00, 0x78, - 0x56, 0xe7, 0x19, 0x0d, 0x01, 0xe9, 0xfe, 0x7c, 0x6a, - 0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30, 0xe7, 0x73, 0x76, - 0x63, 0x4b, 0x37, 0x31, 0x62, 0x2e, 0xaf, 0x30, 0xd9, - 0x2e, 0x22, 0xa3, 0x88, 0x6f, 0xf1, 0x09, 0x27, 0x9d, - 0x98, 0x30, 0xda, 0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83, - 0xee, 0x6d, 0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06, - 0x40, - }, - }, - { - "pleaseletmein", "SodiumChloride", - 16384, 8, 1, - []byte{ - 0x70, 0x23, 0xbd, 0xcb, 0x3a, 0xfd, 0x73, 0x48, 0x46, - 0x1c, 0x06, 0xcd, 0x81, 0xfd, 0x38, 0xeb, 0xfd, 0xa8, - 0xfb, 0xba, 0x90, 0x4f, 0x8e, 0x3e, 0xa9, 0xb5, 0x43, - 0xf6, 0x54, 0x5d, 0xa1, 0xf2, 0xd5, 0x43, 0x29, 0x55, - 0x61, 0x3f, 0x0f, 0xcf, 0x62, 0xd4, 0x97, 0x05, 0x24, - 0x2a, 0x9a, 0xf9, 0xe6, 0x1e, 0x85, 0xdc, 0x0d, 0x65, - 0x1e, 0x40, 0xdf, 0xcf, 0x01, 0x7b, 0x45, 0x57, 0x58, - 0x87, - }, - }, - /* - // Disabled: needs 1 GiB RAM and takes too long for a simple test. - { - "pleaseletmein", "SodiumChloride", - 1048576, 8, 1, - []byte{ - 0x21, 0x01, 0xcb, 0x9b, 0x6a, 0x51, 0x1a, 0xae, 0xad, - 0xdb, 0xbe, 0x09, 0xcf, 0x70, 0xf8, 0x81, 0xec, 0x56, - 0x8d, 0x57, 0x4a, 0x2f, 0xfd, 0x4d, 0xab, 0xe5, 0xee, - 0x98, 0x20, 0xad, 0xaa, 0x47, 0x8e, 0x56, 0xfd, 0x8f, - 0x4b, 0xa5, 0xd0, 0x9f, 0xfa, 0x1c, 0x6d, 0x92, 0x7c, - 0x40, 0xf4, 0xc3, 0x37, 0x30, 0x40, 0x49, 0xe8, 0xa9, - 0x52, 0xfb, 0xcb, 0xf4, 0x5c, 0x6f, 0xa7, 0x7a, 0x41, - 0xa4, - }, - }, - */ -} - -var bad = []testVector{ - {"p", "s", 0, 1, 1, nil}, // N == 0 - {"p", "s", 1, 1, 1, nil}, // N == 1 - {"p", "s", 7, 8, 1, nil}, // N is not power of 2 - {"p", "s", 16, maxInt / 2, maxInt / 2, nil}, // p * r too large -} - -func TestKey(t *testing.T) { - for i, v := range good { - k, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, len(v.output)) - if err != nil { - t.Errorf("%d: got unexpected error: %s", i, err) - } - if !bytes.Equal(k, v.output) { - t.Errorf("%d: expected %x, got %x", i, v.output, k) - } - } - for i, v := range bad { - _, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, 32) - if err == nil { - t.Errorf("%d: expected error, got nil", i) - } - } -} - -var sink []byte - -func BenchmarkKey(b *testing.B) { - for i := 0; i < b.N; i++ { - sink, _ = Key([]byte("password"), []byte("salt"), 1<<15, 8, 1, 64) - } -} diff --git a/vendor/github.com/bytom/crypto/scrypt/smix.go b/vendor/github.com/bytom/crypto/scrypt/smix.go deleted file mode 100644 index 5376d89d..00000000 --- a/vendor/github.com/bytom/crypto/scrypt/smix.go +++ /dev/null @@ -1,8 +0,0 @@ -package scrypt - -// Smix create tensority cache -// Some value is fixed: r = 1, N = 1024. -func Smix(b []byte, v []uint32) { - xy := make([]uint32, 64) - smix(b, 1, 1024, v, xy) -} diff --git a/vendor/github.com/bytom/crypto/sm2/cert_pool.go b/vendor/github.com/bytom/crypto/sm2/cert_pool.go deleted file mode 100644 index 0a29b46b..00000000 --- a/vendor/github.com/bytom/crypto/sm2/cert_pool.go +++ /dev/null @@ -1,214 +0,0 @@ -package sm2 - -import ( - "encoding/pem" - "errors" - "io/ioutil" - "os" - "runtime" - "sync" -) - -// Possible certificate files; stop after finding one. -var certFiles = []string{ - "/etc/ssl/certs/ca-certificates.crt", // Debian/Ubuntu/Gentoo etc. - "/etc/pki/tls/certs/ca-bundle.crt", // Fedora/RHEL 6 - "/etc/ssl/ca-bundle.pem", // OpenSUSE - "/etc/pki/tls/cacert.pem", // OpenELEC - "/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem", // CentOS/RHEL 7 -} - -// CertPool is a set of certificates. -type CertPool struct { - bySubjectKeyId map[string][]int - byName map[string][]int - certs []*Certificate -} - -// NewCertPool returns a new, empty CertPool. -func NewCertPool() *CertPool { - return &CertPool{ - bySubjectKeyId: make(map[string][]int), - byName: make(map[string][]int), - } -} - -// Possible directories with certificate files; stop after successfully -// reading at least one file from a directory. -var certDirectories = []string{ - "/etc/ssl/certs", // SLES10/SLES11, https://golang.org/issue/12139 - "/system/etc/security/cacerts", // Android -} - -var ( - once sync.Once - systemRoots *CertPool - systemRootsErr error -) - -func systemRootsPool() *CertPool { - once.Do(initSystemRoots) - return systemRoots -} - -func initSystemRoots() { - systemRoots, systemRootsErr = loadSystemRoots() -} - -func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate, err error) { - return nil, nil -} - -func loadSystemRoots() (*CertPool, error) { - roots := NewCertPool() - var firstErr error - for _, file := range certFiles { - data, err := ioutil.ReadFile(file) - if err == nil { - roots.AppendCertsFromPEM(data) - return roots, nil - } - if firstErr == nil && !os.IsNotExist(err) { - firstErr = err - } - } - - for _, directory := range certDirectories { - fis, err := ioutil.ReadDir(directory) - if err != nil { - if firstErr == nil && !os.IsNotExist(err) { - firstErr = err - } - continue - } - rootsAdded := false - for _, fi := range fis { - data, err := ioutil.ReadFile(directory + "/" + fi.Name()) - if err == nil && roots.AppendCertsFromPEM(data) { - rootsAdded = true - } - } - if rootsAdded { - return roots, nil - } - } - - return nil, firstErr -} - -// SystemCertPool returns a copy of the system cert pool. -// -// Any mutations to the returned pool are not written to disk and do -// not affect any other pool. -func SystemCertPool() (*CertPool, error) { - if runtime.GOOS == "windows" { - // Issue 16736, 18609: - return nil, errors.New("crypto/x509: system root pool is not available on Windows") - } - - return loadSystemRoots() -} - -// findVerifiedParents attempts to find certificates in s which have signed the -// given certificate. If any candidates were rejected then errCert will be set -// to one of them, arbitrarily, and err will contain the reason that it was -// rejected. -func (s *CertPool) findVerifiedParents(cert *Certificate) (parents []int, errCert *Certificate, err error) { - if s == nil { - return - } - var candidates []int - - if len(cert.AuthorityKeyId) > 0 { - candidates = s.bySubjectKeyId[string(cert.AuthorityKeyId)] - } - if len(candidates) == 0 { - candidates = s.byName[string(cert.RawIssuer)] - } - - for _, c := range candidates { - if err = cert.CheckSignatureFrom(s.certs[c]); err == nil { - parents = append(parents, c) - } else { - errCert = s.certs[c] - } - } - - return -} - -func (s *CertPool) contains(cert *Certificate) bool { - if s == nil { - return false - } - - candidates := s.byName[string(cert.RawSubject)] - for _, c := range candidates { - if s.certs[c].Equal(cert) { - return true - } - } - - return false -} - -// AddCert adds a certificate to a pool. -func (s *CertPool) AddCert(cert *Certificate) { - if cert == nil { - panic("adding nil Certificate to CertPool") - } - - // Check that the certificate isn't being added twice. - if s.contains(cert) { - return - } - - n := len(s.certs) - s.certs = append(s.certs, cert) - - if len(cert.SubjectKeyId) > 0 { - keyId := string(cert.SubjectKeyId) - s.bySubjectKeyId[keyId] = append(s.bySubjectKeyId[keyId], n) - } - name := string(cert.RawSubject) - s.byName[name] = append(s.byName[name], n) -} - -// AppendCertsFromPEM attempts to parse a series of PEM encoded certificates. -// It appends any certificates found to s and reports whether any certificates -// were successfully parsed. -// -// On many Linux systems, /etc/ssl/cert.pem will contain the system wide set -// of root CAs in a format suitable for this function. -func (s *CertPool) AppendCertsFromPEM(pemCerts []byte) (ok bool) { - for len(pemCerts) > 0 { - var block *pem.Block - block, pemCerts = pem.Decode(pemCerts) - if block == nil { - break - } - if block.Type != "CERTIFICATE" || len(block.Headers) != 0 { - continue - } - - cert, err := ParseCertificate(block.Bytes) - if err != nil { - continue - } - - s.AddCert(cert) - ok = true - } - - return -} - -// Subjects returns a list of the DER-encoded subjects of -// all of the certificates in the pool. -func (s *CertPool) Subjects() [][]byte { - res := make([][]byte, len(s.certs)) - for i, c := range s.certs { - res[i] = c.RawSubject - } - return res -} diff --git a/vendor/github.com/bytom/crypto/sm2/p256.go b/vendor/github.com/bytom/crypto/sm2/p256.go deleted file mode 100644 index 090e1055..00000000 --- a/vendor/github.com/bytom/crypto/sm2/p256.go +++ /dev/null @@ -1,1041 +0,0 @@ -package sm2 - -import ( - "crypto/elliptic" - "math/big" - "sync" -) - -/** 学习标准库p256的优化方法实现sm2的快速版本 - * 标准库的p256的代码实现有些晦涩难懂，当然sm2的同样如此，有兴趣的大家可以研究研究，最后神兽压阵。。。 - * - * ━━━━━━animal━━━━━━ - * 　　　┏┓　　　┏┓ - * 　　┏┛┻━━━┛┻┓ - * 　　┃　　　　　　　┃ - * 　　┃　　　━　　　┃ - * 　　┃　┳┛　┗┳　┃ - * 　　┃　　　　　　　┃ - * 　　┃　　　┻　　　┃ - * 　　┃　　　　　　　┃ - * 　　┗━┓　　　┏━┛ - * 　　　┃　　　┃ - *　　 　┃　　　┃ - *　　　 ┃　　　┗━━━┓ - * 　┃　　　　　┣┓ - * 　　┃　　　　　┏┛ - *　　 　┗┓┓┏━┳┓┏┛ - *　　　　┃┫┫ ┃┫┫ - *　　　　┗┻┛ ┗┻┛ - * - * ━━━━━Kawaii ━━━━━━ - */ - -type sm2P256Curve struct { - RInverse *big.Int - *elliptic.CurveParams - a, b, gx, gy sm2P256FieldElement -} - -var initonce sync.Once -var sm2P256 sm2P256Curve - -type sm2P256FieldElement [9]uint32 -type sm2P256LargeFieldElement [17]uint64 - -const ( - bottom28Bits = 0xFFFFFFF - bottom29Bits = 0x1FFFFFFF -) - -func initP256Sm2() { - sm2P256.CurveParams = &elliptic.CurveParams{Name: "SM2-P-256"} // sm2 - A, _ := new(big.Int).SetString("FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFC", 16) - //SM2椭 椭 圆 曲 线 公 钥 密 码 算 法 推 荐 曲 线 参 数 - sm2P256.P, _ = new(big.Int).SetString("FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF", 16) - sm2P256.N, _ = new(big.Int).SetString("FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFF7203DF6B21C6052B53BBF40939D54123", 16) - sm2P256.B, _ = new(big.Int).SetString("28E9FA9E9D9F5E344D5A9E4BCF6509A7F39789F515AB8F92DDBCBD414D940E93", 16) - sm2P256.Gx, _ = new(big.Int).SetString("32C4AE2C1F1981195F9904466A39C9948FE30BBFF2660BE1715A4589334C74C7", 16) - sm2P256.Gy, _ = new(big.Int).SetString("BC3736A2F4F6779C59BDCEE36B692153D0A9877CC62A474002DF32E52139F0A0", 16) - sm2P256.RInverse, _ = new(big.Int).SetString("7ffffffd80000002fffffffe000000017ffffffe800000037ffffffc80000002", 16) - sm2P256.BitSize = 256 - sm2P256FromBig(&sm2P256.a, A) - sm2P256FromBig(&sm2P256.gx, sm2P256.Gx) - sm2P256FromBig(&sm2P256.gy, sm2P256.Gy) - sm2P256FromBig(&sm2P256.b, sm2P256.B) -} - -func P256Sm2() elliptic.Curve { - initonce.Do(initP256Sm2) - return sm2P256 -} - -func (curve sm2P256Curve) Params() *elliptic.CurveParams { - return sm2P256.CurveParams -} - -// y^2 = x^3 + ax + b -func (curve sm2P256Curve) IsOnCurve(X, Y *big.Int) bool { - var a, x, y, y2, x3 sm2P256FieldElement - - sm2P256FromBig(&x, X) - sm2P256FromBig(&y, Y) - - sm2P256Square(&x3, &x) // x3 = x ^ 2 - sm2P256Mul(&x3, &x3, &x) // x3 = x ^ 2 * x - sm2P256Mul(&a, &curve.a, &x) // a = a * x - sm2P256Add(&x3, &x3, &a) - sm2P256Add(&x3, &x3, &curve.b) - - sm2P256Square(&y2, &y) // y2 = y ^ 2 - return sm2P256ToBig(&x3).Cmp(sm2P256ToBig(&y2)) == 0 -} - -func zForAffine(x, y *big.Int) *big.Int { - z := new(big.Int) - if x.Sign() != 0 || y.Sign() != 0 { - z.SetInt64(1) - } - return z -} - -func (curve sm2P256Curve) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int) { - var X1, Y1, Z1, X2, Y2, Z2, X3, Y3, Z3 sm2P256FieldElement - - z1 := zForAffine(x1, y1) - z2 := zForAffine(x2, y2) - sm2P256FromBig(&X1, x1) - sm2P256FromBig(&Y1, y1) - sm2P256FromBig(&Z1, z1) - sm2P256FromBig(&X2, x2) - sm2P256FromBig(&Y2, y2) - sm2P256FromBig(&Z2, z2) - sm2P256PointAdd(&X1, &Y1, &Z1, &X2, &Y2, &Z2, &X3, &Y3, &Z3) - return sm2P256ToAffine(&X3, &Y3, &Z3) -} - -func (curve sm2P256Curve) Double(x1, y1 *big.Int) (*big.Int, *big.Int) { - var X1, Y1, Z1 sm2P256FieldElement - - z1 := zForAffine(x1, y1) - sm2P256FromBig(&X1, x1) - sm2P256FromBig(&Y1, y1) - sm2P256FromBig(&Z1, z1) - sm2P256PointDouble(&X1, &Y1, &Z1, &X1, &Y1, &Z1) - return sm2P256ToAffine(&X1, &Y1, &Z1) -} - -func (curve sm2P256Curve) ScalarMult(x1, y1 *big.Int, k []byte) (*big.Int, *big.Int) { - var scalarReversed [32]byte - var X, Y, Z, X1, Y1 sm2P256FieldElement - - sm2P256FromBig(&X1, x1) - sm2P256FromBig(&Y1, y1) - sm2P256GetScalar(&scalarReversed, k) - sm2P256ScalarMult(&X, &Y, &Z, &X1, &Y1, &scalarReversed) - return sm2P256ToAffine(&X, &Y, &Z) -} - -func (curve sm2P256Curve) ScalarBaseMult(k []byte) (*big.Int, *big.Int) { - var scalarReversed [32]byte - var X, Y, Z sm2P256FieldElement - - sm2P256GetScalar(&scalarReversed, k) - sm2P256ScalarBaseMult(&X, &Y, &Z, &scalarReversed) - return sm2P256ToAffine(&X, &Y, &Z) -} - -var sm2P256Precomputed = [9 * 2 * 15 * 2]uint32{ - 0x830053d, 0x328990f, 0x6c04fe1, 0xc0f72e5, 0x1e19f3c, 0x666b093, 0x175a87b, 0xec38276, 0x222cf4b, - 0x185a1bba, 0x354e593, 0x1295fac1, 0xf2bc469, 0x47c60fa, 0xc19b8a9, 0xf63533e, 0x903ae6b, 0xc79acba, - 0x15b061a4, 0x33e020b, 0xdffb34b, 0xfcf2c8, 0x16582e08, 0x262f203, 0xfb34381, 0xa55452, 0x604f0ff, - 0x41f1f90, 0xd64ced2, 0xee377bf, 0x75f05f0, 0x189467ae, 0xe2244e, 0x1e7700e8, 0x3fbc464, 0x9612d2e, - 0x1341b3b8, 0xee84e23, 0x1edfa5b4, 0x14e6030, 0x19e87be9, 0x92f533c, 0x1665d96c, 0x226653e, 0xa238d3e, - 0xf5c62c, 0x95bb7a, 0x1f0e5a41, 0x28789c3, 0x1f251d23, 0x8726609, 0xe918910, 0x8096848, 0xf63d028, - 0x152296a1, 0x9f561a8, 0x14d376fb, 0x898788a, 0x61a95fb, 0xa59466d, 0x159a003d, 0x1ad1698, 0x93cca08, - 0x1b314662, 0x706e006, 0x11ce1e30, 0x97b710, 0x172fbc0d, 0x8f50158, 0x11c7ffe7, 0xd182cce, 0xc6ad9e8, - 0x12ea31b2, 0xc4e4f38, 0x175b0d96, 0xec06337, 0x75a9c12, 0xb001fdf, 0x93e82f5, 0x34607de, 0xb8035ed, - 0x17f97924, 0x75cf9e6, 0xdceaedd, 0x2529924, 0x1a10c5ff, 0xb1a54dc, 0x19464d8, 0x2d1997, 0xde6a110, - 0x1e276ee5, 0x95c510c, 0x1aca7c7a, 0xfe48aca, 0x121ad4d9, 0xe4132c6, 0x8239b9d, 0x40ea9cd, 0x816c7b, - 0x632d7a4, 0xa679813, 0x5911fcf, 0x82b0f7c, 0x57b0ad5, 0xbef65, 0xd541365, 0x7f9921f, 0xc62e7a, - 0x3f4b32d, 0x58e50e1, 0x6427aed, 0xdcdda67, 0xe8c2d3e, 0x6aa54a4, 0x18df4c35, 0x49a6a8e, 0x3cd3d0c, - 0xd7adf2, 0xcbca97, 0x1bda5f2d, 0x3258579, 0x606b1e6, 0x6fc1b5b, 0x1ac27317, 0x503ca16, 0xa677435, - 0x57bc73, 0x3992a42, 0xbab987b, 0xfab25eb, 0x128912a4, 0x90a1dc4, 0x1402d591, 0x9ffbcfc, 0xaa48856, - 0x7a7c2dc, 0xcefd08a, 0x1b29bda6, 0xa785641, 0x16462d8c, 0x76241b7, 0x79b6c3b, 0x204ae18, 0xf41212b, - 0x1f567a4d, 0xd6ce6db, 0xedf1784, 0x111df34, 0x85d7955, 0x55fc189, 0x1b7ae265, 0xf9281ac, 0xded7740, - 0xf19468b, 0x83763bb, 0x8ff7234, 0x3da7df8, 0x9590ac3, 0xdc96f2a, 0x16e44896, 0x7931009, 0x99d5acc, - 0x10f7b842, 0xaef5e84, 0xc0310d7, 0xdebac2c, 0x2a7b137, 0x4342344, 0x19633649, 0x3a10624, 0x4b4cb56, - 0x1d809c59, 0xac007f, 0x1f0f4bcd, 0xa1ab06e, 0xc5042cf, 0x82c0c77, 0x76c7563, 0x22c30f3, 0x3bf1568, - 0x7a895be, 0xfcca554, 0x12e90e4c, 0x7b4ab5f, 0x13aeb76b, 0x5887e2c, 0x1d7fe1e3, 0x908c8e3, 0x95800ee, - 0xb36bd54, 0xf08905d, 0x4e73ae8, 0xf5a7e48, 0xa67cb0, 0x50e1067, 0x1b944a0a, 0xf29c83a, 0xb23cfb9, - 0xbe1db1, 0x54de6e8, 0xd4707f2, 0x8ebcc2d, 0x2c77056, 0x1568ce4, 0x15fcc849, 0x4069712, 0xe2ed85f, - 0x2c5ff09, 0x42a6929, 0x628e7ea, 0xbd5b355, 0xaf0bd79, 0xaa03699, 0xdb99816, 0x4379cef, 0x81d57b, - 0x11237f01, 0xe2a820b, 0xfd53b95, 0x6beb5ee, 0x1aeb790c, 0xe470d53, 0x2c2cfee, 0x1c1d8d8, 0xa520fc4, - 0x1518e034, 0xa584dd4, 0x29e572b, 0xd4594fc, 0x141a8f6f, 0x8dfccf3, 0x5d20ba3, 0x2eb60c3, 0x9f16eb0, - 0x11cec356, 0xf039f84, 0x1b0990c1, 0xc91e526, 0x10b65bae, 0xf0616e8, 0x173fa3ff, 0xec8ccf9, 0xbe32790, - 0x11da3e79, 0xe2f35c7, 0x908875c, 0xdacf7bd, 0x538c165, 0x8d1487f, 0x7c31aed, 0x21af228, 0x7e1689d, - 0xdfc23ca, 0x24f15dc, 0x25ef3c4, 0x35248cd, 0x99a0f43, 0xa4b6ecc, 0xd066b3, 0x2481152, 0x37a7688, - 0x15a444b6, 0xb62300c, 0x4b841b, 0xa655e79, 0xd53226d, 0xbeb348a, 0x127f3c2, 0xb989247, 0x71a277d, - 0x19e9dfcb, 0xb8f92d0, 0xe2d226c, 0x390a8b0, 0x183cc462, 0x7bd8167, 0x1f32a552, 0x5e02db4, 0xa146ee9, - 0x1a003957, 0x1c95f61, 0x1eeec155, 0x26f811f, 0xf9596ba, 0x3082bfb, 0x96df083, 0x3e3a289, 0x7e2d8be, - 0x157a63e0, 0x99b8941, 0x1da7d345, 0xcc6cd0, 0x10beed9a, 0x48e83c0, 0x13aa2e25, 0x7cad710, 0x4029988, - 0x13dfa9dd, 0xb94f884, 0x1f4adfef, 0xb88543, 0x16f5f8dc, 0xa6a67f4, 0x14e274e2, 0x5e56cf4, 0x2f24ef, - 0x1e9ef967, 0xfe09bad, 0xfe079b3, 0xcc0ae9e, 0xb3edf6d, 0x3e961bc, 0x130d7831, 0x31043d6, 0xba986f9, - 0x1d28055, 0x65240ca, 0x4971fa3, 0x81b17f8, 0x11ec34a5, 0x8366ddc, 0x1471809, 0xfa5f1c6, 0xc911e15, - 0x8849491, 0xcf4c2e2, 0x14471b91, 0x39f75be, 0x445c21e, 0xf1585e9, 0x72cc11f, 0x4c79f0c, 0xe5522e1, - 0x1874c1ee, 0x4444211, 0x7914884, 0x3d1b133, 0x25ba3c, 0x4194f65, 0x1c0457ef, 0xac4899d, 0xe1fa66c, - 0x130a7918, 0x9b8d312, 0x4b1c5c8, 0x61ccac3, 0x18c8aa6f, 0xe93cb0a, 0xdccb12c, 0xde10825, 0x969737d, - 0xf58c0c3, 0x7cee6a9, 0xc2c329a, 0xc7f9ed9, 0x107b3981, 0x696a40e, 0x152847ff, 0x4d88754, 0xb141f47, - 0x5a16ffe, 0x3a7870a, 0x18667659, 0x3b72b03, 0xb1c9435, 0x9285394, 0xa00005a, 0x37506c, 0x2edc0bb, - 0x19afe392, 0xeb39cac, 0x177ef286, 0xdf87197, 0x19f844ed, 0x31fe8, 0x15f9bfd, 0x80dbec, 0x342e96e, - 0x497aced, 0xe88e909, 0x1f5fa9ba, 0x530a6ee, 0x1ef4e3f1, 0x69ffd12, 0x583006d, 0x2ecc9b1, 0x362db70, - 0x18c7bdc5, 0xf4bb3c5, 0x1c90b957, 0xf067c09, 0x9768f2b, 0xf73566a, 0x1939a900, 0x198c38a, 0x202a2a1, - 0x4bbf5a6, 0x4e265bc, 0x1f44b6e7, 0x185ca49, 0xa39e81b, 0x24aff5b, 0x4acc9c2, 0x638bdd3, 0xb65b2a8, - 0x6def8be, 0xb94537a, 0x10b81dee, 0xe00ec55, 0x2f2cdf7, 0xc20622d, 0x2d20f36, 0xe03c8c9, 0x898ea76, - 0x8e3921b, 0x8905bff, 0x1e94b6c8, 0xee7ad86, 0x154797f2, 0xa620863, 0x3fbd0d9, 0x1f3caab, 0x30c24bd, - 0x19d3892f, 0x59c17a2, 0x1ab4b0ae, 0xf8714ee, 0x90c4098, 0xa9c800d, 0x1910236b, 0xea808d3, 0x9ae2f31, - 0x1a15ad64, 0xa48c8d1, 0x184635a4, 0xb725ef1, 0x11921dcc, 0x3f866df, 0x16c27568, 0xbdf580a, 0xb08f55c, - 0x186ee1c, 0xb1627fa, 0x34e82f6, 0x933837e, 0xf311be5, 0xfedb03b, 0x167f72cd, 0xa5469c0, 0x9c82531, - 0xb92a24b, 0x14fdc8b, 0x141980d1, 0xbdc3a49, 0x7e02bb1, 0xaf4e6dd, 0x106d99e1, 0xd4616fc, 0x93c2717, - 0x1c0a0507, 0xc6d5fed, 0x9a03d8b, 0xa1d22b0, 0x127853e3, 0xc4ac6b8, 0x1a048cf7, 0x9afb72c, 0x65d485d, - 0x72d5998, 0xe9fa744, 0xe49e82c, 0x253cf80, 0x5f777ce, 0xa3799a5, 0x17270cbb, 0xc1d1ef0, 0xdf74977, - 0x114cb859, 0xfa8e037, 0xb8f3fe5, 0xc734cc6, 0x70d3d61, 0xeadac62, 0x12093dd0, 0x9add67d, 0x87200d6, - 0x175bcbb, 0xb29b49f, 0x1806b79c, 0x12fb61f, 0x170b3a10, 0x3aaf1cf, 0xa224085, 0x79d26af, 0x97759e2, - 0x92e19f1, 0xb32714d, 0x1f00d9f1, 0xc728619, 0x9e6f627, 0xe745e24, 0x18ea4ace, 0xfc60a41, 0x125f5b2, - 0xc3cf512, 0x39ed486, 0xf4d15fa, 0xf9167fd, 0x1c1f5dd5, 0xc21a53e, 0x1897930, 0x957a112, 0x21059a0, - 0x1f9e3ddc, 0xa4dfced, 0x8427f6f, 0x726fbe7, 0x1ea658f8, 0x2fdcd4c, 0x17e9b66f, 0xb2e7c2e, 0x39923bf, - 0x1bae104, 0x3973ce5, 0xc6f264c, 0x3511b84, 0x124195d7, 0x11996bd, 0x20be23d, 0xdc437c4, 0x4b4f16b, - 0x11902a0, 0x6c29cc9, 0x1d5ffbe6, 0xdb0b4c7, 0x10144c14, 0x2f2b719, 0x301189, 0x2343336, 0xa0bf2ac, -} - -func sm2P256GetScalar(b *[32]byte, a []byte) { - var scalarBytes []byte - - n := new(big.Int).SetBytes(a) - if n.Cmp(sm2P256.N) >= 0 { - n.Mod(n, sm2P256.N) - scalarBytes = n.Bytes() - } else { - scalarBytes = a - } - for i, v := range scalarBytes { - b[len(scalarBytes)-(1+i)] = v - } -} - -func sm2P256PointAddMixed(xOut, yOut, zOut, x1, y1, z1, x2, y2 *sm2P256FieldElement) { - var z1z1, z1z1z1, s2, u2, h, i, j, r, rr, v, tmp sm2P256FieldElement - - sm2P256Square(&z1z1, z1) - sm2P256Add(&tmp, z1, z1) - - sm2P256Mul(&u2, x2, &z1z1) - sm2P256Mul(&z1z1z1, z1, &z1z1) - sm2P256Mul(&s2, y2, &z1z1z1) - sm2P256Sub(&h, &u2, x1) - sm2P256Add(&i, &h, &h) - sm2P256Square(&i, &i) - sm2P256Mul(&j, &h, &i) - sm2P256Sub(&r, &s2, y1) - sm2P256Add(&r, &r, &r) - sm2P256Mul(&v, x1, &i) - - sm2P256Mul(zOut, &tmp, &h) - sm2P256Square(&rr, &r) - sm2P256Sub(xOut, &rr, &j) - sm2P256Sub(xOut, xOut, &v) - sm2P256Sub(xOut, xOut, &v) - - sm2P256Sub(&tmp, &v, xOut) - sm2P256Mul(yOut, &tmp, &r) - sm2P256Mul(&tmp, y1, &j) - sm2P256Sub(yOut, yOut, &tmp) - sm2P256Sub(yOut, yOut, &tmp) -} - -// sm2P256CopyConditional sets out=in if mask = 0xffffffff in constant time. -// -// On entry: mask is either 0 or 0xffffffff. -func sm2P256CopyConditional(out, in *sm2P256FieldElement, mask uint32) { - for i := 0; i < 9; i++ { - tmp := mask & (in[i] ^ out[i]) - out[i] ^= tmp - } -} - -// sm2P256SelectAffinePoint sets {out_x,out_y} to the index'th entry of table. -// On entry: index < 16, table[0] must be zero. -func sm2P256SelectAffinePoint(xOut, yOut *sm2P256FieldElement, table []uint32, index uint32) { - for i := range xOut { - xOut[i] = 0 - } - for i := range yOut { - yOut[i] = 0 - } - - for i := uint32(1); i < 16; i++ { - mask := i ^ index - mask |= mask >> 2 - mask |= mask >> 1 - mask &= 1 - mask-- - for j := range xOut { - xOut[j] |= table[0] & mask - table = table[1:] - } - for j := range yOut { - yOut[j] |= table[0] & mask - table = table[1:] - } - } -} - -// sm2P256SelectJacobianPoint sets {out_x,out_y,out_z} to the index'th entry of -// table. -// On entry: index < 16, table[0] must be zero. -func sm2P256SelectJacobianPoint(xOut, yOut, zOut *sm2P256FieldElement, table *[16][3]sm2P256FieldElement, index uint32) { - for i := range xOut { - xOut[i] = 0 - } - for i := range yOut { - yOut[i] = 0 - } - for i := range zOut { - zOut[i] = 0 - } - - // The implicit value at index 0 is all zero. We don't need to perform that - // iteration of the loop because we already set out_* to zero. - for i := uint32(1); i < 16; i++ { - mask := i ^ index - mask |= mask >> 2 - mask |= mask >> 1 - mask &= 1 - mask-- - for j := range xOut { - xOut[j] |= table[i][0][j] & mask - } - for j := range yOut { - yOut[j] |= table[i][1][j] & mask - } - for j := range zOut { - zOut[j] |= table[i][2][j] & mask - } - } -} - -// sm2P256GetBit returns the bit'th bit of scalar. -func sm2P256GetBit(scalar *[32]uint8, bit uint) uint32 { - return uint32(((scalar[bit>>3]) >> (bit & 7)) & 1) -} - -// sm2P256ScalarBaseMult sets {xOut,yOut,zOut} = scalar*G where scalar is a -// little-endian number. Note that the value of scalar must be less than the -// order of the group. -func sm2P256ScalarBaseMult(xOut, yOut, zOut *sm2P256FieldElement, scalar *[32]uint8) { - nIsInfinityMask := ^uint32(0) - var px, py, tx, ty, tz sm2P256FieldElement - var pIsNoninfiniteMask, mask, tableOffset uint32 - - for i := range xOut { - xOut[i] = 0 - } - for i := range yOut { - yOut[i] = 0 - } - for i := range zOut { - zOut[i] = 0 - } - - // The loop adds bits at positions 0, 64, 128 and 192, followed by - // positions 32,96,160 and 224 and does this 32 times. - for i := uint(0); i < 32; i++ { - if i != 0 { - sm2P256PointDouble(xOut, yOut, zOut, xOut, yOut, zOut) - } - tableOffset = 0 - for j := uint(0); j <= 32; j += 32 { - bit0 := sm2P256GetBit(scalar, 31-i+j) - bit1 := sm2P256GetBit(scalar, 95-i+j) - bit2 := sm2P256GetBit(scalar, 159-i+j) - bit3 := sm2P256GetBit(scalar, 223-i+j) - index := bit0 | (bit1 << 1) | (bit2 << 2) | (bit3 << 3) - - sm2P256SelectAffinePoint(&px, &py, sm2P256Precomputed[tableOffset:], index) - tableOffset += 30 * 9 - - // Since scalar is less than the order of the group, we know that - // {xOut,yOut,zOut} != {px,py,1}, unless both are zero, which we handle - // below. - sm2P256PointAddMixed(&tx, &ty, &tz, xOut, yOut, zOut, &px, &py) - // The result of pointAddMixed is incorrect if {xOut,yOut,zOut} is zero - // (a.k.a. the point at infinity). We handle that situation by - // copying the point from the table. - sm2P256CopyConditional(xOut, &px, nIsInfinityMask) - sm2P256CopyConditional(yOut, &py, nIsInfinityMask) - sm2P256CopyConditional(zOut, &sm2P256Factor[1], nIsInfinityMask) - - // Equally, the result is also wrong if the point from the table is - // zero, which happens when the index is zero. We handle that by - // only copying from {tx,ty,tz} to {xOut,yOut,zOut} if index != 0. - pIsNoninfiniteMask = nonZeroToAllOnes(index) - mask = pIsNoninfiniteMask & ^nIsInfinityMask - sm2P256CopyConditional(xOut, &tx, mask) - sm2P256CopyConditional(yOut, &ty, mask) - sm2P256CopyConditional(zOut, &tz, mask) - // If p was not zero, then n is now non-zero. - nIsInfinityMask &^= pIsNoninfiniteMask - } - } -} - -func sm2P256ScalarMult(xOut, yOut, zOut, x, y *sm2P256FieldElement, scalar *[32]uint8) { - var precomp [16][3]sm2P256FieldElement - var px, py, pz, tx, ty, tz sm2P256FieldElement - var nIsInfinityMask, index, pIsNoninfiniteMask, mask uint32 - - // We precompute 0,1,2,... times {x,y}. - precomp[1][0] = *x - precomp[1][1] = *y - precomp[1][2] = sm2P256Factor[1] - - for i := 2; i < 16; i += 2 { - sm2P256PointDouble(&precomp[i][0], &precomp[i][1], &precomp[i][2], &precomp[i/2][0], &precomp[i/2][1], &precomp[i/2][2]) - sm2P256PointAddMixed(&precomp[i+1][0], &precomp[i+1][1], &precomp[i+1][2], &precomp[i][0], &precomp[i][1], &precomp[i][2], x, y) - } - - for i := range xOut { - xOut[i] = 0 - } - for i := range yOut { - yOut[i] = 0 - } - for i := range zOut { - zOut[i] = 0 - } - nIsInfinityMask = ^uint32(0) - - // We add in a window of four bits each iteration and do this 64 times. - for i := 0; i < 64; i++ { - if i != 0 { - sm2P256PointDouble(xOut, yOut, zOut, xOut, yOut, zOut) - sm2P256PointDouble(xOut, yOut, zOut, xOut, yOut, zOut) - sm2P256PointDouble(xOut, yOut, zOut, xOut, yOut, zOut) - sm2P256PointDouble(xOut, yOut, zOut, xOut, yOut, zOut) - } - - index = uint32(scalar[31-i/2]) - if (i & 1) == 1 { - index &= 15 - } else { - index >>= 4 - } - - // See the comments in scalarBaseMult about handling infinities. - sm2P256SelectJacobianPoint(&px, &py, &pz, &precomp, index) - sm2P256PointAdd(xOut, yOut, zOut, &px, &py, &pz, &tx, &ty, &tz) - sm2P256CopyConditional(xOut, &px, nIsInfinityMask) - sm2P256CopyConditional(yOut, &py, nIsInfinityMask) - sm2P256CopyConditional(zOut, &pz, nIsInfinityMask) - - pIsNoninfiniteMask = nonZeroToAllOnes(index) - mask = pIsNoninfiniteMask & ^nIsInfinityMask - sm2P256CopyConditional(xOut, &tx, mask) - sm2P256CopyConditional(yOut, &ty, mask) - sm2P256CopyConditional(zOut, &tz, mask) - nIsInfinityMask &^= pIsNoninfiniteMask - } -} - -func sm2P256PointToAffine(xOut, yOut, x, y, z *sm2P256FieldElement) { - var zInv, zInvSq sm2P256FieldElement - - zz := sm2P256ToBig(z) - zz.ModInverse(zz, sm2P256.P) - sm2P256FromBig(&zInv, zz) - - sm2P256Square(&zInvSq, &zInv) - sm2P256Mul(xOut, x, &zInvSq) - sm2P256Mul(&zInv, &zInv, &zInvSq) - sm2P256Mul(yOut, y, &zInv) -} - -func sm2P256ToAffine(x, y, z *sm2P256FieldElement) (xOut, yOut *big.Int) { - var xx, yy sm2P256FieldElement - - sm2P256PointToAffine(&xx, &yy, x, y, z) - return sm2P256ToBig(&xx), sm2P256ToBig(&yy) -} - -var sm2P256Factor = []sm2P256FieldElement{ - sm2P256FieldElement{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, - sm2P256FieldElement{0x2, 0x0, 0x1FFFFF00, 0x7FF, 0x0, 0x0, 0x0, 0x2000000, 0x0}, - sm2P256FieldElement{0x4, 0x0, 0x1FFFFE00, 0xFFF, 0x0, 0x0, 0x0, 0x4000000, 0x0}, - sm2P256FieldElement{0x6, 0x0, 0x1FFFFD00, 0x17FF, 0x0, 0x0, 0x0, 0x6000000, 0x0}, - sm2P256FieldElement{0x8, 0x0, 0x1FFFFC00, 0x1FFF, 0x0, 0x0, 0x0, 0x8000000, 0x0}, - sm2P256FieldElement{0xA, 0x0, 0x1FFFFB00, 0x27FF, 0x0, 0x0, 0x0, 0xA000000, 0x0}, - sm2P256FieldElement{0xC, 0x0, 0x1FFFFA00, 0x2FFF, 0x0, 0x0, 0x0, 0xC000000, 0x0}, - sm2P256FieldElement{0xE, 0x0, 0x1FFFF900, 0x37FF, 0x0, 0x0, 0x0, 0xE000000, 0x0}, - sm2P256FieldElement{0x10, 0x0, 0x1FFFF800, 0x3FFF, 0x0, 0x0, 0x0, 0x0, 0x01}, -} - -func sm2P256Scalar(b *sm2P256FieldElement, a int) { - sm2P256Mul(b, b, &sm2P256Factor[a]) -} - -// (x3, y3, z3) = (x1, y1, z1) + (x2, y2, z2) -func sm2P256PointAdd(x1, y1, z1, x2, y2, z2, x3, y3, z3 *sm2P256FieldElement) { - var u1, u2, z22, z12, z23, z13, s1, s2, h, h2, r, r2, tm sm2P256FieldElement - - if sm2P256ToBig(z1).Sign() == 0 { - sm2P256Dup(x3, x2) - sm2P256Dup(y3, y2) - sm2P256Dup(z3, z2) - return - } - - if sm2P256ToBig(z2).Sign() == 0 { - sm2P256Dup(x3, x1) - sm2P256Dup(y3, y1) - sm2P256Dup(z3, z1) - return - } - - sm2P256Square(&z12, z1) // z12 = z1 ^ 2 - sm2P256Square(&z22, z2) // z22 = z2 ^ 2 - - sm2P256Mul(&z13, &z12, z1) // z13 = z1 ^ 3 - sm2P256Mul(&z23, &z22, z2) // z23 = z2 ^ 3 - - sm2P256Mul(&u1, x1, &z22) // u1 = x1 * z2 ^ 2 - sm2P256Mul(&u2, x2, &z12) // u2 = x2 * z1 ^ 2 - - sm2P256Mul(&s1, y1, &z23) // s1 = y1 * z2 ^ 3 - sm2P256Mul(&s2, y2, &z13) // s2 = y2 * z1 ^ 3 - - if sm2P256ToBig(&u1).Cmp(sm2P256ToBig(&u2)) == 0 && - sm2P256ToBig(&s1).Cmp(sm2P256ToBig(&s2)) == 0 { - sm2P256PointDouble(x1, y1, z1, x1, y1, z1) - } - - sm2P256Sub(&h, &u2, &u1) // h = u2 - u1 - sm2P256Sub(&r, &s2, &s1) // r = s2 - s1 - - sm2P256Square(&r2, &r) // r2 = r ^ 2 - sm2P256Square(&h2, &h) // h2 = h ^ 2 - - sm2P256Mul(&tm, &h2, &h) // tm = h ^ 3 - sm2P256Sub(x3, &r2, &tm) - sm2P256Mul(&tm, &u1, &h2) - sm2P256Scalar(&tm, 2) // tm = 2 * (u1 * h ^ 2) - sm2P256Sub(x3, x3, &tm) // x3 = r ^ 2 - h ^ 3 - 2 * u1 * h ^ 2 - - sm2P256Mul(&tm, &u1, &h2) // tm = u1 * h ^ 2 - sm2P256Sub(&tm, &tm, x3) // tm = u1 * h ^ 2 - x3 - sm2P256Mul(y3, &r, &tm) - sm2P256Mul(&tm, &h2, &h) // tm = h ^ 3 - sm2P256Mul(&tm, &tm, &s1) // tm = s1 * h ^ 3 - sm2P256Sub(y3, y3, &tm) // y3 = r * (u1 * h ^ 2 - x3) - s1 * h ^ 3 - - sm2P256Mul(z3, z1, z2) - sm2P256Mul(z3, z3, &h) // z3 = z1 * z3 * h -} - -func sm2P256PointDouble(x3, y3, z3, x, y, z *sm2P256FieldElement) { - var s, m, m2, x2, y2, z2, z4, y4, az4 sm2P256FieldElement - - sm2P256Square(&x2, x) // x2 = x ^ 2 - sm2P256Square(&y2, y) // y2 = y ^ 2 - sm2P256Square(&z2, z) // z2 = z ^ 2 - - sm2P256Square(&z4, z) // z4 = z ^ 2 - sm2P256Mul(&z4, &z4, z) // z4 = z ^ 3 - sm2P256Mul(&z4, &z4, z) // z4 = z ^ 4 - - sm2P256Square(&y4, y) // y4 = y ^ 2 - sm2P256Mul(&y4, &y4, y) // y4 = y ^ 3 - sm2P256Mul(&y4, &y4, y) // y4 = y ^ 4 - sm2P256Scalar(&y4, 8) // y4 = 8 * y ^ 4 - - sm2P256Mul(&s, x, &y2) - sm2P256Scalar(&s, 4) // s = 4 * x * y ^ 2 - - sm2P256Dup(&m, &x2) - sm2P256Scalar(&m, 3) - sm2P256Mul(&az4, &sm2P256.a, &z4) - sm2P256Add(&m, &m, &az4) // m = 3 * x ^ 2 + a * z ^ 4 - - sm2P256Square(&m2, &m) // m2 = m ^ 2 - - sm2P256Add(z3, y, z) - sm2P256Square(z3, z3) - sm2P256Sub(z3, z3, &z2) - sm2P256Sub(z3, z3, &y2) // z' = (y + z) ^2 - z ^ 2 - y ^ 2 - - sm2P256Sub(x3, &m2, &s) - sm2P256Sub(x3, x3, &s) // x' = m2 - 2 * s - - sm2P256Sub(y3, &s, x3) - sm2P256Mul(y3, y3, &m) - sm2P256Sub(y3, y3, &y4) // y' = m * (s - x') - 8 * y ^ 4 -} - -// p256Zero31 is 0 mod p. -var sm2P256Zero31 = sm2P256FieldElement{0x7FFFFFF8, 0x3FFFFFFC, 0x800003FC, 0x3FFFDFFC, 0x7FFFFFFC, 0x3FFFFFFC, 0x7FFFFFFC, 0x37FFFFFC, 0x7FFFFFFC} - -// c = a + b -func sm2P256Add(c, a, b *sm2P256FieldElement) { - carry := uint32(0) - for i := 0; ; i++ { - c[i] = a[i] + b[i] - c[i] += carry - carry = c[i] >> 29 - c[i] &= bottom29Bits - i++ - if i == 9 { - break - } - c[i] = a[i] + b[i] - c[i] += carry - carry = c[i] >> 28 - c[i] &= bottom28Bits - } - sm2P256ReduceCarry(c, carry) -} - -// c = a - b -func sm2P256Sub(c, a, b *sm2P256FieldElement) { - var carry uint32 - - for i := 0; ; i++ { - c[i] = a[i] - b[i] - c[i] += sm2P256Zero31[i] - c[i] += carry - carry = c[i] >> 29 - c[i] &= bottom29Bits - i++ - if i == 9 { - break - } - c[i] = a[i] - b[i] - c[i] += sm2P256Zero31[i] - c[i] += carry - carry = c[i] >> 28 - c[i] &= bottom28Bits - } - sm2P256ReduceCarry(c, carry) -} - -// c = a * b -func sm2P256Mul(c, a, b *sm2P256FieldElement) { - var tmp sm2P256LargeFieldElement - - tmp[0] = uint64(a[0]) * uint64(b[0]) - tmp[1] = uint64(a[0])*(uint64(b[1])<<0) + - uint64(a[1])*(uint64(b[0])<<0) - tmp[2] = uint64(a[0])*(uint64(b[2])<<0) + - uint64(a[1])*(uint64(b[1])<<1) + - uint64(a[2])*(uint64(b[0])<<0) - tmp[3] = uint64(a[0])*(uint64(b[3])<<0) + - uint64(a[1])*(uint64(b[2])<<0) + - uint64(a[2])*(uint64(b[1])<<0) + - uint64(a[3])*(uint64(b[0])<<0) - tmp[4] = uint64(a[0])*(uint64(b[4])<<0) + - uint64(a[1])*(uint64(b[3])<<1) + - uint64(a[2])*(uint64(b[2])<<0) + - uint64(a[3])*(uint64(b[1])<<1) + - uint64(a[4])*(uint64(b[0])<<0) - tmp[5] = uint64(a[0])*(uint64(b[5])<<0) + - uint64(a[1])*(uint64(b[4])<<0) + - uint64(a[2])*(uint64(b[3])<<0) + - uint64(a[3])*(uint64(b[2])<<0) + - uint64(a[4])*(uint64(b[1])<<0) + - uint64(a[5])*(uint64(b[0])<<0) - tmp[6] = uint64(a[0])*(uint64(b[6])<<0) + - uint64(a[1])*(uint64(b[5])<<1) + - uint64(a[2])*(uint64(b[4])<<0) + - uint64(a[3])*(uint64(b[3])<<1) + - uint64(a[4])*(uint64(b[2])<<0) + - uint64(a[5])*(uint64(b[1])<<1) + - uint64(a[6])*(uint64(b[0])<<0) - tmp[7] = uint64(a[0])*(uint64(b[7])<<0) + - uint64(a[1])*(uint64(b[6])<<0) + - uint64(a[2])*(uint64(b[5])<<0) + - uint64(a[3])*(uint64(b[4])<<0) + - uint64(a[4])*(uint64(b[3])<<0) + - uint64(a[5])*(uint64(b[2])<<0) + - uint64(a[6])*(uint64(b[1])<<0) + - uint64(a[7])*(uint64(b[0])<<0) - // tmp[8] has the greatest value but doesn't overflow. See logic in - // p256Square. - tmp[8] = uint64(a[0])*(uint64(b[8])<<0) + - uint64(a[1])*(uint64(b[7])<<1) + - uint64(a[2])*(uint64(b[6])<<0) + - uint64(a[3])*(uint64(b[5])<<1) + - uint64(a[4])*(uint64(b[4])<<0) + - uint64(a[5])*(uint64(b[3])<<1) + - uint64(a[6])*(uint64(b[2])<<0) + - uint64(a[7])*(uint64(b[1])<<1) + - uint64(a[8])*(uint64(b[0])<<0) - tmp[9] = uint64(a[1])*(uint64(b[8])<<0) + - uint64(a[2])*(uint64(b[7])<<0) + - uint64(a[3])*(uint64(b[6])<<0) + - uint64(a[4])*(uint64(b[5])<<0) + - uint64(a[5])*(uint64(b[4])<<0) + - uint64(a[6])*(uint64(b[3])<<0) + - uint64(a[7])*(uint64(b[2])<<0) + - uint64(a[8])*(uint64(b[1])<<0) - tmp[10] = uint64(a[2])*(uint64(b[8])<<0) + - uint64(a[3])*(uint64(b[7])<<1) + - uint64(a[4])*(uint64(b[6])<<0) + - uint64(a[5])*(uint64(b[5])<<1) + - uint64(a[6])*(uint64(b[4])<<0) + - uint64(a[7])*(uint64(b[3])<<1) + - uint64(a[8])*(uint64(b[2])<<0) - tmp[11] = uint64(a[3])*(uint64(b[8])<<0) + - uint64(a[4])*(uint64(b[7])<<0) + - uint64(a[5])*(uint64(b[6])<<0) + - uint64(a[6])*(uint64(b[5])<<0) + - uint64(a[7])*(uint64(b[4])<<0) + - uint64(a[8])*(uint64(b[3])<<0) - tmp[12] = uint64(a[4])*(uint64(b[8])<<0) + - uint64(a[5])*(uint64(b[7])<<1) + - uint64(a[6])*(uint64(b[6])<<0) + - uint64(a[7])*(uint64(b[5])<<1) + - uint64(a[8])*(uint64(b[4])<<0) - tmp[13] = uint64(a[5])*(uint64(b[8])<<0) + - uint64(a[6])*(uint64(b[7])<<0) + - uint64(a[7])*(uint64(b[6])<<0) + - uint64(a[8])*(uint64(b[5])<<0) - tmp[14] = uint64(a[6])*(uint64(b[8])<<0) + - uint64(a[7])*(uint64(b[7])<<1) + - uint64(a[8])*(uint64(b[6])<<0) - tmp[15] = uint64(a[7])*(uint64(b[8])<<0) + - uint64(a[8])*(uint64(b[7])<<0) - tmp[16] = uint64(a[8]) * (uint64(b[8]) << 0) - sm2P256ReduceDegree(c, &tmp) -} - -// b = a * a -func sm2P256Square(b, a *sm2P256FieldElement) { - var tmp sm2P256LargeFieldElement - - tmp[0] = uint64(a[0]) * uint64(a[0]) - tmp[1] = uint64(a[0]) * (uint64(a[1]) << 1) - tmp[2] = uint64(a[0])*(uint64(a[2])<<1) + - uint64(a[1])*(uint64(a[1])<<1) - tmp[3] = uint64(a[0])*(uint64(a[3])<<1) + - uint64(a[1])*(uint64(a[2])<<1) - tmp[4] = uint64(a[0])*(uint64(a[4])<<1) + - uint64(a[1])*(uint64(a[3])<<2) + - uint64(a[2])*uint64(a[2]) - tmp[5] = uint64(a[0])*(uint64(a[5])<<1) + - uint64(a[1])*(uint64(a[4])<<1) + - uint64(a[2])*(uint64(a[3])<<1) - tmp[6] = uint64(a[0])*(uint64(a[6])<<1) + - uint64(a[1])*(uint64(a[5])<<2) + - uint64(a[2])*(uint64(a[4])<<1) + - uint64(a[3])*(uint64(a[3])<<1) - tmp[7] = uint64(a[0])*(uint64(a[7])<<1) + - uint64(a[1])*(uint64(a[6])<<1) + - uint64(a[2])*(uint64(a[5])<<1) + - uint64(a[3])*(uint64(a[4])<<1) - // tmp[8] has the greatest value of 2**61 + 2**60 + 2**61 + 2**60 + 2**60, - // which is < 2**64 as required. - tmp[8] = uint64(a[0])*(uint64(a[8])<<1) + - uint64(a[1])*(uint64(a[7])<<2) + - uint64(a[2])*(uint64(a[6])<<1) + - uint64(a[3])*(uint64(a[5])<<2) + - uint64(a[4])*uint64(a[4]) - tmp[9] = uint64(a[1])*(uint64(a[8])<<1) + - uint64(a[2])*(uint64(a[7])<<1) + - uint64(a[3])*(uint64(a[6])<<1) + - uint64(a[4])*(uint64(a[5])<<1) - tmp[10] = uint64(a[2])*(uint64(a[8])<<1) + - uint64(a[3])*(uint64(a[7])<<2) + - uint64(a[4])*(uint64(a[6])<<1) + - uint64(a[5])*(uint64(a[5])<<1) - tmp[11] = uint64(a[3])*(uint64(a[8])<<1) + - uint64(a[4])*(uint64(a[7])<<1) + - uint64(a[5])*(uint64(a[6])<<1) - tmp[12] = uint64(a[4])*(uint64(a[8])<<1) + - uint64(a[5])*(uint64(a[7])<<2) + - uint64(a[6])*uint64(a[6]) - tmp[13] = uint64(a[5])*(uint64(a[8])<<1) + - uint64(a[6])*(uint64(a[7])<<1) - tmp[14] = uint64(a[6])*(uint64(a[8])<<1) + - uint64(a[7])*(uint64(a[7])<<1) - tmp[15] = uint64(a[7]) * (uint64(a[8]) << 1) - tmp[16] = uint64(a[8]) * uint64(a[8]) - sm2P256ReduceDegree(b, &tmp) -} - -// nonZeroToAllOnes returns: -// 0xffffffff for 0 < x <= 2**31 -// 0 for x == 0 or x > 2**31. -func nonZeroToAllOnes(x uint32) uint32 { - return ((x - 1) >> 31) - 1 -} - -var sm2P256Carry = [8 * 9]uint32{ - 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, - 0x2, 0x0, 0x1FFFFF00, 0x7FF, 0x0, 0x0, 0x0, 0x2000000, 0x0, - 0x4, 0x0, 0x1FFFFE00, 0xFFF, 0x0, 0x0, 0x0, 0x4000000, 0x0, - 0x6, 0x0, 0x1FFFFD00, 0x17FF, 0x0, 0x0, 0x0, 0x6000000, 0x0, - 0x8, 0x0, 0x1FFFFC00, 0x1FFF, 0x0, 0x0, 0x0, 0x8000000, 0x0, - 0xA, 0x0, 0x1FFFFB00, 0x27FF, 0x0, 0x0, 0x0, 0xA000000, 0x0, - 0xC, 0x0, 0x1FFFFA00, 0x2FFF, 0x0, 0x0, 0x0, 0xC000000, 0x0, - 0xE, 0x0, 0x1FFFF900, 0x37FF, 0x0, 0x0, 0x0, 0xE000000, 0x0, -} - -// carry < 2 ^ 3 -func sm2P256ReduceCarry(a *sm2P256FieldElement, carry uint32) { - a[0] += sm2P256Carry[carry*9+0] - a[2] += sm2P256Carry[carry*9+2] - a[3] += sm2P256Carry[carry*9+3] - a[7] += sm2P256Carry[carry*9+7] -} - -// 这代码真是丑比了，我也是对自己醉了。。。 -// 你最好别改这个代码，不然你会死的很惨。。 -func sm2P256ReduceDegree(a *sm2P256FieldElement, b *sm2P256LargeFieldElement) { - var tmp [18]uint32 - var carry, x, xMask uint32 - - // tmp - // 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 ... - // 29 | 28 | 29 | 28 | 29 | 28 | 29 | 28 | 29 | 28 | 29 ... - tmp[0] = uint32(b[0]) & bottom29Bits - tmp[1] = uint32(b[0]) >> 29 - tmp[1] |= (uint32(b[0]>>32) << 3) & bottom28Bits - tmp[1] += uint32(b[1]) & bottom28Bits - carry = tmp[1] >> 28 - tmp[1] &= bottom28Bits - for i := 2; i < 17; i++ { - tmp[i] = (uint32(b[i-2] >> 32)) >> 25 - tmp[i] += (uint32(b[i-1])) >> 28 - tmp[i] += (uint32(b[i-1]>>32) << 4) & bottom29Bits - tmp[i] += uint32(b[i]) & bottom29Bits - tmp[i] += carry - carry = tmp[i] >> 29 - tmp[i] &= bottom29Bits - - i++ - if i == 17 { - break - } - tmp[i] = uint32(b[i-2]>>32) >> 25 - tmp[i] += uint32(b[i-1]) >> 29 - tmp[i] += ((uint32(b[i-1] >> 32)) << 3) & bottom28Bits - tmp[i] += uint32(b[i]) & bottom28Bits - tmp[i] += carry - carry = tmp[i] >> 28 - tmp[i] &= bottom28Bits - } - tmp[17] = uint32(b[15]>>32) >> 25 - tmp[17] += uint32(b[16]) >> 29 - tmp[17] += uint32(b[16]>>32) << 3 - tmp[17] += carry - - for i := 0; ; i += 2 { - - tmp[i+1] += tmp[i] >> 29 - x = tmp[i] & bottom29Bits - tmp[i] = 0 - if x > 0 { - set4 := uint32(0) - set7 := uint32(0) - xMask = nonZeroToAllOnes(x) - tmp[i+2] += (x << 7) & bottom29Bits - tmp[i+3] += x >> 22 - if tmp[i+3] < 0x10000000 { - set4 = 1 - tmp[i+3] += 0x10000000 & xMask - tmp[i+3] -= (x << 10) & bottom28Bits - } else { - tmp[i+3] -= (x << 10) & bottom28Bits - } - if tmp[i+4] < 0x20000000 { - tmp[i+4] += 0x20000000 & xMask - tmp[i+4] -= set4 // 借位 - tmp[i+4] -= x >> 18 - if tmp[i+5] < 0x10000000 { - tmp[i+5] += 0x10000000 & xMask - tmp[i+5] -= 1 // 借位 - if tmp[i+6] < 0x20000000 { - set7 = 1 - tmp[i+6] += 0x20000000 & xMask - tmp[i+6] -= 1 // 借位 - } else { - tmp[i+6] -= 1 // 借位 - } - } else { - tmp[i+5] -= 1 - } - } else { - tmp[i+4] -= set4 // 借位 - tmp[i+4] -= x >> 18 - } - if tmp[i+7] < 0x10000000 { - tmp[i+7] += 0x10000000 & xMask - tmp[i+7] -= set7 - tmp[i+7] -= (x << 24) & bottom28Bits - tmp[i+8] += (x << 28) & bottom29Bits - if tmp[i+8] < 0x20000000 { - tmp[i+8] += 0x20000000 & xMask - tmp[i+8] -= 1 - tmp[i+8] -= x >> 4 - tmp[i+9] += ((x >> 1) - 1) & xMask - } else { - tmp[i+8] -= 1 - tmp[i+8] -= x >> 4 - tmp[i+9] += (x >> 1) & xMask - } - } else { - tmp[i+7] -= set7 // 借位 - tmp[i+7] -= (x << 24) & bottom28Bits - tmp[i+8] += (x << 28) & bottom29Bits - if tmp[i+8] < 0x20000000 { - tmp[i+8] += 0x20000000 & xMask - tmp[i+8] -= x >> 4 - tmp[i+9] += ((x >> 1) - 1) & xMask - } else { - tmp[i+8] -= x >> 4 - tmp[i+9] += (x >> 1) & xMask - } - } - - } - - if i+1 == 9 { - break - } - - tmp[i+2] += tmp[i+1] >> 28 - x = tmp[i+1] & bottom28Bits - tmp[i+1] = 0 - if x > 0 { - set5 := uint32(0) - set8 := uint32(0) - set9 := uint32(0) - xMask = nonZeroToAllOnes(x) - tmp[i+3] += (x << 7) & bottom28Bits - tmp[i+4] += x >> 21 - if tmp[i+4] < 0x20000000 { - set5 = 1 - tmp[i+4] += 0x20000000 & xMask - tmp[i+4] -= (x << 11) & bottom29Bits - } else { - tmp[i+4] -= (x << 11) & bottom29Bits - } - if tmp[i+5] < 0x10000000 { - tmp[i+5] += 0x10000000 & xMask - tmp[i+5] -= set5 // 借位 - tmp[i+5] -= x >> 18 - if tmp[i+6] < 0x20000000 { - tmp[i+6] += 0x20000000 & xMask - tmp[i+6] -= 1 // 借位 - if tmp[i+7] < 0x10000000 { - set8 = 1 - tmp[i+7] += 0x10000000 & xMask - tmp[i+7] -= 1 // 借位 - } else { - tmp[i+7] -= 1 // 借位 - } - } else { - tmp[i+6] -= 1 // 借位 - } - } else { - tmp[i+5] -= set5 // 借位 - tmp[i+5] -= x >> 18 - } - if tmp[i+8] < 0x20000000 { - set9 = 1 - tmp[i+8] += 0x20000000 & xMask - tmp[i+8] -= set8 - tmp[i+8] -= (x << 25) & bottom29Bits - } else { - tmp[i+8] -= set8 - tmp[i+8] -= (x << 25) & bottom29Bits - } - if tmp[i+9] < 0x10000000 { - tmp[i+9] += 0x10000000 & xMask - tmp[i+9] -= set9 // 借位 - tmp[i+9] -= x >> 4 - tmp[i+10] += (x - 1) & xMask - } else { - tmp[i+9] -= set9 // 借位 - tmp[i+9] -= x >> 4 - tmp[i+10] += x & xMask - } - } - } - - carry = uint32(0) - for i := 0; i < 8; i++ { - a[i] = tmp[i+9] - a[i] += carry - a[i] += (tmp[i+10] << 28) & bottom29Bits - carry = a[i] >> 29 - a[i] &= bottom29Bits - - i++ - a[i] = tmp[i+9] >> 1 - a[i] += carry - carry = a[i] >> 28 - a[i] &= bottom28Bits - } - a[8] = tmp[17] - a[8] += carry - carry = a[8] >> 29 - a[8] &= bottom29Bits - sm2P256ReduceCarry(a, carry) -} - -// b = a -func sm2P256Dup(b, a *sm2P256FieldElement) { - *b = *a -} - -// X = a * R mod P -func sm2P256FromBig(X *sm2P256FieldElement, a *big.Int) { - x := new(big.Int).Lsh(a, 257) - x.Mod(x, sm2P256.P) - for i := 0; i < 9; i++ { - if bits := x.Bits(); len(bits) > 0 { - X[i] = uint32(bits[0]) & bottom29Bits - } else { - X[i] = 0 - } - x.Rsh(x, 29) - i++ - if i == 9 { - break - } - if bits := x.Bits(); len(bits) > 0 { - X[i] = uint32(bits[0]) & bottom28Bits - } else { - X[i] = 0 - } - x.Rsh(x, 28) - } -} - -// X = r * R mod P -// r = X * R' mod P -func sm2P256ToBig(X *sm2P256FieldElement) *big.Int { - r, tm := new(big.Int), new(big.Int) - r.SetInt64(int64(X[8])) - for i := 7; i >= 0; i-- { - if (i & 1) == 0 { - r.Lsh(r, 29) - } else { - r.Lsh(r, 28) - } - tm.SetInt64(int64(X[i])) - r.Add(r, tm) - } - r.Mul(r, sm2P256.RInverse) - r.Mod(r, sm2P256.P) - return r -} diff --git a/vendor/github.com/bytom/crypto/sm2/pkcs1.go b/vendor/github.com/bytom/crypto/sm2/pkcs1.go deleted file mode 100644 index e1cc478a..00000000 --- a/vendor/github.com/bytom/crypto/sm2/pkcs1.go +++ /dev/null @@ -1,117 +0,0 @@ -package sm2 - -import ( - "crypto/rsa" - "encoding/asn1" - "errors" - "math/big" -) - -// pkcs1PrivateKey is a structure which mirrors the PKCS#1 ASN.1 for an RSA private key. -type pkcs1PrivateKey struct { - Version int - N *big.Int - E int - D *big.Int - P *big.Int - Q *big.Int - // We ignore these values, if present, because rsa will calculate them. - Dp *big.Int `asn1:"optional"` - Dq *big.Int `asn1:"optional"` - Qinv *big.Int `asn1:"optional"` - - AdditionalPrimes []pkcs1AdditionalRSAPrime `asn1:"optional,omitempty"` -} - -type pkcs1AdditionalRSAPrime struct { - Prime *big.Int - - // We ignore these values because rsa will calculate them. - Exp *big.Int - Coeff *big.Int -} - -// ParsePKCS1PrivateKey returns an RSA private key from its ASN.1 PKCS#1 DER encoded form. -func ParsePKCS1PrivateKey(der []byte) (*rsa.PrivateKey, error) { - var priv pkcs1PrivateKey - rest, err := asn1.Unmarshal(der, &priv) - if len(rest) > 0 { - return nil, asn1.SyntaxError{Msg: "trailing data"} - } - if err != nil { - return nil, err - } - - if priv.Version > 1 { - return nil, errors.New("x509: unsupported private key version") - } - - if priv.N.Sign() <= 0 || priv.D.Sign() <= 0 || priv.P.Sign() <= 0 || priv.Q.Sign() <= 0 { - return nil, errors.New("x509: private key contains zero or negative value") - } - - key := new(rsa.PrivateKey) - key.PublicKey = rsa.PublicKey{ - E: priv.E, - N: priv.N, - } - - key.D = priv.D - key.Primes = make([]*big.Int, 2+len(priv.AdditionalPrimes)) - key.Primes[0] = priv.P - key.Primes[1] = priv.Q - for i, a := range priv.AdditionalPrimes { - if a.Prime.Sign() <= 0 { - return nil, errors.New("x509: private key contains zero or negative prime") - } - key.Primes[i+2] = a.Prime - // We ignore the other two values because rsa will calculate - // them as needed. - } - - err = key.Validate() - if err != nil { - return nil, err - } - key.Precompute() - - return key, nil -} - -// MarshalPKCS1PrivateKey converts a private key to ASN.1 DER encoded form. -func MarshalPKCS1PrivateKey(key *rsa.PrivateKey) []byte { - key.Precompute() - - version := 0 - if len(key.Primes) > 2 { - version = 1 - } - - priv := pkcs1PrivateKey{ - Version: version, - N: key.N, - E: key.PublicKey.E, - D: key.D, - P: key.Primes[0], - Q: key.Primes[1], - Dp: key.Precomputed.Dp, - Dq: key.Precomputed.Dq, - Qinv: key.Precomputed.Qinv, - } - - priv.AdditionalPrimes = make([]pkcs1AdditionalRSAPrime, len(key.Precomputed.CRTValues)) - for i, values := range key.Precomputed.CRTValues { - priv.AdditionalPrimes[i].Prime = key.Primes[2+i] - priv.AdditionalPrimes[i].Exp = values.Exp - priv.AdditionalPrimes[i].Coeff = values.Coeff - } - - b, _ := asn1.Marshal(priv) - return b -} - -// rsaPublicKey reflects the ASN.1 structure of a PKCS#1 public key. -type rsaPublicKey struct { - N *big.Int - E int -} diff --git a/vendor/github.com/bytom/crypto/sm2/pkcs8.go b/vendor/github.com/bytom/crypto/sm2/pkcs8.go deleted file mode 100644 index 22342af1..00000000 --- a/vendor/github.com/bytom/crypto/sm2/pkcs8.go +++ /dev/null @@ -1,473 +0,0 @@ -package sm2 - -import ( - "crypto/aes" - "crypto/cipher" - "crypto/elliptic" - "crypto/hmac" - "crypto/md5" - "crypto/rand" - "crypto/sha1" - "crypto/sha256" - "crypto/sha512" - "crypto/x509/pkix" - "encoding/asn1" - "encoding/pem" - "errors" - "hash" - "io/ioutil" - "math/big" - "os" - "reflect" -) - -/* - * reference to RFC5959 and RFC2898 - */ - -var ( - oidPBES1 = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 5, 3} // pbeWithMD5AndDES-CBC(PBES1) - oidPBES2 = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 5, 13} // id-PBES2(PBES2) - oidPBKDF2 = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 5, 12} // id-PBKDF2 - - oidKEYMD5 = asn1.ObjectIdentifier{1, 2, 840, 113549, 2, 5} - oidKEYSHA1 = asn1.ObjectIdentifier{1, 2, 840, 113549, 2, 7} - oidKEYSHA256 = asn1.ObjectIdentifier{1, 2, 840, 113549, 2, 9} - oidKEYSHA512 = asn1.ObjectIdentifier{1, 2, 840, 113549, 2, 11} - - oidAES128CBC = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 1, 2} - oidAES256CBC = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 1, 42} - - oidSM2 = asn1.ObjectIdentifier{1, 2, 840, 10045, 2, 1} -) - -// reference to https://www.rfc-editor.org/rfc/rfc5958.txt -type PrivateKeyInfo struct { - Version int // v1 or v2 - PrivateKeyAlgorithm []asn1.ObjectIdentifier - PrivateKey []byte -} - -// reference to https://www.rfc-editor.org/rfc/rfc5958.txt -type EncryptedPrivateKeyInfo struct { - EncryptionAlgorithm Pbes2Algorithms - EncryptedData []byte -} - -// reference to https://www.ietf.org/rfc/rfc2898.txt -type Pbes2Algorithms struct { - IdPBES2 asn1.ObjectIdentifier - Pbes2Params Pbes2Params -} - -// reference to https://www.ietf.org/rfc/rfc2898.txt -type Pbes2Params struct { - KeyDerivationFunc Pbes2KDfs // PBES2-KDFs - EncryptionScheme Pbes2Encs // PBES2-Encs -} - -// reference to https://www.ietf.org/rfc/rfc2898.txt -type Pbes2KDfs struct { - IdPBKDF2 asn1.ObjectIdentifier - Pkdf2Params Pkdf2Params -} - -type Pbes2Encs struct { - EncryAlgo asn1.ObjectIdentifier - IV []byte -} - -// reference to https://www.ietf.org/rfc/rfc2898.txt -type Pkdf2Params struct { - Salt []byte - IterationCount int - Prf pkix.AlgorithmIdentifier -} - -type sm2PrivateKey struct { - Version int - PrivateKey []byte - NamedCurveOID asn1.ObjectIdentifier `asn1:"optional,explicit,tag:0"` - PublicKey asn1.BitString `asn1:"optional,explicit,tag:1"` -} - -type pkcs8 struct { - Version int - Algo pkix.AlgorithmIdentifier - PrivateKey []byte -} - -// copy from crypto/pbkdf2.go -func pbkdf(password, salt []byte, iter, keyLen int, h func() hash.Hash) []byte { - prf := hmac.New(h, password) - hashLen := prf.Size() - numBlocks := (keyLen + hashLen - 1) / hashLen - - var buf [4]byte - dk := make([]byte, 0, numBlocks*hashLen) - U := make([]byte, hashLen) - for block := 1; block <= numBlocks; block++ { - // N.B.: || means concatenation, ^ means XOR - // for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter - // U_1 = PRF(password, salt || uint(i)) - prf.Reset() - prf.Write(salt) - buf[0] = byte(block >> 24) - buf[1] = byte(block >> 16) - buf[2] = byte(block >> 8) - buf[3] = byte(block) - prf.Write(buf[:4]) - dk = prf.Sum(dk) - T := dk[len(dk)-hashLen:] - copy(U, T) - - // U_n = PRF(password, U_(n-1)) - for n := 2; n <= iter; n++ { - prf.Reset() - prf.Write(U) - U = U[:0] - U = prf.Sum(U) - for x := range U { - T[x] ^= U[x] - } - } - } - return dk[:keyLen] -} - -func ParseSm2PublicKey(der []byte) (*PublicKey, error) { - var pubkey pkixPublicKey - - if _, err := asn1.Unmarshal(der, &pubkey); err != nil { - return nil, err - } - if !reflect.DeepEqual(pubkey.Algo.Algorithm, oidSM2) { - return nil, errors.New("x509: not sm2 elliptic curve") - } - curve := P256Sm2() - x, y := elliptic.Unmarshal(curve, pubkey.BitString.Bytes) - pub := PublicKey{ - Curve: curve, - X: x, - Y: y, - } - return &pub, nil -} - -func MarshalSm2PublicKey(key *PublicKey) ([]byte, error) { - var r pkixPublicKey - var algo pkix.AlgorithmIdentifier - - algo.Algorithm = oidSM2 - algo.Parameters.Class = 0 - algo.Parameters.Tag = 6 - algo.Parameters.IsCompound = false - algo.Parameters.FullBytes = []byte{6, 8, 42, 129, 28, 207, 85, 1, 130, 45} // asn1.Marshal(asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 301}) - r.Algo = algo - r.BitString = asn1.BitString{Bytes: elliptic.Marshal(key.Curve, key.X, key.Y)} - return asn1.Marshal(r) -} - -func ParseSm2PrivateKey(der []byte) (*PrivateKey, error) { - var privKey sm2PrivateKey - - if _, err := asn1.Unmarshal(der, &privKey); err != nil { - return nil, errors.New("x509: failed to parse SM2 private key: " + err.Error()) - } - curve := P256Sm2() - k := new(big.Int).SetBytes(privKey.PrivateKey) - curveOrder := curve.Params().N - if k.Cmp(curveOrder) >= 0 { - return nil, errors.New("x509: invalid elliptic curve private key value") - } - priv := new(PrivateKey) - priv.Curve = curve - priv.D = k - privateKey := make([]byte, (curveOrder.BitLen()+7)/8) - for len(privKey.PrivateKey) > len(privateKey) { - if privKey.PrivateKey[0] != 0 { - return nil, errors.New("x509: invalid private key length") - } - privKey.PrivateKey = privKey.PrivateKey[1:] - } - copy(privateKey[len(privateKey)-len(privKey.PrivateKey):], privKey.PrivateKey) - priv.X, priv.Y = curve.ScalarBaseMult(privateKey) - return priv, nil -} - -func ParsePKCS8UnecryptedPrivateKey(der []byte) (*PrivateKey, error) { - var privKey pkcs8 - - if _, err := asn1.Unmarshal(der, &privKey); err != nil { - return nil, err - } - if !reflect.DeepEqual(privKey.Algo.Algorithm, oidSM2) { - return nil, errors.New("x509: not sm2 elliptic curve") - } - return ParseSm2PrivateKey(privKey.PrivateKey) -} - -func ParsePKCS8EcryptedPrivateKey(der, pwd []byte) (*PrivateKey, error) { - var keyInfo EncryptedPrivateKeyInfo - - _, err := asn1.Unmarshal(der, &keyInfo) - if err != nil { - return nil, errors.New("x509: unknown format") - } - if !reflect.DeepEqual(keyInfo.EncryptionAlgorithm.IdPBES2, oidPBES2) { - return nil, errors.New("x509: only support PBES2") - } - encryptionScheme := keyInfo.EncryptionAlgorithm.Pbes2Params.EncryptionScheme - keyDerivationFunc := keyInfo.EncryptionAlgorithm.Pbes2Params.KeyDerivationFunc - if !reflect.DeepEqual(keyDerivationFunc.IdPBKDF2, oidPBKDF2) { - return nil, errors.New("x509: only support PBKDF2") - } - pkdf2Params := keyDerivationFunc.Pkdf2Params - if !reflect.DeepEqual(encryptionScheme.EncryAlgo, oidAES128CBC) && - !reflect.DeepEqual(encryptionScheme.EncryAlgo, oidAES256CBC) { - return nil, errors.New("x509: unknow encryption algorithm") - } - iv := encryptionScheme.IV - salt := pkdf2Params.Salt - iter := pkdf2Params.IterationCount - encryptedKey := keyInfo.EncryptedData - var key []byte - switch { - case pkdf2Params.Prf.Algorithm.Equal(oidKEYMD5): - key = pbkdf(pwd, salt, iter, 32, md5.New) - break - case pkdf2Params.Prf.Algorithm.Equal(oidKEYSHA1): - key = pbkdf(pwd, salt, iter, 32, sha1.New) - break - case pkdf2Params.Prf.Algorithm.Equal(oidKEYSHA256): - key = pbkdf(pwd, salt, iter, 32, sha256.New) - break - case pkdf2Params.Prf.Algorithm.Equal(oidKEYSHA512): - key = pbkdf(pwd, salt, iter, 32, sha512.New) - break - default: - return nil, errors.New("x509: unknown hash algorithm") - } - block, err := aes.NewCipher(key) - if err != nil { - return nil, err - } - mode := cipher.NewCBCDecrypter(block, iv) - mode.CryptBlocks(encryptedKey, encryptedKey) - rKey, err := ParsePKCS8UnecryptedPrivateKey(encryptedKey) - if err != nil { - return nil, errors.New("pkcs8: incorrect password") - } - return rKey, nil -} - -func ParsePKCS8PrivateKey(der, pwd []byte) (*PrivateKey, error) { - if pwd == nil { - return ParsePKCS8UnecryptedPrivateKey(der) - } - return ParsePKCS8EcryptedPrivateKey(der, pwd) -} - -func MarshalSm2UnecryptedPrivateKey(key *PrivateKey) ([]byte, error) { - var r pkcs8 - var priv sm2PrivateKey - var algo pkix.AlgorithmIdentifier - - algo.Algorithm = oidSM2 - algo.Parameters.Class = 0 - algo.Parameters.Tag = 6 - algo.Parameters.IsCompound = false - algo.Parameters.FullBytes = []byte{6, 8, 42, 129, 28, 207, 85, 1, 130, 45} // asn1.Marshal(asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 301}) - priv.Version = 1 - priv.NamedCurveOID = oidNamedCurveP256SM2 - priv.PublicKey = asn1.BitString{Bytes: elliptic.Marshal(key.Curve, key.X, key.Y)} - priv.PrivateKey = key.D.Bytes() - r.Version = 0 - r.Algo = algo - r.PrivateKey, _ = asn1.Marshal(priv) - return asn1.Marshal(r) -} - -func MarshalSm2EcryptedPrivateKey(PrivKey *PrivateKey, pwd []byte) ([]byte, error) { - der, err := MarshalSm2UnecryptedPrivateKey(PrivKey) - if err != nil { - return nil, err - } - iter := 2048 - salt := make([]byte, 8) - iv := make([]byte, 16) - rand.Reader.Read(salt) - rand.Reader.Read(iv) - key := pbkdf(pwd, salt, iter, 32, sha1.New) // 默认是SHA1 - padding := aes.BlockSize - len(der)%aes.BlockSize - if padding > 0 { - n := len(der) - der = append(der, make([]byte, padding)...) - for i := 0; i < padding; i++ { - der[n+i] = byte(padding) - } - } - encryptedKey := make([]byte, len(der)) - block, err := aes.NewCipher(key) - if err != nil { - return nil, err - } - mode := cipher.NewCBCEncrypter(block, iv) - mode.CryptBlocks(encryptedKey, der) - var algorithmIdentifier pkix.AlgorithmIdentifier - algorithmIdentifier.Algorithm = oidKEYSHA1 - algorithmIdentifier.Parameters.Tag = 5 - algorithmIdentifier.Parameters.IsCompound = false - algorithmIdentifier.Parameters.FullBytes = []byte{5, 0} - keyDerivationFunc := Pbes2KDfs{ - oidPBKDF2, - Pkdf2Params{ - salt, - iter, - algorithmIdentifier, - }, - } - encryptionScheme := Pbes2Encs{ - oidAES256CBC, - iv, - } - pbes2Algorithms := Pbes2Algorithms{ - oidPBES2, - Pbes2Params{ - keyDerivationFunc, - encryptionScheme, - }, - } - encryptedPkey := EncryptedPrivateKeyInfo{ - pbes2Algorithms, - encryptedKey, - } - return asn1.Marshal(encryptedPkey) -} - -func MarshalSm2PrivateKey(key *PrivateKey, pwd []byte) ([]byte, error) { - if pwd == nil { - return MarshalSm2UnecryptedPrivateKey(key) - } - return MarshalSm2EcryptedPrivateKey(key, pwd) -} - -func ReadPrivateKeyFromMem(data []byte, pwd []byte) (*PrivateKey, error) { - var block *pem.Block - - block, _ = pem.Decode(data) - if block == nil { - return nil, errors.New("failed to decode private key") - } - priv, err := ParsePKCS8PrivateKey(block.Bytes, pwd) - return priv, err -} - -func ReadPrivateKeyFromPem(FileName string, pwd []byte) (*PrivateKey, error) { - data, err := ioutil.ReadFile(FileName) - if err != nil { - return nil, err - } - return ReadPrivateKeyFromMem(data, pwd) -} - -func WritePrivateKeytoMem(key *PrivateKey, pwd []byte) ([]byte, error) { - var block *pem.Block - - der, err := MarshalSm2PrivateKey(key, pwd) - if err != nil { - return nil, err - } - if pwd != nil { - block = &pem.Block{ - Type: "ENCRYPTED PRIVATE KEY", - Bytes: der, - } - } else { - block = &pem.Block{ - Type: "PRIVATE KEY", - Bytes: der, - } - } - return pem.EncodeToMemory(block), nil -} - -func WritePrivateKeytoPem(FileName string, key *PrivateKey, pwd []byte) (bool, error) { - var block *pem.Block - - der, err := MarshalSm2PrivateKey(key, pwd) - if err != nil { - return false, err - } - if pwd != nil { - block = &pem.Block{ - Type: "ENCRYPTED PRIVATE KEY", - Bytes: der, - } - } else { - block = &pem.Block{ - Type: "PRIVATE KEY", - Bytes: der, - } - } - file, err := os.Create(FileName) - if err != nil { - return false, err - } - defer file.Close() - err = pem.Encode(file, block) - if err != nil { - return false, err - } - return true, nil -} - -func ReadPublicKeyFromMem(data []byte, _ []byte) (*PublicKey, error) { - block, _ := pem.Decode(data) - if block == nil || block.Type != "PUBLIC KEY" { - return nil, errors.New("failed to decode public key") - } - pub, err := ParseSm2PublicKey(block.Bytes) - return pub, err -} - -func ReadPublicKeyFromPem(FileName string, pwd []byte) (*PublicKey, error) { - data, err := ioutil.ReadFile(FileName) - if err != nil { - return nil, err - } - return ReadPublicKeyFromMem(data, pwd) -} - -func WritePublicKeytoMem(key *PublicKey, _ []byte) ([]byte, error) { - der, err := MarshalSm2PublicKey(key) - if err != nil { - return nil, err - } - block := &pem.Block{ - Type: "PUBLIC KEY", - Bytes: der, - } - return pem.EncodeToMemory(block), nil -} - -func WritePublicKeytoPem(FileName string, key *PublicKey, _ []byte) (bool, error) { - der, err := MarshalSm2PublicKey(key) - if err != nil { - return false, err - } - block := &pem.Block{ - Type: "PUBLIC KEY", - Bytes: der, - } - file, err := os.Create(FileName) - defer file.Close() - if err != nil { - return false, err - } - err = pem.Encode(file, block) - if err != nil { - return false, err - } - return true, nil -} diff --git a/vendor/github.com/bytom/crypto/sm2/sm2.go b/vendor/github.com/bytom/crypto/sm2/sm2.go deleted file mode 100644 index 8339c9b6..00000000 --- a/vendor/github.com/bytom/crypto/sm2/sm2.go +++ /dev/null @@ -1,509 +0,0 @@ -package sm2 - -// reference to ecdsa -import ( - "bytes" - "crypto" - "crypto/aes" - "crypto/cipher" - "crypto/elliptic" - "crypto/rand" - "crypto/sha512" - "encoding/asn1" - "encoding/binary" - "errors" - "io" - "math/big" - - "github.com/bytom/crypto/sm3" -) - -const ( - aesIV = "IV for CTR" -) - -type PublicKey struct { - elliptic.Curve - X, Y *big.Int -} - -type PrivateKey struct { - PublicKey - D *big.Int -} - -type sm2Signature struct { - R, S *big.Int -} - -// The SM2's private key contains the public key -func (priv *PrivateKey) Public() crypto.PublicKey { - return &priv.PublicKey -} - -func SignDigitToSignData(r, s *big.Int) ([]byte, error) { - return asn1.Marshal(sm2Signature{r, s}) -} - -func SignDataToSignDigit(sign []byte) (*big.Int, *big.Int, error) { - var sm2Sign sm2Signature - - _, err := asn1.Unmarshal(sign, &sm2Sign) - if err != nil { - return nil, nil, err - } - return sm2Sign.R, sm2Sign.S, nil -} - -// sign format = 30 + len(z) + 02 + len(r) + r + 02 + len(s) + s, z being what follows its size, ie 02+len(r)+r+02+len(s)+s -func (priv *PrivateKey) Sign(rand io.Reader, msg []byte, opts crypto.SignerOpts) ([]byte, error) { - r, s, err := Sign(priv, msg) - if err != nil { - return nil, err - } - return asn1.Marshal(sm2Signature{r, s}) -} - -func (priv *PrivateKey) Decrypt(data []byte) ([]byte, error) { - return Decrypt(priv, data) -} - -func (pub *PublicKey) Verify(msg []byte, sign []byte) bool { - var sm2Sign sm2Signature - - _, err := asn1.Unmarshal(sign, &sm2Sign) - if err != nil { - return false - } - return Verify(pub, msg, sm2Sign.R, sm2Sign.S) -} - -func (pub *PublicKey) Encrypt(data []byte) ([]byte, error) { - return Encrypt(pub, data) -} - -var one = new(big.Int).SetInt64(1) - -func intToBytes(x int) []byte { - var buf = make([]byte, 4) - - binary.BigEndian.PutUint32(buf, uint32(x)) - return buf -} - -func kdf(x, y []byte, length int) ([]byte, bool) { - var c []byte - - ct := 1 - h := sm3.New() - x = append(x, y...) - for i, j := 0, (length+31)/32; i < j; i++ { - h.Reset() - h.Write(x) - h.Write(intToBytes(ct)) - hash := h.Sum(nil) - if i+1 == j && length%32 != 0 { - c = append(c, hash[:length%32]...) - } else { - c = append(c, hash...) - } - ct++ - } - for i := 0; i < length; i++ { - if c[i] != 0 { - return c, true - } - } - return c, false -} - -func randFieldElement(c elliptic.Curve, rand io.Reader) (k *big.Int, err error) { - params := c.Params() - b := make([]byte, params.BitSize/8+8) - _, err = io.ReadFull(rand, b) - if err != nil { - return - } - k = new(big.Int).SetBytes(b) - n := new(big.Int).Sub(params.N, one) - k.Mod(k, n) - k.Add(k, one) - return -} - -func GenerateKey() (*PrivateKey, error) { - c := P256Sm2() - k, err := randFieldElement(c, rand.Reader) - if err != nil { - return nil, err - } - priv := new(PrivateKey) - priv.PublicKey.Curve = c - priv.D = k - priv.PublicKey.X, priv.PublicKey.Y = c.ScalarBaseMult(k.Bytes()) - return priv, nil -} - -var errZeroParam = errors.New("zero parameter") - -func Sign(priv *PrivateKey, hash []byte) (r, s *big.Int, err error) { - entropylen := (priv.Curve.Params().BitSize + 7) / 16 - if entropylen > 32 { - entropylen = 32 - } - entropy := make([]byte, entropylen) - _, err = io.ReadFull(rand.Reader, entropy) - if err != nil { - return - } - - // Initialize an SHA-512 hash context; digest ... - md := sha512.New() - md.Write(priv.D.Bytes()) // the private key, - md.Write(entropy) // the entropy, - md.Write(hash) // and the input hash; - key := md.Sum(nil)[:32] // and compute ChopMD-256(SHA-512), - // which is an indifferentiable MAC. - - // Create an AES-CTR instance to use as a CSPRNG. - block, err := aes.NewCipher(key) - if err != nil { - return nil, nil, err - } - - // Create a CSPRNG that xors a stream of zeros with - // the output of the AES-CTR instance. - csprng := cipher.StreamReader{ - R: zeroReader, - S: cipher.NewCTR(block, []byte(aesIV)), - } - - // See [NSA] 3.4.1 - c := priv.PublicKey.Curve - N := c.Params().N - if N.Sign() == 0 { - return nil, nil, errZeroParam - } - var k *big.Int - e := new(big.Int).SetBytes(hash) - for { // 调整算法细节以实现SM2 - for { - k, err = randFieldElement(c, csprng) - if err != nil { - r = nil - return - } - r, _ = priv.Curve.ScalarBaseMult(k.Bytes()) - r.Add(r, e) - r.Mod(r, N) - if r.Sign() != 0 { - break - } - if t := new(big.Int).Add(r, k); t.Cmp(N) == 0 { - break - } - } - rD := new(big.Int).Mul(priv.D, r) - s = new(big.Int).Sub(k, rD) - d1 := new(big.Int).Add(priv.D, one) - d1Inv := new(big.Int).ModInverse(d1, N) - s.Mul(s, d1Inv) - s.Mod(s, N) - if s.Sign() != 0 { - break - } - } - return -} - -func Verify(pub *PublicKey, hash []byte, r, s *big.Int) bool { - c := pub.Curve - N := c.Params().N - - if r.Sign() <= 0 || s.Sign() <= 0 { - return false - } - if r.Cmp(N) >= 0 || s.Cmp(N) >= 0 { - return false - } - - // 调整算法细节以实现SM2 - t := new(big.Int).Add(r, s) - t.Mod(t, N) - if t.Sign() == 0 { - return false - } - - var x *big.Int - x1, y1 := c.ScalarBaseMult(s.Bytes()) - x2, y2 := c.ScalarMult(pub.X, pub.Y, t.Bytes()) - x, _ = c.Add(x1, y1, x2, y2) - - e := new(big.Int).SetBytes(hash) - x.Add(x, e) - x.Mod(x, N) - return x.Cmp(r) == 0 -} - -func Sm2Sign(priv *PrivateKey, msg, uid []byte) (r, s *big.Int, err error) { - za, err := ZA(&priv.PublicKey, uid) - if err != nil { - return nil, nil, err - } - e, err := msgHash(za, msg) - if err != nil { - return nil, nil, err - } - c := priv.PublicKey.Curve - N := c.Params().N - if N.Sign() == 0 { - return nil, nil, errZeroParam - } - var k *big.Int - for { // 调整算法细节以实现SM2 - for { - k, err = randFieldElement(c, rand.Reader) - if err != nil { - r = nil - return - } - r, _ = priv.Curve.ScalarBaseMult(k.Bytes()) - r.Add(r, e) - r.Mod(r, N) - if r.Sign() != 0 { - break - } - if t := new(big.Int).Add(r, k); t.Cmp(N) == 0 { - break - } - } - rD := new(big.Int).Mul(priv.D, r) - s = new(big.Int).Sub(k, rD) - d1 := new(big.Int).Add(priv.D, one) - d1Inv := new(big.Int).ModInverse(d1, N) - s.Mul(s, d1Inv) - s.Mod(s, N) - if s.Sign() != 0 { - break - } - } - return -} - -func Sm2Verify(pub *PublicKey, msg, uid []byte, r, s *big.Int) bool { - c := pub.Curve - N := c.Params().N - one := new(big.Int).SetInt64(1) - if r.Cmp(one) < 0 || s.Cmp(one) < 0 { - return false - } - if r.Cmp(N) >= 0 || s.Cmp(N) >= 0 { - return false - } - za, err := ZA(pub, uid) - if err != nil { - return false - } - e, err := msgHash(za, msg) - if err != nil { - return false - } - t := new(big.Int).Add(r, s) - t.Mod(t, N) - if t.Sign() == 0 { - return false - } - var x *big.Int - x1, y1 := c.ScalarBaseMult(s.Bytes()) - x2, y2 := c.ScalarMult(pub.X, pub.Y, t.Bytes()) - x, _ = c.Add(x1, y1, x2, y2) - - x.Add(x, e) - x.Mod(x, N) - return x.Cmp(r) == 0 -} - -func msgHash(za, msg []byte) (*big.Int, error) { - e := sm3.New() - e.Write(za) - e.Write(msg) - return new(big.Int).SetBytes(e.Sum(nil)[:32]), nil -} - -// ZA = H256(ENTLA || IDA || a || b || xG || yG || xA || yA) -func ZA(pub *PublicKey, uid []byte) ([]byte, error) { - za := sm3.New() - uidLen := len(uid) - if uidLen >= 8192 { - return []byte{}, errors.New("SM2: uid too large") - } - Entla := uint16(8 * uidLen) - za.Write([]byte{byte((Entla >> 8) & 0xFF)}) - za.Write([]byte{byte(Entla & 0xFF)}) - za.Write(uid) - za.Write(sm2P256ToBig(&sm2P256.a).Bytes()) - za.Write(sm2P256.B.Bytes()) - za.Write(sm2P256.Gx.Bytes()) - za.Write(sm2P256.Gy.Bytes()) - - xBuf := pub.X.Bytes() - yBuf := pub.Y.Bytes() - if n := len(xBuf); n < 32 { - xBuf = append(zeroByteSlice[:32-n], xBuf...) - } - za.Write(xBuf) - za.Write(yBuf) - return za.Sum(nil)[:32], nil -} - -// 32byte -var zeroByteSlice = []byte{ - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, 0, 0, 0, - 0, 0, 0, 0, -} - -/* - * sm2密文结构如下: - * x - * y - * hash - * CipherText - */ -func Encrypt(pub *PublicKey, data []byte) ([]byte, error) { - length := len(data) - for { - c := []byte{} - curve := pub.Curve - k, err := randFieldElement(curve, rand.Reader) - if err != nil { - return nil, err - } - x1, y1 := curve.ScalarBaseMult(k.Bytes()) - x2, y2 := curve.ScalarMult(pub.X, pub.Y, k.Bytes()) - x1Buf := x1.Bytes() - y1Buf := y1.Bytes() - x2Buf := x2.Bytes() - y2Buf := y2.Bytes() - if n := len(x1Buf); n < 32 { - x1Buf = append(zeroByteSlice[:32-n], x1Buf...) - } - if n := len(y1Buf); n < 32 { - y1Buf = append(zeroByteSlice[:32-n], y1Buf...) - } - if n := len(x2Buf); n < 32 { - x2Buf = append(zeroByteSlice[:32-n], x2Buf...) - } - if n := len(y2Buf); n < 32 { - y2Buf = append(zeroByteSlice[:32-n], y2Buf...) - } - c = append(c, x1Buf...) // x分量 - c = append(c, y1Buf...) // y分量 - tm := []byte{} - tm = append(tm, x2Buf...) - tm = append(tm, data...) - tm = append(tm, y2Buf...) - h := sm3.Sm3Sum(tm) - c = append(c, h...) - ct, ok := kdf(x2Buf, y2Buf, length) // 密文 - if !ok { - continue - } - c = append(c, ct...) - for i := 0; i < length; i++ { - c[96+i] ^= data[i] - } - return append([]byte{0x04}, c...), nil - } -} - -func Decrypt(priv *PrivateKey, data []byte) ([]byte, error) { - data = data[1:] - length := len(data) - 96 - curve := priv.Curve - x := new(big.Int).SetBytes(data[:32]) - y := new(big.Int).SetBytes(data[32:64]) - x2, y2 := curve.ScalarMult(x, y, priv.D.Bytes()) - x2Buf := x2.Bytes() - y2Buf := y2.Bytes() - if n := len(x2Buf); n < 32 { - x2Buf = append(zeroByteSlice[:32-n], x2Buf...) - } - if n := len(y2Buf); n < 32 { - y2Buf = append(zeroByteSlice[:32-n], y2Buf...) - } - c, ok := kdf(x2Buf, y2Buf, length) - if !ok { - return nil, errors.New("Decrypt: failed to decrypt") - } - for i := 0; i < length; i++ { - c[i] ^= data[i+96] - } - tm := []byte{} - tm = append(tm, x2Buf...) - tm = append(tm, c...) - tm = append(tm, y2Buf...) - h := sm3.Sm3Sum(tm) - if bytes.Compare(h, data[64:96]) != 0 { - return c, errors.New("Decrypt: failed to decrypt") - } - return c, nil -} - -type zr struct { - io.Reader -} - -func (z *zr) Read(dst []byte) (n int, err error) { - for i := range dst { - dst[i] = 0 - } - return len(dst), nil -} - -var zeroReader = &zr{} - -func getLastBit(a *big.Int) uint { - return a.Bit(0) -} - -func Compress(a *PublicKey) []byte { - buf := []byte{} - yp := getLastBit(a.Y) - buf = append(buf, a.X.Bytes()...) - if n := len(a.X.Bytes()); n < 32 { - buf = append(zeroByteSlice[:(32-n)], buf...) - } - buf = append([]byte{byte(yp)}, buf...) - return buf -} - -func Decompress(a []byte) *PublicKey { - var aa, xx, xx3 sm2P256FieldElement - - P256Sm2() - x := new(big.Int).SetBytes(a[1:]) - curve := sm2P256 - sm2P256FromBig(&xx, x) - sm2P256Square(&xx3, &xx) // x3 = x ^ 2 - sm2P256Mul(&xx3, &xx3, &xx) // x3 = x ^ 2 * x - sm2P256Mul(&aa, &curve.a, &xx) // a = a * x - sm2P256Add(&xx3, &xx3, &aa) - sm2P256Add(&xx3, &xx3, &curve.b) - - y2 := sm2P256ToBig(&xx3) - y := new(big.Int).ModSqrt(y2, sm2P256.P) - if getLastBit(y) != uint(a[0]) { - y.Sub(sm2P256.P, y) - } - return &PublicKey{ - Curve: P256Sm2(), - X: x, - Y: y, - } -} diff --git a/vendor/github.com/bytom/crypto/sm2/sm2_test.go b/vendor/github.com/bytom/crypto/sm2/sm2_test.go deleted file mode 100644 index 0820118a..00000000 --- a/vendor/github.com/bytom/crypto/sm2/sm2_test.go +++ /dev/null @@ -1,219 +0,0 @@ -/* -Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved. -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package sm2 - -import ( - "crypto/rand" - "crypto/x509/pkix" - "encoding/asn1" - "fmt" - "io/ioutil" - "log" - "math/big" - "net" - "os" - "testing" - "time" -) - -func TestSm2(t *testing.T) { - priv, err := GenerateKey() // 生成密钥对 - if err != nil { - log.Fatal(err) - } - fmt.Printf("%v\n", priv.Curve.IsOnCurve(priv.X, priv.Y)) // 验证是否为sm2的曲线 - pub := &priv.PublicKey - msg := []byte("123456") - d0, err := pub.Encrypt(msg) - if err != nil { - fmt.Printf("Error: failed to encrypt %s: %v\n", msg, err) - return - } - fmt.Printf("Cipher text = %v\n", d0) - d1, err := priv.Decrypt(d0) - if err != nil { - fmt.Printf("Error: failed to decrypt: %v\n", err) - } - fmt.Printf("clear text = %s\n", d1) - ok, err := WritePrivateKeytoPem("priv.pem", priv, nil) // 生成密钥文件 - if ok != true { - log.Fatal(err) - } - pubKey, _ := priv.Public().(*PublicKey) - ok, err = WritePublicKeytoPem("pub.pem", pubKey, nil) // 生成公钥文件 - if ok != true { - log.Fatal(err) - } - msg = []byte("test") - err = ioutil.WriteFile("ifile", msg, os.FileMode(0644)) // 生成测试文件 - if err != nil { - log.Fatal(err) - } - privKey, err := ReadPrivateKeyFromPem("priv.pem", nil) // 读取密钥 - if err != nil { - log.Fatal(err) - } - pubKey, err = ReadPublicKeyFromPem("pub.pem", nil) // 读取公钥 - if err != nil { - log.Fatal(err) - } - msg, _ = ioutil.ReadFile("ifile") // 从文件读取数据 - sign, err := privKey.Sign(rand.Reader, msg, nil) // 签名 - if err != nil { - log.Fatal(err) - } - err = ioutil.WriteFile("ofile", sign, os.FileMode(0644)) - if err != nil { - log.Fatal(err) - } - signdata, _ := ioutil.ReadFile("ofile") - ok = privKey.Verify(msg, signdata) // 密钥验证 - if ok != true { - fmt.Printf("Verify error\n") - } else { - fmt.Printf("Verify ok\n") - } - ok = pubKey.Verify(msg, signdata) // 公钥验证 - if ok != true { - fmt.Printf("Verify error\n") - } else { - fmt.Printf("Verify ok\n") - } - templateReq := CertificateRequest{ - Subject: pkix.Name{ - CommonName: "test.example.com", - Organization: []string{"Test"}, - }, - // SignatureAlgorithm: ECDSAWithSHA256, - SignatureAlgorithm: SM2WithSM3, - } - _, err = CreateCertificateRequestToPem("req.pem", &templateReq, privKey) - if err != nil { - log.Fatal(err) - } - req, err := ReadCertificateRequestFromPem("req.pem") - if err != nil { - log.Fatal(err) - } - err = req.CheckSignature() - if err != nil { - log.Fatal(err) - } else { - fmt.Printf("CheckSignature ok\n") - } - testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth} - testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}} - extraExtensionData := []byte("extra extension") - commonName := "test.example.com" - template := Certificate{ - // SerialNumber is negative to ensure that negative - // values are parsed. This is due to the prevalence of - // buggy code that produces certificates with negative - // serial numbers. - SerialNumber: big.NewInt(-1), - Subject: pkix.Name{ - CommonName: commonName, - Organization: []string{"TEST"}, - Country: []string{"China"}, - ExtraNames: []pkix.AttributeTypeAndValue{ - { - Type: []int{2, 5, 4, 42}, - Value: "Gopher", - }, - // This should override the Country, above. - { - Type: []int{2, 5, 4, 6}, - Value: "NL", - }, - }, - }, - NotBefore: time.Unix(1000, 0), - NotAfter: time.Unix(100000, 0), - - // SignatureAlgorithm: ECDSAWithSHA256, - SignatureAlgorithm: SM2WithSM3, - - SubjectKeyId: []byte{1, 2, 3, 4}, - KeyUsage: KeyUsageCertSign, - - ExtKeyUsage: testExtKeyUsage, - UnknownExtKeyUsage: testUnknownExtKeyUsage, - - BasicConstraintsValid: true, - IsCA: true, - - OCSPServer: []string{"http://ocsp.example.com"}, - IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"}, - - DNSNames: []string{"test.example.com"}, - EmailAddresses: []string{"gopher@golang.org"}, - IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, - - PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, - PermittedDNSDomains: []string{".example.com", "example.com"}, - - CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"}, - - ExtraExtensions: []pkix.Extension{ - { - Id: []int{1, 2, 3, 4}, - Value: extraExtensionData, - }, - // This extension should override the SubjectKeyId, above. - { - Id: oidExtensionSubjectKeyId, - Critical: false, - Value: []byte{0x04, 0x04, 4, 3, 2, 1}, - }, - }, - } - pubKey, _ = priv.Public().(*PublicKey) - ok, _ = CreateCertificateToPem("cert.pem", &template, &template, pubKey, privKey) - if ok != true { - fmt.Printf("failed to create cert file\n") - } - cert, err := ReadCertificateFromPem("cert.pem") - if err != nil { - fmt.Printf("failed to read cert file") - } - err = cert.CheckSignature(cert.SignatureAlgorithm, cert.RawTBSCertificate, cert.Signature) - if err != nil { - log.Fatal(err) - } else { - fmt.Printf("CheckSignature ok\n") - } -} - -func BenchmarkSM2(t *testing.B) { - t.ReportAllocs() - for i := 0; i < t.N; i++ { - priv, err := GenerateKey() // 生成密钥对 - if err != nil { - log.Fatal(err) - } - msg := []byte("test") - sign, err := priv.Sign(rand.Reader, msg, nil) // 签名 - if err != nil { - log.Fatal(err) - } - ok := priv.Verify(msg, sign) // 密钥验证 - if ok != true { - fmt.Printf("Verify error\n") - } else { - fmt.Printf("Verify ok\n") - } - } -} diff --git a/vendor/github.com/bytom/crypto/sm2/verify.go b/vendor/github.com/bytom/crypto/sm2/verify.go deleted file mode 100644 index ec23e482..00000000 --- a/vendor/github.com/bytom/crypto/sm2/verify.go +++ /dev/null @@ -1,553 +0,0 @@ -package sm2 - -import ( - "bytes" - "errors" - "fmt" - "net" - "runtime" - "strings" - "time" - "unicode/utf8" -) - -type InvalidReason int - -const ( - // NotAuthorizedToSign results when a certificate is signed by another - // which isn't marked as a CA certificate. - NotAuthorizedToSign InvalidReason = iota - // Expired results when a certificate has expired, based on the time - // given in the VerifyOptions. - Expired - // CANotAuthorizedForThisName results when an intermediate or root - // certificate has a name constraint which doesn't include the name - // being checked. - CANotAuthorizedForThisName - // TooManyIntermediates results when a path length constraint is - // violated. - TooManyIntermediates - // IncompatibleUsage results when the certificate's key usage indicates - // that it may only be used for a different purpose. - IncompatibleUsage - // NameMismatch results when the subject name of a parent certificate - // does not match the issuer name in the child. - NameMismatch -) - -// CertificateInvalidError results when an odd error occurs. Users of this -// library probably want to handle all these errors uniformly. -type CertificateInvalidError struct { - Cert *Certificate - Reason InvalidReason -} - -func (e CertificateInvalidError) Error() string { - switch e.Reason { - case NotAuthorizedToSign: - return "x509: certificate is not authorized to sign other certificates" - case Expired: - return "x509: certificate has expired or is not yet valid" - case CANotAuthorizedForThisName: - return "x509: a root or intermediate certificate is not authorized to sign in this domain" - case TooManyIntermediates: - return "x509: too many intermediates for path length constraint" - case IncompatibleUsage: - return "x509: certificate specifies an incompatible key usage" - case NameMismatch: - return "x509: issuer name does not match subject from issuing certificate" - } - return "x509: unknown error" -} - -// HostnameError results when the set of authorized names doesn't match the -// requested name. -type HostnameError struct { - Certificate *Certificate - Host string -} - -func (h HostnameError) Error() string { - c := h.Certificate - - var valid string - if ip := net.ParseIP(h.Host); ip != nil { - // Trying to validate an IP - if len(c.IPAddresses) == 0 { - return "x509: cannot validate certificate for " + h.Host + " because it doesn't contain any IP SANs" - } - for _, san := range c.IPAddresses { - if len(valid) > 0 { - valid += ", " - } - valid += san.String() - } - } else { - if len(c.DNSNames) > 0 { - valid = strings.Join(c.DNSNames, ", ") - } else { - valid = c.Subject.CommonName - } - } - - if len(valid) == 0 { - return "x509: certificate is not valid for any names, but wanted to match " + h.Host - } - return "x509: certificate is valid for " + valid + ", not " + h.Host -} - -// UnknownAuthorityError results when the certificate issuer is unknown -type UnknownAuthorityError struct { - Cert *Certificate - // hintErr contains an error that may be helpful in determining why an - // authority wasn't found. - hintErr error - // hintCert contains a possible authority certificate that was rejected - // because of the error in hintErr. - hintCert *Certificate -} - -func (e UnknownAuthorityError) Error() string { - s := "x509: certificate signed by unknown authority" - if e.hintErr != nil { - certName := e.hintCert.Subject.CommonName - if len(certName) == 0 { - if len(e.hintCert.Subject.Organization) > 0 { - certName = e.hintCert.Subject.Organization[0] - } else { - certName = "serial:" + e.hintCert.SerialNumber.String() - } - } - s += fmt.Sprintf(" (possibly because of %q while trying to verify candidate authority certificate %q)", e.hintErr, certName) - } - return s -} - -// SystemRootsError results when we fail to load the system root certificates. -type SystemRootsError struct { - Err error -} - -func (se SystemRootsError) Error() string { - msg := "x509: failed to load system roots and no roots provided" - if se.Err != nil { - return msg + "; " + se.Err.Error() - } - return msg -} - -// errNotParsed is returned when a certificate without ASN.1 contents is -// verified. Platform-specific verification needs the ASN.1 contents. -var errNotParsed = errors.New("x509: missing ASN.1 contents; use ParseCertificate") - -// VerifyOptions contains parameters for Certificate.Verify. It's a structure -// because other PKIX verification APIs have ended up needing many options. -type VerifyOptions struct { - DNSName string - Intermediates *CertPool - Roots *CertPool // if nil, the system roots are used - CurrentTime time.Time // if zero, the current time is used - // KeyUsage specifies which Extended Key Usage values are acceptable. - // An empty list means ExtKeyUsageServerAuth. Key usage is considered a - // constraint down the chain which mirrors Windows CryptoAPI behavior, - // but not the spec. To accept any key usage, include ExtKeyUsageAny. - KeyUsages []ExtKeyUsage -} - -const ( - leafCertificate = iota - intermediateCertificate - rootCertificate -) - -func matchNameConstraint(domain, constraint string) bool { - // The meaning of zero length constraints is not specified, but this - // code follows NSS and accepts them as valid for everything. - if len(constraint) == 0 { - return true - } - - if len(domain) < len(constraint) { - return false - } - - prefixLen := len(domain) - len(constraint) - if !strings.EqualFold(domain[prefixLen:], constraint) { - return false - } - - if prefixLen == 0 { - return true - } - - isSubdomain := domain[prefixLen-1] == '.' - constraintHasLeadingDot := constraint[0] == '.' - return isSubdomain != constraintHasLeadingDot -} - -// isValid performs validity checks on the c. -func (c *Certificate) isValid(certType int, currentChain []*Certificate, opts *VerifyOptions) error { - if len(currentChain) > 0 { - child := currentChain[len(currentChain)-1] - if !bytes.Equal(child.RawIssuer, c.RawSubject) { - return CertificateInvalidError{c, NameMismatch} - } - } - now := opts.CurrentTime - if now.IsZero() { - now = time.Now() - } - if now.Before(c.NotBefore) || now.After(c.NotAfter) { - return CertificateInvalidError{c, Expired} - } - if len(c.PermittedDNSDomains) > 0 { - ok := false - for _, constraint := range c.PermittedDNSDomains { - ok = matchNameConstraint(opts.DNSName, constraint) - if ok { - break - } - } - - if !ok { - return CertificateInvalidError{c, CANotAuthorizedForThisName} - } - } - - // KeyUsage status flags are ignored. From Engineering Security, Peter - // Gutmann: A European government CA marked its signing certificates as - // being valid for encryption only, but no-one noticed. Another - // European CA marked its signature keys as not being valid for - // signatures. A different CA marked its own trusted root certificate - // as being invalid for certificate signing. Another national CA - // distributed a certificate to be used to encrypt data for the - // country’s tax authority that was marked as only being usable for - // digital signatures but not for encryption. Yet another CA reversed - // the order of the bit flags in the keyUsage due to confusion over - // encoding endianness, essentially setting a random keyUsage in - // certificates that it issued. Another CA created a self-invalidating - // certificate by adding a certificate policy statement stipulating - // that the certificate had to be used strictly as specified in the - // keyUsage, and a keyUsage containing a flag indicating that the RSA - // encryption key could only be used for Diffie-Hellman key agreement. - - if certType == intermediateCertificate && (!c.BasicConstraintsValid || !c.IsCA) { - return CertificateInvalidError{c, NotAuthorizedToSign} - } - - if c.BasicConstraintsValid && c.MaxPathLen >= 0 { - numIntermediates := len(currentChain) - 1 - if numIntermediates > c.MaxPathLen { - return CertificateInvalidError{c, TooManyIntermediates} - } - } - - return nil -} - -// Verify attempts to verify c by building one or more chains from c to a -// certificate in opts.Roots, using certificates in opts.Intermediates if -// needed. If successful, it returns one or more chains where the first -// element of the chain is c and the last element is from opts.Roots. -// -// If opts.Roots is nil and system roots are unavailable the returned error -// will be of type SystemRootsError. -// -// WARNING: this doesn't do any revocation checking. -func (c *Certificate) Verify(opts VerifyOptions) (chains [][]*Certificate, err error) { - // Platform-specific verification needs the ASN.1 contents so - // this makes the behavior consistent across platforms. - if len(c.Raw) == 0 { - return nil, errNotParsed - } - if opts.Intermediates != nil { - for _, intermediate := range opts.Intermediates.certs { - if len(intermediate.Raw) == 0 { - return nil, errNotParsed - } - } - } - - // Use Windows's own verification and chain building. - if opts.Roots == nil && runtime.GOOS == "windows" { - return c.systemVerify(&opts) - } - - if len(c.UnhandledCriticalExtensions) > 0 { - return nil, UnhandledCriticalExtension{} - } - - if opts.Roots == nil { - opts.Roots = systemRootsPool() - if opts.Roots == nil { - return nil, SystemRootsError{systemRootsErr} - } - } - - err = c.isValid(leafCertificate, nil, &opts) - if err != nil { - return - } - - if len(opts.DNSName) > 0 { - err = c.VerifyHostname(opts.DNSName) - if err != nil { - return - } - } - - var candidateChains [][]*Certificate - if opts.Roots.contains(c) { - candidateChains = append(candidateChains, []*Certificate{c}) - } else { - if candidateChains, err = c.buildChains(make(map[int][][]*Certificate), []*Certificate{c}, &opts); err != nil { - return nil, err - } - } - - keyUsages := opts.KeyUsages - if len(keyUsages) == 0 { - keyUsages = []ExtKeyUsage{ExtKeyUsageServerAuth} - } - - // If any key usage is acceptable then we're done. - for _, usage := range keyUsages { - if usage == ExtKeyUsageAny { - chains = candidateChains - return - } - } - - for _, candidate := range candidateChains { - if checkChainForKeyUsage(candidate, keyUsages) { - chains = append(chains, candidate) - } - } - - if len(chains) == 0 { - err = CertificateInvalidError{c, IncompatibleUsage} - } - - return -} - -func appendToFreshChain(chain []*Certificate, cert *Certificate) []*Certificate { - n := make([]*Certificate, len(chain)+1) - copy(n, chain) - n[len(chain)] = cert - return n -} - -func (c *Certificate) buildChains(cache map[int][][]*Certificate, currentChain []*Certificate, opts *VerifyOptions) (chains [][]*Certificate, err error) { - possibleRoots, failedRoot, rootErr := opts.Roots.findVerifiedParents(c) -nextRoot: - for _, rootNum := range possibleRoots { - root := opts.Roots.certs[rootNum] - - for _, cert := range currentChain { - if cert.Equal(root) { - continue nextRoot - } - } - - err = root.isValid(rootCertificate, currentChain, opts) - if err != nil { - continue - } - chains = append(chains, appendToFreshChain(currentChain, root)) - } - - possibleIntermediates, failedIntermediate, intermediateErr := opts.Intermediates.findVerifiedParents(c) -nextIntermediate: - for _, intermediateNum := range possibleIntermediates { - intermediate := opts.Intermediates.certs[intermediateNum] - for _, cert := range currentChain { - if cert.Equal(intermediate) { - continue nextIntermediate - } - } - err = intermediate.isValid(intermediateCertificate, currentChain, opts) - if err != nil { - continue - } - var childChains [][]*Certificate - childChains, ok := cache[intermediateNum] - if !ok { - childChains, err = intermediate.buildChains(cache, appendToFreshChain(currentChain, intermediate), opts) - cache[intermediateNum] = childChains - } - chains = append(chains, childChains...) - } - - if len(chains) > 0 { - err = nil - } - - if len(chains) == 0 && err == nil { - hintErr := rootErr - hintCert := failedRoot - if hintErr == nil { - hintErr = intermediateErr - hintCert = failedIntermediate - } - err = UnknownAuthorityError{c, hintErr, hintCert} - } - - return -} - -func matchHostnames(pattern, host string) bool { - host = strings.TrimSuffix(host, ".") - pattern = strings.TrimSuffix(pattern, ".") - - if len(pattern) == 0 || len(host) == 0 { - return false - } - - patternParts := strings.Split(pattern, ".") - hostParts := strings.Split(host, ".") - - if len(patternParts) != len(hostParts) { - return false - } - - for i, patternPart := range patternParts { - if i == 0 && patternPart == "*" { - continue - } - if patternPart != hostParts[i] { - return false - } - } - - return true -} - -// toLowerCaseASCII returns a lower-case version of in. See RFC 6125 6.4.1. We use -// an explicitly ASCII function to avoid any sharp corners resulting from -// performing Unicode operations on DNS labels. -func toLowerCaseASCII(in string) string { - // If the string is already lower-case then there's nothing to do. - isAlreadyLowerCase := true - for _, c := range in { - if c == utf8.RuneError { - // If we get a UTF-8 error then there might be - // upper-case ASCII bytes in the invalid sequence. - isAlreadyLowerCase = false - break - } - if 'A' <= c && c <= 'Z' { - isAlreadyLowerCase = false - break - } - } - - if isAlreadyLowerCase { - return in - } - - out := []byte(in) - for i, c := range out { - if 'A' <= c && c <= 'Z' { - out[i] += 'a' - 'A' - } - } - return string(out) -} - -// VerifyHostname returns nil if c is a valid certificate for the named host. -// Otherwise it returns an error describing the mismatch. -func (c *Certificate) VerifyHostname(h string) error { - // IP addresses may be written in [ ]. - candidateIP := h - if len(h) >= 3 && h[0] == '[' && h[len(h)-1] == ']' { - candidateIP = h[1 : len(h)-1] - } - if ip := net.ParseIP(candidateIP); ip != nil { - // We only match IP addresses against IP SANs. - // https://tools.ietf.org/html/rfc6125#appendix-B.2 - for _, candidate := range c.IPAddresses { - if ip.Equal(candidate) { - return nil - } - } - return HostnameError{c, candidateIP} - } - - lowered := toLowerCaseASCII(h) - - if len(c.DNSNames) > 0 { - for _, match := range c.DNSNames { - if matchHostnames(toLowerCaseASCII(match), lowered) { - return nil - } - } - // If Subject Alt Name is given, we ignore the common name. - } else if matchHostnames(toLowerCaseASCII(c.Subject.CommonName), lowered) { - return nil - } - - return HostnameError{c, h} -} - -func checkChainForKeyUsage(chain []*Certificate, keyUsages []ExtKeyUsage) bool { - usages := make([]ExtKeyUsage, len(keyUsages)) - copy(usages, keyUsages) - - if len(chain) == 0 { - return false - } - - usagesRemaining := len(usages) - - // We walk down the list and cross out any usages that aren't supported - // by each certificate. If we cross out all the usages, then the chain - // is unacceptable. - -NextCert: - for i := len(chain) - 1; i >= 0; i-- { - cert := chain[i] - if len(cert.ExtKeyUsage) == 0 && len(cert.UnknownExtKeyUsage) == 0 { - // The certificate doesn't have any extended key usage specified. - continue - } - - for _, usage := range cert.ExtKeyUsage { - if usage == ExtKeyUsageAny { - // The certificate is explicitly good for any usage. - continue NextCert - } - } - - const invalidUsage ExtKeyUsage = -1 - - NextRequestedUsage: - for i, requestedUsage := range usages { - if requestedUsage == invalidUsage { - continue - } - - for _, usage := range cert.ExtKeyUsage { - if requestedUsage == usage { - continue NextRequestedUsage - } else if requestedUsage == ExtKeyUsageServerAuth && - (usage == ExtKeyUsageNetscapeServerGatedCrypto || - usage == ExtKeyUsageMicrosoftServerGatedCrypto) { - // In order to support COMODO - // certificate chains, we have to - // accept Netscape or Microsoft SGC - // usages as equal to ServerAuth. - continue NextRequestedUsage - } - } - - usages[i] = invalidUsage - usagesRemaining-- - if usagesRemaining == 0 { - return false - } - } - } - - return true -} diff --git a/vendor/github.com/bytom/crypto/sm2/x509.go b/vendor/github.com/bytom/crypto/sm2/x509.go deleted file mode 100644 index d786ca2a..00000000 --- a/vendor/github.com/bytom/crypto/sm2/x509.go +++ /dev/null @@ -1,2514 +0,0 @@ -// crypto/x509 add sm2 support -package sm2 - -import ( - "bytes" - "crypto" - "crypto/dsa" - "crypto/ecdsa" - "crypto/elliptic" - "crypto/md5" - "crypto/rand" - "crypto/rsa" - "crypto/sha1" - "crypto/sha256" - "crypto/sha512" - "crypto/x509/pkix" - "encoding/asn1" - "encoding/pem" - "errors" - "fmt" - "hash" - "io" - "io/ioutil" - "math/big" - "net" - "os" - "strconv" - "time" - - "golang.org/x/crypto/ripemd160" - "golang.org/x/crypto/sha3" - - "github.com/bytom/crypto/sm3" -) - -// pkixPublicKey reflects a PKIX public key structure. See SubjectPublicKeyInfo -// in RFC 3280. -type pkixPublicKey struct { - Algo pkix.AlgorithmIdentifier - BitString asn1.BitString -} - -// ParsePKIXPublicKey parses a DER encoded public key. These values are -// typically found in PEM blocks with "BEGIN PUBLIC KEY". -// -// Supported key types include RSA, DSA, and ECDSA. Unknown key -// types result in an error. -// -// On success, pub will be of type *rsa.PublicKey, *dsa.PublicKey, -// or *ecdsa.PublicKey. -func ParsePKIXPublicKey(derBytes []byte) (pub interface{}, err error) { - var pki publicKeyInfo - - if rest, err := asn1.Unmarshal(derBytes, &pki); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after ASN.1 of public-key") - } - algo := getPublicKeyAlgorithmFromOID(pki.Algorithm.Algorithm) - if algo == UnknownPublicKeyAlgorithm { - return nil, errors.New("x509: unknown public key algorithm") - } - return parsePublicKey(algo, &pki) -} - -func marshalPublicKey(pub interface{}) (publicKeyBytes []byte, publicKeyAlgorithm pkix.AlgorithmIdentifier, err error) { - switch pub := pub.(type) { - case *rsa.PublicKey: - publicKeyBytes, err = asn1.Marshal(rsaPublicKey{ - N: pub.N, - E: pub.E, - }) - if err != nil { - return nil, pkix.AlgorithmIdentifier{}, err - } - publicKeyAlgorithm.Algorithm = oidPublicKeyRSA - // This is a NULL parameters value which is required by - // https://tools.ietf.org/html/rfc3279#section-2.3.1. - publicKeyAlgorithm.Parameters = asn1.RawValue{ - Tag: 5, - } - case *ecdsa.PublicKey: - publicKeyBytes = elliptic.Marshal(pub.Curve, pub.X, pub.Y) - oid, ok := oidFromNamedCurve(pub.Curve) - if !ok { - return nil, pkix.AlgorithmIdentifier{}, errors.New("x509: unsupported elliptic curve") - } - publicKeyAlgorithm.Algorithm = oidPublicKeyECDSA - var paramBytes []byte - paramBytes, err = asn1.Marshal(oid) - if err != nil { - return - } - publicKeyAlgorithm.Parameters.FullBytes = paramBytes - case *PublicKey: - publicKeyBytes = elliptic.Marshal(pub.Curve, pub.X, pub.Y) - oid, ok := oidFromNamedCurve(pub.Curve) - if !ok { - return nil, pkix.AlgorithmIdentifier{}, errors.New("x509: unsupported SM2 curve") - } - publicKeyAlgorithm.Algorithm = oidPublicKeyECDSA - var paramBytes []byte - paramBytes, err = asn1.Marshal(oid) - if err != nil { - return - } - publicKeyAlgorithm.Parameters.FullBytes = paramBytes - default: - return nil, pkix.AlgorithmIdentifier{}, errors.New("x509: only RSA and ECDSA(SM2) public keys supported") - } - - return publicKeyBytes, publicKeyAlgorithm, nil -} - -// MarshalPKIXPublicKey serialises a public key to DER-encoded PKIX format. -func MarshalPKIXPublicKey(pub interface{}) ([]byte, error) { - var publicKeyBytes []byte - var publicKeyAlgorithm pkix.AlgorithmIdentifier - var err error - - if publicKeyBytes, publicKeyAlgorithm, err = marshalPublicKey(pub); err != nil { - return nil, err - } - - pkix := pkixPublicKey{ - Algo: publicKeyAlgorithm, - BitString: asn1.BitString{ - Bytes: publicKeyBytes, - BitLength: 8 * len(publicKeyBytes), - }, - } - - ret, _ := asn1.Marshal(pkix) - return ret, nil -} - -// These structures reflect the ASN.1 structure of X.509 certificates.: - -type certificate struct { - Raw asn1.RawContent - TBSCertificate tbsCertificate - SignatureAlgorithm pkix.AlgorithmIdentifier - SignatureValue asn1.BitString -} - -type tbsCertificate struct { - Raw asn1.RawContent - Version int `asn1:"optional,explicit,default:0,tag:0"` - SerialNumber *big.Int - SignatureAlgorithm pkix.AlgorithmIdentifier - Issuer asn1.RawValue - Validity validity - Subject asn1.RawValue - PublicKey publicKeyInfo - UniqueId asn1.BitString `asn1:"optional,tag:1"` - SubjectUniqueId asn1.BitString `asn1:"optional,tag:2"` - Extensions []pkix.Extension `asn1:"optional,explicit,tag:3"` -} - -type dsaAlgorithmParameters struct { - P, Q, G *big.Int -} - -type dsaSignature struct { - R, S *big.Int -} - -type ecdsaSignature dsaSignature - -type validity struct { - NotBefore, NotAfter time.Time -} - -type publicKeyInfo struct { - Raw asn1.RawContent - Algorithm pkix.AlgorithmIdentifier - PublicKey asn1.BitString -} - -// RFC 5280, 4.2.1.1 -type authKeyId struct { - Id []byte `asn1:"optional,tag:0"` -} - -type SignatureAlgorithm int - -type Hash uint - -func init() { - RegisterHash(MD4, nil) - RegisterHash(MD5, md5.New) - RegisterHash(SHA1, sha1.New) - RegisterHash(SHA224, sha256.New224) - RegisterHash(SHA256, sha256.New) - RegisterHash(SHA384, sha512.New384) - RegisterHash(SHA512, sha512.New) - RegisterHash(MD5SHA1, nil) - RegisterHash(RIPEMD160, ripemd160.New) - RegisterHash(SHA3_224, sha3.New224) - RegisterHash(SHA3_256, sha3.New256) - RegisterHash(SHA3_384, sha3.New384) - RegisterHash(SHA3_512, sha3.New512) - RegisterHash(SHA512_224, sha512.New512_224) - RegisterHash(SHA512_256, sha512.New512_256) - RegisterHash(SM3, sm3.New) -} - -// HashFunc simply returns the value of h so that Hash implements SignerOpts. -func (h Hash) HashFunc() crypto.Hash { - return crypto.Hash(h) -} - -const ( - MD4 Hash = 1 + iota // import golang.org/x/crypto/md4 - MD5 // import crypto/md5 - SHA1 // import crypto/sha1 - SHA224 // import crypto/sha256 - SHA256 // import crypto/sha256 - SHA384 // import crypto/sha512 - SHA512 // import crypto/sha512 - MD5SHA1 // no implementation; MD5+SHA1 used for TLS RSA - RIPEMD160 // import golang.org/x/crypto/ripemd160 - SHA3_224 // import golang.org/x/crypto/sha3 - SHA3_256 // import golang.org/x/crypto/sha3 - SHA3_384 // import golang.org/x/crypto/sha3 - SHA3_512 // import golang.org/x/crypto/sha3 - SHA512_224 // import crypto/sha512 - SHA512_256 // import crypto/sha512 - SM3 - maxHash -) - -var digestSizes = []uint8{ - MD4: 16, - MD5: 16, - SHA1: 20, - SHA224: 28, - SHA256: 32, - SHA384: 48, - SHA512: 64, - SHA512_224: 28, - SHA512_256: 32, - SHA3_224: 28, - SHA3_256: 32, - SHA3_384: 48, - SHA3_512: 64, - MD5SHA1: 36, - RIPEMD160: 20, - SM3: 32, -} - -// Size returns the length, in bytes, of a digest resulting from the given hash -// function. It doesn't require that the hash function in question be linked -// into the program. -func (h Hash) Size() int { - if h > 0 && h < maxHash { - return int(digestSizes[h]) - } - panic("crypto: Size of unknown hash function") -} - -var hashes = make([]func() hash.Hash, maxHash) - -// New returns a new hash.Hash calculating the given hash function. New panics -// if the hash function is not linked into the binary. -func (h Hash) New() hash.Hash { - if h > 0 && h < maxHash { - f := hashes[h] - if f != nil { - return f() - } - } - panic("crypto: requested hash function #" + strconv.Itoa(int(h)) + " is unavailable") -} - -// Available reports whether the given hash function is linked into the binary. -func (h Hash) Available() bool { - return h < maxHash && hashes[h] != nil -} - -// RegisterHash registers a function that returns a new instance of the given -// hash function. This is intended to be called from the init function in -// packages that implement hash functions. -func RegisterHash(h Hash, f func() hash.Hash) { - if h >= maxHash { - panic("crypto: RegisterHash of unknown hash function") - } - hashes[h] = f -} - -const ( - UnknownSignatureAlgorithm SignatureAlgorithm = iota - MD2WithRSA - MD5WithRSA - // SM3WithRSA reserve - SHA1WithRSA - SHA256WithRSA - SHA384WithRSA - SHA512WithRSA - DSAWithSHA1 - DSAWithSHA256 - ECDSAWithSHA1 - ECDSAWithSHA256 - ECDSAWithSHA384 - ECDSAWithSHA512 - SHA256WithRSAPSS - SHA384WithRSAPSS - SHA512WithRSAPSS - SM2WithSM3 - SM2WithSHA1 - SM2WithSHA256 -) - -func (algo SignatureAlgorithm) isRSAPSS() bool { - switch algo { - case SHA256WithRSAPSS, SHA384WithRSAPSS, SHA512WithRSAPSS: - return true - default: - return false - } -} - -var algoName = [...]string{ - MD2WithRSA: "MD2-RSA", - MD5WithRSA: "MD5-RSA", - SHA1WithRSA: "SHA1-RSA", - // SM3WithRSA: "SM3-RSA", reserve - SHA256WithRSA: "SHA256-RSA", - SHA384WithRSA: "SHA384-RSA", - SHA512WithRSA: "SHA512-RSA", - SHA256WithRSAPSS: "SHA256-RSAPSS", - SHA384WithRSAPSS: "SHA384-RSAPSS", - SHA512WithRSAPSS: "SHA512-RSAPSS", - DSAWithSHA1: "DSA-SHA1", - DSAWithSHA256: "DSA-SHA256", - ECDSAWithSHA1: "ECDSA-SHA1", - ECDSAWithSHA256: "ECDSA-SHA256", - ECDSAWithSHA384: "ECDSA-SHA384", - ECDSAWithSHA512: "ECDSA-SHA512", - SM2WithSM3: "SM2-SM3", - SM2WithSHA1: "SM2-SHA1", - SM2WithSHA256: "SM2-SHA256", -} - -func (algo SignatureAlgorithm) String() string { - if 0 < algo && int(algo) < len(algoName) { - return algoName[algo] - } - return strconv.Itoa(int(algo)) -} - -type PublicKeyAlgorithm int - -const ( - UnknownPublicKeyAlgorithm PublicKeyAlgorithm = iota - RSA - DSA - ECDSA -) - -// OIDs for signature algorithms -// -// pkcs-1 OBJECT IDENTIFIER ::= { -// iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 1 } -// -// -// RFC 3279 2.2.1 RSA Signature Algorithms -// -// md2WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 2 } -// -// md5WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 4 } -// -// sha-1WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 5 } -// -// dsaWithSha1 OBJECT IDENTIFIER ::= { -// iso(1) member-body(2) us(840) x9-57(10040) x9cm(4) 3 } -// -// RFC 3279 2.2.3 ECDSA Signature Algorithm -// -// ecdsa-with-SHA1 OBJECT IDENTIFIER ::= { -// iso(1) member-body(2) us(840) ansi-x962(10045) -// signatures(4) ecdsa-with-SHA1(1)} -// -// -// RFC 4055 5 PKCS #1 Version 1.5 -// -// sha256WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 11 } -// -// sha384WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 12 } -// -// sha512WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 13 } -// -// -// RFC 5758 3.1 DSA Signature Algorithms -// -// dsaWithSha256 OBJECT IDENTIFIER ::= { -// joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101) -// csor(3) algorithms(4) id-dsa-with-sha2(3) 2} -// -// RFC 5758 3.2 ECDSA Signature Algorithm -// -// ecdsa-with-SHA256 OBJECT IDENTIFIER ::= { iso(1) member-body(2) -// us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 2 } -// -// ecdsa-with-SHA384 OBJECT IDENTIFIER ::= { iso(1) member-body(2) -// us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 3 } -// -// ecdsa-with-SHA512 OBJECT IDENTIFIER ::= { iso(1) member-body(2) -// us(840) ansi-X9-62(10045) signatures(4) ecdsa-with-SHA2(3) 4 } - -var ( - oidSignatureMD2WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 2} - oidSignatureMD5WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 4} - oidSignatureSHA1WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 5} - oidSignatureSHA256WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 11} - oidSignatureSHA384WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 12} - oidSignatureSHA512WithRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 13} - oidSignatureRSAPSS = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 10} - oidSignatureDSAWithSHA1 = asn1.ObjectIdentifier{1, 2, 840, 10040, 4, 3} - oidSignatureDSAWithSHA256 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 3, 2} - oidSignatureECDSAWithSHA1 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 1} - oidSignatureECDSAWithSHA256 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 2} - oidSignatureECDSAWithSHA384 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 3} - oidSignatureECDSAWithSHA512 = asn1.ObjectIdentifier{1, 2, 840, 10045, 4, 3, 4} - oidSignatureSM2WithSM3 = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 501} - oidSignatureSM2WithSHA1 = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 502} - oidSignatureSM2WithSHA256 = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 503} - // oidSignatureSM3WithRSA = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 504} - - oidSM3 = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 401, 1} - oidSHA256 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 2, 1} - oidSHA384 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 2, 2} - oidSHA512 = asn1.ObjectIdentifier{2, 16, 840, 1, 101, 3, 4, 2, 3} - - oidMGF1 = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 8} - - // oidISOSignatureSHA1WithRSA means the same as oidSignatureSHA1WithRSA - // but it's specified by ISO. Microsoft's makecert.exe has been known - // to produce certificates with this OID. - oidISOSignatureSHA1WithRSA = asn1.ObjectIdentifier{1, 3, 14, 3, 2, 29} -) - -var signatureAlgorithmDetails = []struct { - algo SignatureAlgorithm - oid asn1.ObjectIdentifier - pubKeyAlgo PublicKeyAlgorithm - hash Hash -}{ - {MD2WithRSA, oidSignatureMD2WithRSA, RSA, Hash(0) /* no value for MD2 */}, - {MD5WithRSA, oidSignatureMD5WithRSA, RSA, MD5}, - {SHA1WithRSA, oidSignatureSHA1WithRSA, RSA, SHA1}, - {SHA1WithRSA, oidISOSignatureSHA1WithRSA, RSA, SHA1}, - {SHA256WithRSA, oidSignatureSHA256WithRSA, RSA, SHA256}, - {SHA384WithRSA, oidSignatureSHA384WithRSA, RSA, SHA384}, - {SHA512WithRSA, oidSignatureSHA512WithRSA, RSA, SHA512}, - {SHA256WithRSAPSS, oidSignatureRSAPSS, RSA, SHA256}, - {SHA384WithRSAPSS, oidSignatureRSAPSS, RSA, SHA384}, - {SHA512WithRSAPSS, oidSignatureRSAPSS, RSA, SHA512}, - {DSAWithSHA1, oidSignatureDSAWithSHA1, DSA, SHA1}, - {DSAWithSHA256, oidSignatureDSAWithSHA256, DSA, SHA256}, - {ECDSAWithSHA1, oidSignatureECDSAWithSHA1, ECDSA, SHA1}, - {ECDSAWithSHA256, oidSignatureECDSAWithSHA256, ECDSA, SHA256}, - {ECDSAWithSHA384, oidSignatureECDSAWithSHA384, ECDSA, SHA384}, - {ECDSAWithSHA512, oidSignatureECDSAWithSHA512, ECDSA, SHA512}, - {SM2WithSM3, oidSignatureSM2WithSM3, ECDSA, SM3}, - {SM2WithSHA1, oidSignatureSM2WithSHA1, ECDSA, SHA1}, - {SM2WithSHA256, oidSignatureSM2WithSHA256, ECDSA, SHA256}, - // {SM3WithRSA, oidSignatureSM3WithRSA, RSA, SM3}, -} - -// pssParameters reflects the parameters in an AlgorithmIdentifier that -// specifies RSA PSS. See https://tools.ietf.org/html/rfc3447#appendix-A.2.3 -type pssParameters struct { - // The following three fields are not marked as - // optional because the default values specify SHA-1, - // which is no longer suitable for use in signatures. - Hash pkix.AlgorithmIdentifier `asn1:"explicit,tag:0"` - MGF pkix.AlgorithmIdentifier `asn1:"explicit,tag:1"` - SaltLength int `asn1:"explicit,tag:2"` - TrailerField int `asn1:"optional,explicit,tag:3,default:1"` -} - -// rsaPSSParameters returns an asn1.RawValue suitable for use as the Parameters -// in an AlgorithmIdentifier that specifies RSA PSS. -func rsaPSSParameters(hashFunc Hash) asn1.RawValue { - var hashOID asn1.ObjectIdentifier - - switch hashFunc { - case SHA256: - hashOID = oidSHA256 - case SHA384: - hashOID = oidSHA384 - case SHA512: - hashOID = oidSHA512 - } - - params := pssParameters{ - Hash: pkix.AlgorithmIdentifier{ - Algorithm: hashOID, - Parameters: asn1.RawValue{ - Tag: 5, /* ASN.1 NULL */ - }, - }, - MGF: pkix.AlgorithmIdentifier{ - Algorithm: oidMGF1, - }, - SaltLength: hashFunc.Size(), - TrailerField: 1, - } - - mgf1Params := pkix.AlgorithmIdentifier{ - Algorithm: hashOID, - Parameters: asn1.RawValue{ - Tag: 5, /* ASN.1 NULL */ - }, - } - - var err error - params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params) - if err != nil { - panic(err) - } - - serialized, err := asn1.Marshal(params) - if err != nil { - panic(err) - } - - return asn1.RawValue{FullBytes: serialized} -} - -func getSignatureAlgorithmFromAI(ai pkix.AlgorithmIdentifier) SignatureAlgorithm { - if !ai.Algorithm.Equal(oidSignatureRSAPSS) { - for _, details := range signatureAlgorithmDetails { - if ai.Algorithm.Equal(details.oid) { - return details.algo - } - } - return UnknownSignatureAlgorithm - } - - // RSA PSS is special because it encodes important parameters - // in the Parameters. - - var params pssParameters - if _, err := asn1.Unmarshal(ai.Parameters.FullBytes, ¶ms); err != nil { - return UnknownSignatureAlgorithm - } - - var mgf1HashFunc pkix.AlgorithmIdentifier - if _, err := asn1.Unmarshal(params.MGF.Parameters.FullBytes, &mgf1HashFunc); err != nil { - return UnknownSignatureAlgorithm - } - - // PSS is greatly overburdened with options. This code forces - // them into three buckets by requiring that the MGF1 hash - // function always match the message hash function (as - // recommended in - // https://tools.ietf.org/html/rfc3447#section-8.1), that the - // salt length matches the hash length, and that the trailer - // field has the default value. - asn1NULL := []byte{0x05, 0x00} - if !bytes.Equal(params.Hash.Parameters.FullBytes, asn1NULL) || - !params.MGF.Algorithm.Equal(oidMGF1) || - !mgf1HashFunc.Algorithm.Equal(params.Hash.Algorithm) || - !bytes.Equal(mgf1HashFunc.Parameters.FullBytes, asn1NULL) || - params.TrailerField != 1 { - return UnknownSignatureAlgorithm - } - - switch { - case params.Hash.Algorithm.Equal(oidSHA256) && params.SaltLength == 32: - return SHA256WithRSAPSS - case params.Hash.Algorithm.Equal(oidSHA384) && params.SaltLength == 48: - return SHA384WithRSAPSS - case params.Hash.Algorithm.Equal(oidSHA512) && params.SaltLength == 64: - return SHA512WithRSAPSS - } - - return UnknownSignatureAlgorithm -} - -// RFC 3279, 2.3 Public Key Algorithms -// -// pkcs-1 OBJECT IDENTIFIER ::== { iso(1) member-body(2) us(840) -// rsadsi(113549) pkcs(1) 1 } -// -// rsaEncryption OBJECT IDENTIFIER ::== { pkcs1-1 1 } -// -// id-dsa OBJECT IDENTIFIER ::== { iso(1) member-body(2) us(840) -// x9-57(10040) x9cm(4) 1 } -// -// RFC 5480, 2.1.1 Unrestricted Algorithm Identifier and Parameters -// -// id-ecPublicKey OBJECT IDENTIFIER ::= { -// iso(1) member-body(2) us(840) ansi-X9-62(10045) keyType(2) 1 } -var ( - oidPublicKeyRSA = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 1, 1} - oidPublicKeyDSA = asn1.ObjectIdentifier{1, 2, 840, 10040, 4, 1} - oidPublicKeyECDSA = asn1.ObjectIdentifier{1, 2, 840, 10045, 2, 1} -) - -func getPublicKeyAlgorithmFromOID(oid asn1.ObjectIdentifier) PublicKeyAlgorithm { - switch { - case oid.Equal(oidPublicKeyRSA): - return RSA - case oid.Equal(oidPublicKeyDSA): - return DSA - case oid.Equal(oidPublicKeyECDSA): - return ECDSA - } - return UnknownPublicKeyAlgorithm -} - -// RFC 5480, 2.1.1.1. Named Curve -// -// secp224r1 OBJECT IDENTIFIER ::= { -// iso(1) identified-organization(3) certicom(132) curve(0) 33 } -// -// secp256r1 OBJECT IDENTIFIER ::= { -// iso(1) member-body(2) us(840) ansi-X9-62(10045) curves(3) -// prime(1) 7 } -// -// secp384r1 OBJECT IDENTIFIER ::= { -// iso(1) identified-organization(3) certicom(132) curve(0) 34 } -// -// secp521r1 OBJECT IDENTIFIER ::= { -// iso(1) identified-organization(3) certicom(132) curve(0) 35 } -// -// NB: secp256r1 is equivalent to prime256v1 -var ( - oidNamedCurveP224 = asn1.ObjectIdentifier{1, 3, 132, 0, 33} - oidNamedCurveP256 = asn1.ObjectIdentifier{1, 2, 840, 10045, 3, 1, 7} - oidNamedCurveP384 = asn1.ObjectIdentifier{1, 3, 132, 0, 34} - oidNamedCurveP521 = asn1.ObjectIdentifier{1, 3, 132, 0, 35} - oidNamedCurveP256SM2 = asn1.ObjectIdentifier{1, 2, 156, 10197, 1, 301} // I get the SM2 ID through parsing the pem file generated by gmssl -) - -func namedCurveFromOID(oid asn1.ObjectIdentifier) elliptic.Curve { - switch { - case oid.Equal(oidNamedCurveP224): - return elliptic.P224() - case oid.Equal(oidNamedCurveP256): - return elliptic.P256() - case oid.Equal(oidNamedCurveP384): - return elliptic.P384() - case oid.Equal(oidNamedCurveP521): - return elliptic.P521() - case oid.Equal(oidNamedCurveP256SM2): - return P256Sm2() - } - return nil -} - -func oidFromNamedCurve(curve elliptic.Curve) (asn1.ObjectIdentifier, bool) { - switch curve { - case elliptic.P224(): - return oidNamedCurveP224, true - case elliptic.P256(): - return oidNamedCurveP256, true - case elliptic.P384(): - return oidNamedCurveP384, true - case elliptic.P521(): - return oidNamedCurveP521, true - case P256Sm2(): - return oidNamedCurveP256SM2, true - } - return nil, false -} - -// KeyUsage represents the set of actions that are valid for a given key. It's -// a bitmap of the KeyUsage* constants. -type KeyUsage int - -const ( - KeyUsageDigitalSignature KeyUsage = 1 << iota - KeyUsageContentCommitment - KeyUsageKeyEncipherment - KeyUsageDataEncipherment - KeyUsageKeyAgreement - KeyUsageCertSign - KeyUsageCRLSign - KeyUsageEncipherOnly - KeyUsageDecipherOnly -) - -// RFC 5280, 4.2.1.12 Extended Key Usage -// -// anyExtendedKeyUsage OBJECT IDENTIFIER ::= { id-ce-extKeyUsage 0 } -// -// id-kp OBJECT IDENTIFIER ::= { id-pkix 3 } -// -// id-kp-serverAuth OBJECT IDENTIFIER ::= { id-kp 1 } -// id-kp-clientAuth OBJECT IDENTIFIER ::= { id-kp 2 } -// id-kp-codeSigning OBJECT IDENTIFIER ::= { id-kp 3 } -// id-kp-emailProtection OBJECT IDENTIFIER ::= { id-kp 4 } -// id-kp-timeStamping OBJECT IDENTIFIER ::= { id-kp 8 } -// id-kp-OCSPSigning OBJECT IDENTIFIER ::= { id-kp 9 } -var ( - oidExtKeyUsageAny = asn1.ObjectIdentifier{2, 5, 29, 37, 0} - oidExtKeyUsageServerAuth = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 1} - oidExtKeyUsageClientAuth = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 2} - oidExtKeyUsageCodeSigning = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 3} - oidExtKeyUsageEmailProtection = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 4} - oidExtKeyUsageIPSECEndSystem = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 5} - oidExtKeyUsageIPSECTunnel = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 6} - oidExtKeyUsageIPSECUser = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 7} - oidExtKeyUsageTimeStamping = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 8} - oidExtKeyUsageOCSPSigning = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 3, 9} - oidExtKeyUsageMicrosoftServerGatedCrypto = asn1.ObjectIdentifier{1, 3, 6, 1, 4, 1, 311, 10, 3, 3} - oidExtKeyUsageNetscapeServerGatedCrypto = asn1.ObjectIdentifier{2, 16, 840, 1, 113730, 4, 1} -) - -// ExtKeyUsage represents an extended set of actions that are valid for a given key. -// Each of the ExtKeyUsage* constants define a unique action. -type ExtKeyUsage int - -const ( - ExtKeyUsageAny ExtKeyUsage = iota - ExtKeyUsageServerAuth - ExtKeyUsageClientAuth - ExtKeyUsageCodeSigning - ExtKeyUsageEmailProtection - ExtKeyUsageIPSECEndSystem - ExtKeyUsageIPSECTunnel - ExtKeyUsageIPSECUser - ExtKeyUsageTimeStamping - ExtKeyUsageOCSPSigning - ExtKeyUsageMicrosoftServerGatedCrypto - ExtKeyUsageNetscapeServerGatedCrypto -) - -// extKeyUsageOIDs contains the mapping between an ExtKeyUsage and its OID. -var extKeyUsageOIDs = []struct { - extKeyUsage ExtKeyUsage - oid asn1.ObjectIdentifier -}{ - {ExtKeyUsageAny, oidExtKeyUsageAny}, - {ExtKeyUsageServerAuth, oidExtKeyUsageServerAuth}, - {ExtKeyUsageClientAuth, oidExtKeyUsageClientAuth}, - {ExtKeyUsageCodeSigning, oidExtKeyUsageCodeSigning}, - {ExtKeyUsageEmailProtection, oidExtKeyUsageEmailProtection}, - {ExtKeyUsageIPSECEndSystem, oidExtKeyUsageIPSECEndSystem}, - {ExtKeyUsageIPSECTunnel, oidExtKeyUsageIPSECTunnel}, - {ExtKeyUsageIPSECUser, oidExtKeyUsageIPSECUser}, - {ExtKeyUsageTimeStamping, oidExtKeyUsageTimeStamping}, - {ExtKeyUsageOCSPSigning, oidExtKeyUsageOCSPSigning}, - {ExtKeyUsageMicrosoftServerGatedCrypto, oidExtKeyUsageMicrosoftServerGatedCrypto}, - {ExtKeyUsageNetscapeServerGatedCrypto, oidExtKeyUsageNetscapeServerGatedCrypto}, -} - -func extKeyUsageFromOID(oid asn1.ObjectIdentifier) (eku ExtKeyUsage, ok bool) { - for _, pair := range extKeyUsageOIDs { - if oid.Equal(pair.oid) { - return pair.extKeyUsage, true - } - } - return -} - -func oidFromExtKeyUsage(eku ExtKeyUsage) (oid asn1.ObjectIdentifier, ok bool) { - for _, pair := range extKeyUsageOIDs { - if eku == pair.extKeyUsage { - return pair.oid, true - } - } - return -} - -// A Certificate represents an X.509 certificate. -type Certificate struct { - Raw []byte // Complete ASN.1 DER content (certificate, signature algorithm and signature). - RawTBSCertificate []byte // Certificate part of raw ASN.1 DER content. - RawSubjectPublicKeyInfo []byte // DER encoded SubjectPublicKeyInfo. - RawSubject []byte // DER encoded Subject - RawIssuer []byte // DER encoded Issuer - - Signature []byte - SignatureAlgorithm SignatureAlgorithm - - PublicKeyAlgorithm PublicKeyAlgorithm - PublicKey interface{} - - Version int - SerialNumber *big.Int - Issuer pkix.Name - Subject pkix.Name - NotBefore, NotAfter time.Time // Validity bounds. - KeyUsage KeyUsage - - // Extensions contains raw X.509 extensions. When parsing certificates, - // this can be used to extract non-critical extensions that are not - // parsed by this package. When marshaling certificates, the Extensions - // field is ignored, see ExtraExtensions. - Extensions []pkix.Extension - - // ExtraExtensions contains extensions to be copied, raw, into any - // marshaled certificates. Values override any extensions that would - // otherwise be produced based on the other fields. The ExtraExtensions - // field is not populated when parsing certificates, see Extensions. - ExtraExtensions []pkix.Extension - - // UnhandledCriticalExtensions contains a list of extension IDs that - // were not (fully) processed when parsing. Verify will fail if this - // slice is non-empty, unless verification is delegated to an OS - // library which understands all the critical extensions. - // - // Users can access these extensions using Extensions and can remove - // elements from this slice if they believe that they have been - // handled. - UnhandledCriticalExtensions []asn1.ObjectIdentifier - - ExtKeyUsage []ExtKeyUsage // Sequence of extended key usages. - UnknownExtKeyUsage []asn1.ObjectIdentifier // Encountered extended key usages unknown to this package. - - BasicConstraintsValid bool // if true then the next two fields are valid. - IsCA bool - MaxPathLen int - // MaxPathLenZero indicates that BasicConstraintsValid==true and - // MaxPathLen==0 should be interpreted as an actual maximum path length - // of zero. Otherwise, that combination is interpreted as MaxPathLen - // not being set. - MaxPathLenZero bool - - SubjectKeyId []byte - AuthorityKeyId []byte - - // RFC 5280, 4.2.2.1 (Authority Information Access) - OCSPServer []string - IssuingCertificateURL []string - - // Subject Alternate Name values - DNSNames []string - EmailAddresses []string - IPAddresses []net.IP - - // Name constraints - PermittedDNSDomainsCritical bool // if true then the name constraints are marked critical. - PermittedDNSDomains []string - - // CRL Distribution Points - CRLDistributionPoints []string - - PolicyIdentifiers []asn1.ObjectIdentifier -} - -// ErrUnsupportedAlgorithm results from attempting to perform an operation that -// involves algorithms that are not currently implemented. -var ErrUnsupportedAlgorithm = errors.New("x509: cannot verify signature: algorithm unimplemented") - -// An InsecureAlgorithmError -type InsecureAlgorithmError SignatureAlgorithm - -func (e InsecureAlgorithmError) Error() string { - return fmt.Sprintf("x509: cannot verify signature: insecure algorithm %v", SignatureAlgorithm(e)) -} - -// ConstraintViolationError results when a requested usage is not permitted by -// a certificate. For example: checking a signature when the public key isn't a -// certificate signing key. -type ConstraintViolationError struct{} - -func (ConstraintViolationError) Error() string { - return "x509: invalid signature: parent certificate cannot sign this kind of certificate" -} - -func (c *Certificate) Equal(other *Certificate) bool { - return bytes.Equal(c.Raw, other.Raw) -} - -// Entrust have a broken root certificate (CN=Entrust.net Certification -// Authority (2048)) which isn't marked as a CA certificate and is thus invalid -// according to PKIX. -// We recognise this certificate by its SubjectPublicKeyInfo and exempt it -// from the Basic Constraints requirement. -// See http://www.entrust.net/knowledge-base/technote.cfm?tn=7869 -// -// TODO(agl): remove this hack once their reissued root is sufficiently -// widespread. -var entrustBrokenSPKI = []byte{ - 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, - 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, - 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, - 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, - 0x00, 0x97, 0xa3, 0x2d, 0x3c, 0x9e, 0xde, 0x05, - 0xda, 0x13, 0xc2, 0x11, 0x8d, 0x9d, 0x8e, 0xe3, - 0x7f, 0xc7, 0x4b, 0x7e, 0x5a, 0x9f, 0xb3, 0xff, - 0x62, 0xab, 0x73, 0xc8, 0x28, 0x6b, 0xba, 0x10, - 0x64, 0x82, 0x87, 0x13, 0xcd, 0x57, 0x18, 0xff, - 0x28, 0xce, 0xc0, 0xe6, 0x0e, 0x06, 0x91, 0x50, - 0x29, 0x83, 0xd1, 0xf2, 0xc3, 0x2a, 0xdb, 0xd8, - 0xdb, 0x4e, 0x04, 0xcc, 0x00, 0xeb, 0x8b, 0xb6, - 0x96, 0xdc, 0xbc, 0xaa, 0xfa, 0x52, 0x77, 0x04, - 0xc1, 0xdb, 0x19, 0xe4, 0xae, 0x9c, 0xfd, 0x3c, - 0x8b, 0x03, 0xef, 0x4d, 0xbc, 0x1a, 0x03, 0x65, - 0xf9, 0xc1, 0xb1, 0x3f, 0x72, 0x86, 0xf2, 0x38, - 0xaa, 0x19, 0xae, 0x10, 0x88, 0x78, 0x28, 0xda, - 0x75, 0xc3, 0x3d, 0x02, 0x82, 0x02, 0x9c, 0xb9, - 0xc1, 0x65, 0x77, 0x76, 0x24, 0x4c, 0x98, 0xf7, - 0x6d, 0x31, 0x38, 0xfb, 0xdb, 0xfe, 0xdb, 0x37, - 0x02, 0x76, 0xa1, 0x18, 0x97, 0xa6, 0xcc, 0xde, - 0x20, 0x09, 0x49, 0x36, 0x24, 0x69, 0x42, 0xf6, - 0xe4, 0x37, 0x62, 0xf1, 0x59, 0x6d, 0xa9, 0x3c, - 0xed, 0x34, 0x9c, 0xa3, 0x8e, 0xdb, 0xdc, 0x3a, - 0xd7, 0xf7, 0x0a, 0x6f, 0xef, 0x2e, 0xd8, 0xd5, - 0x93, 0x5a, 0x7a, 0xed, 0x08, 0x49, 0x68, 0xe2, - 0x41, 0xe3, 0x5a, 0x90, 0xc1, 0x86, 0x55, 0xfc, - 0x51, 0x43, 0x9d, 0xe0, 0xb2, 0xc4, 0x67, 0xb4, - 0xcb, 0x32, 0x31, 0x25, 0xf0, 0x54, 0x9f, 0x4b, - 0xd1, 0x6f, 0xdb, 0xd4, 0xdd, 0xfc, 0xaf, 0x5e, - 0x6c, 0x78, 0x90, 0x95, 0xde, 0xca, 0x3a, 0x48, - 0xb9, 0x79, 0x3c, 0x9b, 0x19, 0xd6, 0x75, 0x05, - 0xa0, 0xf9, 0x88, 0xd7, 0xc1, 0xe8, 0xa5, 0x09, - 0xe4, 0x1a, 0x15, 0xdc, 0x87, 0x23, 0xaa, 0xb2, - 0x75, 0x8c, 0x63, 0x25, 0x87, 0xd8, 0xf8, 0x3d, - 0xa6, 0xc2, 0xcc, 0x66, 0xff, 0xa5, 0x66, 0x68, - 0x55, 0x02, 0x03, 0x01, 0x00, 0x01, -} - -// CheckSignatureFrom verifies that the signature on c is a valid signature -// from parent. -func (c *Certificate) CheckSignatureFrom(parent *Certificate) error { - // RFC 5280, 4.2.1.9: - // "If the basic constraints extension is not present in a version 3 - // certificate, or the extension is present but the cA boolean is not - // asserted, then the certified public key MUST NOT be used to verify - // certificate signatures." - // (except for Entrust, see comment above entrustBrokenSPKI) - if (parent.Version == 3 && !parent.BasicConstraintsValid || - parent.BasicConstraintsValid && !parent.IsCA) && - !bytes.Equal(c.RawSubjectPublicKeyInfo, entrustBrokenSPKI) { - return ConstraintViolationError{} - } - - if parent.KeyUsage != 0 && parent.KeyUsage&KeyUsageCertSign == 0 { - return ConstraintViolationError{} - } - - if parent.PublicKeyAlgorithm == UnknownPublicKeyAlgorithm { - return ErrUnsupportedAlgorithm - } - - // TODO(agl): don't ignore the path length constraint. - - return parent.CheckSignature(c.SignatureAlgorithm, c.RawTBSCertificate, c.Signature) -} - -// CheckSignature verifies that signature is a valid signature over signed from -// c's public key. -func (c *Certificate) CheckSignature(algo SignatureAlgorithm, signed, signature []byte) error { - return checkSignature(algo, signed, signature, c.PublicKey) -} - -// CheckSignature verifies that signature is a valid signature over signed from -// a crypto.PublicKey. -func checkSignature(algo SignatureAlgorithm, signed, signature []byte, publicKey crypto.PublicKey) (err error) { - var hashType Hash - - switch algo { - case SHA1WithRSA, DSAWithSHA1, ECDSAWithSHA1, SM2WithSHA1: - hashType = SHA1 - case SHA256WithRSA, SHA256WithRSAPSS, DSAWithSHA256, ECDSAWithSHA256, SM2WithSHA256: - hashType = SHA256 - case SHA384WithRSA, SHA384WithRSAPSS, ECDSAWithSHA384: - hashType = SHA384 - case SHA512WithRSA, SHA512WithRSAPSS, ECDSAWithSHA512: - hashType = SHA512 - case MD2WithRSA, MD5WithRSA: - return InsecureAlgorithmError(algo) - case SM2WithSM3: // SM3WithRSA reserve - hashType = SM3 - default: - return ErrUnsupportedAlgorithm - } - - if !hashType.Available() { - return ErrUnsupportedAlgorithm - } - h := hashType.New() - - h.Write(signed) - digest := h.Sum(nil) - - switch pub := publicKey.(type) { - case *rsa.PublicKey: - if algo.isRSAPSS() { - return rsa.VerifyPSS(pub, crypto.Hash(hashType), digest, signature, &rsa.PSSOptions{SaltLength: rsa.PSSSaltLengthEqualsHash}) - } else { - return rsa.VerifyPKCS1v15(pub, crypto.Hash(hashType), digest, signature) - } - case *dsa.PublicKey: - dsaSig := new(dsaSignature) - if rest, err := asn1.Unmarshal(signature, dsaSig); err != nil { - return err - } else if len(rest) != 0 { - return errors.New("x509: trailing data after DSA signature") - } - if dsaSig.R.Sign() <= 0 || dsaSig.S.Sign() <= 0 { - return errors.New("x509: DSA signature contained zero or negative values") - } - if !dsa.Verify(pub, digest, dsaSig.R, dsaSig.S) { - return errors.New("x509: DSA verification failure") - } - return - case *ecdsa.PublicKey: - ecdsaSig := new(ecdsaSignature) - if rest, err := asn1.Unmarshal(signature, ecdsaSig); err != nil { - return err - } else if len(rest) != 0 { - return errors.New("x509: trailing data after ECDSA signature") - } - if ecdsaSig.R.Sign() <= 0 || ecdsaSig.S.Sign() <= 0 { - return errors.New("x509: ECDSA signature contained zero or negative values") - } - switch pub.Curve { - case P256Sm2(): - if !Verify(&PublicKey{ - Curve: pub.Curve, - X: pub.X, - Y: pub.Y, - }, digest, ecdsaSig.R, ecdsaSig.S) { - return errors.New("x509: SM2 verification failure") - } - default: - if !ecdsa.Verify(pub, digest, ecdsaSig.R, ecdsaSig.S) { - return errors.New("x509: ECDSA verification failure") - } - } - return - } - return ErrUnsupportedAlgorithm -} - -// CheckCRLSignature checks that the signature in crl is from c. -func (c *Certificate) CheckCRLSignature(crl *pkix.CertificateList) error { - algo := getSignatureAlgorithmFromAI(crl.SignatureAlgorithm) - return c.CheckSignature(algo, crl.TBSCertList.Raw, crl.SignatureValue.RightAlign()) -} - -type UnhandledCriticalExtension struct{} - -func (h UnhandledCriticalExtension) Error() string { - return "x509: unhandled critical extension" -} - -type basicConstraints struct { - IsCA bool `asn1:"optional"` - MaxPathLen int `asn1:"optional,default:-1"` -} - -// RFC 5280 4.2.1.4 -type policyInformation struct { - Policy asn1.ObjectIdentifier - // policyQualifiers omitted -} - -// RFC 5280, 4.2.1.10 -type nameConstraints struct { - Permitted []generalSubtree `asn1:"optional,tag:0"` - Excluded []generalSubtree `asn1:"optional,tag:1"` -} - -type generalSubtree struct { - Name string `asn1:"tag:2,optional,ia5"` -} - -// RFC 5280, 4.2.2.1 -type authorityInfoAccess struct { - Method asn1.ObjectIdentifier - Location asn1.RawValue -} - -// RFC 5280, 4.2.1.14 -type distributionPoint struct { - DistributionPoint distributionPointName `asn1:"optional,tag:0"` - Reason asn1.BitString `asn1:"optional,tag:1"` - CRLIssuer asn1.RawValue `asn1:"optional,tag:2"` -} - -type distributionPointName struct { - FullName asn1.RawValue `asn1:"optional,tag:0"` - RelativeName pkix.RDNSequence `asn1:"optional,tag:1"` -} - -// asn1Null is the ASN.1 encoding of a NULL value. -var asn1Null = []byte{5, 0} - -func parsePublicKey(algo PublicKeyAlgorithm, keyData *publicKeyInfo) (interface{}, error) { - asn1Data := keyData.PublicKey.RightAlign() - switch algo { - case RSA: - // RSA public keys must have a NULL in the parameters - // (https://tools.ietf.org/html/rfc3279#section-2.3.1). - if !bytes.Equal(keyData.Algorithm.Parameters.FullBytes, asn1Null) { - return nil, errors.New("x509: RSA key missing NULL parameters") - } - - p := new(rsaPublicKey) - rest, err := asn1.Unmarshal(asn1Data, p) - if err != nil { - return nil, err - } - if len(rest) != 0 { - return nil, errors.New("x509: trailing data after RSA public key") - } - - if p.N.Sign() <= 0 { - return nil, errors.New("x509: RSA modulus is not a positive number") - } - if p.E <= 0 { - return nil, errors.New("x509: RSA public exponent is not a positive number") - } - - pub := &rsa.PublicKey{ - E: p.E, - N: p.N, - } - return pub, nil - case DSA: - var p *big.Int - rest, err := asn1.Unmarshal(asn1Data, &p) - if err != nil { - return nil, err - } - if len(rest) != 0 { - return nil, errors.New("x509: trailing data after DSA public key") - } - paramsData := keyData.Algorithm.Parameters.FullBytes - params := new(dsaAlgorithmParameters) - rest, err = asn1.Unmarshal(paramsData, params) - if err != nil { - return nil, err - } - if len(rest) != 0 { - return nil, errors.New("x509: trailing data after DSA parameters") - } - if p.Sign() <= 0 || params.P.Sign() <= 0 || params.Q.Sign() <= 0 || params.G.Sign() <= 0 { - return nil, errors.New("x509: zero or negative DSA parameter") - } - pub := &dsa.PublicKey{ - Parameters: dsa.Parameters{ - P: params.P, - Q: params.Q, - G: params.G, - }, - Y: p, - } - return pub, nil - case ECDSA: - paramsData := keyData.Algorithm.Parameters.FullBytes - namedCurveOID := new(asn1.ObjectIdentifier) - rest, err := asn1.Unmarshal(paramsData, namedCurveOID) - if err != nil { - return nil, err - } - if len(rest) != 0 { - return nil, errors.New("x509: trailing data after ECDSA parameters") - } - namedCurve := namedCurveFromOID(*namedCurveOID) - if namedCurve == nil { - return nil, errors.New("x509: unsupported elliptic curve") - } - x, y := elliptic.Unmarshal(namedCurve, asn1Data) - if x == nil { - return nil, errors.New("x509: failed to unmarshal elliptic curve point") - } - pub := &ecdsa.PublicKey{ - Curve: namedCurve, - X: x, - Y: y, - } - return pub, nil - default: - return nil, nil - } -} - -func parseSANExtension(value []byte) (dnsNames, emailAddresses []string, ipAddresses []net.IP, err error) { - // RFC 5280, 4.2.1.6 - - // SubjectAltName ::= GeneralNames - // - // GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName - // - // GeneralName ::= CHOICE { - // otherName [0] OtherName, - // rfc822Name [1] IA5String, - // dNSName [2] IA5String, - // x400Address [3] ORAddress, - // directoryName [4] Name, - // ediPartyName [5] EDIPartyName, - // uniformResourceIdentifier [6] IA5String, - // iPAddress [7] OCTET STRING, - // registeredID [8] OBJECT IDENTIFIER } - var seq asn1.RawValue - var rest []byte - if rest, err = asn1.Unmarshal(value, &seq); err != nil { - return - } else if len(rest) != 0 { - err = errors.New("x509: trailing data after X.509 extension") - return - } - if !seq.IsCompound || seq.Tag != 16 || seq.Class != 0 { - err = asn1.StructuralError{Msg: "bad SAN sequence"} - return - } - - rest = seq.Bytes - for len(rest) > 0 { - var v asn1.RawValue - rest, err = asn1.Unmarshal(rest, &v) - if err != nil { - return - } - switch v.Tag { - case 1: - emailAddresses = append(emailAddresses, string(v.Bytes)) - case 2: - dnsNames = append(dnsNames, string(v.Bytes)) - case 7: - switch len(v.Bytes) { - case net.IPv4len, net.IPv6len: - ipAddresses = append(ipAddresses, v.Bytes) - default: - err = errors.New("x509: certificate contained IP address of length " + strconv.Itoa(len(v.Bytes))) - return - } - } - } - - return -} - -func parseCertificate(in *certificate) (*Certificate, error) { - out := new(Certificate) - out.Raw = in.Raw - out.RawTBSCertificate = in.TBSCertificate.Raw - out.RawSubjectPublicKeyInfo = in.TBSCertificate.PublicKey.Raw - out.RawSubject = in.TBSCertificate.Subject.FullBytes - out.RawIssuer = in.TBSCertificate.Issuer.FullBytes - - out.Signature = in.SignatureValue.RightAlign() - out.SignatureAlgorithm = - getSignatureAlgorithmFromAI(in.TBSCertificate.SignatureAlgorithm) - - out.PublicKeyAlgorithm = - getPublicKeyAlgorithmFromOID(in.TBSCertificate.PublicKey.Algorithm.Algorithm) - var err error - out.PublicKey, err = parsePublicKey(out.PublicKeyAlgorithm, &in.TBSCertificate.PublicKey) - if err != nil { - return nil, err - } - - out.Version = in.TBSCertificate.Version + 1 - out.SerialNumber = in.TBSCertificate.SerialNumber - - var issuer, subject pkix.RDNSequence - if rest, err := asn1.Unmarshal(in.TBSCertificate.Subject.FullBytes, &subject); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 subject") - } - if rest, err := asn1.Unmarshal(in.TBSCertificate.Issuer.FullBytes, &issuer); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 subject") - } - - out.Issuer.FillFromRDNSequence(&issuer) - out.Subject.FillFromRDNSequence(&subject) - - out.NotBefore = in.TBSCertificate.Validity.NotBefore - out.NotAfter = in.TBSCertificate.Validity.NotAfter - - for _, e := range in.TBSCertificate.Extensions { - out.Extensions = append(out.Extensions, e) - unhandled := false - - if len(e.Id) == 4 && e.Id[0] == 2 && e.Id[1] == 5 && e.Id[2] == 29 { - switch e.Id[3] { - case 15: - // RFC 5280, 4.2.1.3 - var usageBits asn1.BitString - if rest, err := asn1.Unmarshal(e.Value, &usageBits); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 KeyUsage") - } - - var usage int - for i := 0; i < 9; i++ { - if usageBits.At(i) != 0 { - usage |= 1 << uint(i) - } - } - out.KeyUsage = KeyUsage(usage) - - case 19: - // RFC 5280, 4.2.1.9 - var constraints basicConstraints - if rest, err := asn1.Unmarshal(e.Value, &constraints); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 BasicConstraints") - } - - out.BasicConstraintsValid = true - out.IsCA = constraints.IsCA - out.MaxPathLen = constraints.MaxPathLen - out.MaxPathLenZero = out.MaxPathLen == 0 - - case 17: - out.DNSNames, out.EmailAddresses, out.IPAddresses, err = parseSANExtension(e.Value) - if err != nil { - return nil, err - } - - if len(out.DNSNames) == 0 && len(out.EmailAddresses) == 0 && len(out.IPAddresses) == 0 { - // If we didn't parse anything then we do the critical check, below. - unhandled = true - } - - case 30: - // RFC 5280, 4.2.1.10 - - // NameConstraints ::= SEQUENCE { - // permittedSubtrees [0] GeneralSubtrees OPTIONAL, - // excludedSubtrees [1] GeneralSubtrees OPTIONAL } - // - // GeneralSubtrees ::= SEQUENCE SIZE (1..MAX) OF GeneralSubtree - // - // GeneralSubtree ::= SEQUENCE { - // base GeneralName, - // minimum [0] BaseDistance DEFAULT 0, - // maximum [1] BaseDistance OPTIONAL } - // - // BaseDistance ::= INTEGER (0..MAX) - - var constraints nameConstraints - if rest, err := asn1.Unmarshal(e.Value, &constraints); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 NameConstraints") - } - - if len(constraints.Excluded) > 0 && e.Critical { - return out, UnhandledCriticalExtension{} - } - - for _, subtree := range constraints.Permitted { - if len(subtree.Name) == 0 { - if e.Critical { - return out, UnhandledCriticalExtension{} - } - continue - } - out.PermittedDNSDomains = append(out.PermittedDNSDomains, subtree.Name) - } - - case 31: - // RFC 5280, 4.2.1.13 - - // CRLDistributionPoints ::= SEQUENCE SIZE (1..MAX) OF DistributionPoint - // - // DistributionPoint ::= SEQUENCE { - // distributionPoint [0] DistributionPointName OPTIONAL, - // reasons [1] ReasonFlags OPTIONAL, - // cRLIssuer [2] GeneralNames OPTIONAL } - // - // DistributionPointName ::= CHOICE { - // fullName [0] GeneralNames, - // nameRelativeToCRLIssuer [1] RelativeDistinguishedName } - - var cdp []distributionPoint - if rest, err := asn1.Unmarshal(e.Value, &cdp); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 CRL distribution point") - } - - for i := range cdp { - // use index & pointer here to avoid value copy (each iteration copies 200 bytes) - dp := &cdp[i] - // Per RFC 5280, 4.2.1.13, one of distributionPoint or cRLIssuer may be empty. - if len(dp.DistributionPoint.FullName.Bytes) == 0 { - continue - } - - var n asn1.RawValue - if _, err := asn1.Unmarshal(dp.DistributionPoint.FullName.Bytes, &n); err != nil { - return nil, err - } - // Trailing data after the fullName is - // allowed because other elements of - // the SEQUENCE can appear. - - if n.Tag == 6 { - out.CRLDistributionPoints = append(out.CRLDistributionPoints, string(n.Bytes)) - } - } - - case 35: - // RFC 5280, 4.2.1.1 - var a authKeyId - if rest, err := asn1.Unmarshal(e.Value, &a); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 authority key-id") - } - out.AuthorityKeyId = a.Id - - case 37: - // RFC 5280, 4.2.1.12. Extended Key Usage - - // id-ce-extKeyUsage OBJECT IDENTIFIER ::= { id-ce 37 } - // - // ExtKeyUsageSyntax ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId - // - // KeyPurposeId ::= OBJECT IDENTIFIER - - var keyUsage []asn1.ObjectIdentifier - if rest, err := asn1.Unmarshal(e.Value, &keyUsage); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 ExtendedKeyUsage") - } - - for _, u := range keyUsage { - if extKeyUsage, ok := extKeyUsageFromOID(u); ok { - out.ExtKeyUsage = append(out.ExtKeyUsage, extKeyUsage) - } else { - out.UnknownExtKeyUsage = append(out.UnknownExtKeyUsage, u) - } - } - - case 14: - // RFC 5280, 4.2.1.2 - var keyid []byte - if rest, err := asn1.Unmarshal(e.Value, &keyid); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 key-id") - } - out.SubjectKeyId = keyid - - case 32: - // RFC 5280 4.2.1.4: Certificate Policies - var policies []policyInformation - if rest, err := asn1.Unmarshal(e.Value, &policies); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 certificate policies") - } - out.PolicyIdentifiers = make([]asn1.ObjectIdentifier, len(policies)) - for i, policy := range policies { - out.PolicyIdentifiers[i] = policy.Policy - } - - default: - // Unknown extensions are recorded if critical. - unhandled = true - } - } else if e.Id.Equal(oidExtensionAuthorityInfoAccess) { - // RFC 5280 4.2.2.1: Authority Information Access - var aia []authorityInfoAccess - if rest, err := asn1.Unmarshal(e.Value, &aia); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 authority information") - } - - for _, v := range aia { - // GeneralName: uniformResourceIdentifier [6] IA5String - if v.Location.Tag != 6 { - continue - } - if v.Method.Equal(oidAuthorityInfoAccessOcsp) { - out.OCSPServer = append(out.OCSPServer, string(v.Location.Bytes)) - } else if v.Method.Equal(oidAuthorityInfoAccessIssuers) { - out.IssuingCertificateURL = append(out.IssuingCertificateURL, string(v.Location.Bytes)) - } - } - } else { - // Unknown extensions are recorded if critical. - unhandled = true - } - - if e.Critical && unhandled { - out.UnhandledCriticalExtensions = append(out.UnhandledCriticalExtensions, e.Id) - } - } - - return out, nil -} - -// ParseCertificate parses a single certificate from the given ASN.1 DER data. -func ParseCertificate(asn1Data []byte) (*Certificate, error) { - var cert certificate - rest, err := asn1.Unmarshal(asn1Data, &cert) - if err != nil { - return nil, err - } - if len(rest) > 0 { - return nil, asn1.SyntaxError{Msg: "trailing data"} - } - - return parseCertificate(&cert) -} - -// ParseCertificates parses one or more certificates from the given ASN.1 DER -// data. The certificates must be concatenated with no intermediate padding. -func ParseCertificates(asn1Data []byte) ([]*Certificate, error) { - var v []*certificate - - for len(asn1Data) > 0 { - cert := new(certificate) - var err error - asn1Data, err = asn1.Unmarshal(asn1Data, cert) - if err != nil { - return nil, err - } - v = append(v, cert) - } - - ret := make([]*Certificate, len(v)) - for i, ci := range v { - cert, err := parseCertificate(ci) - if err != nil { - return nil, err - } - ret[i] = cert - } - - return ret, nil -} - -func reverseBitsInAByte(in byte) byte { - b1 := in>>4 | in<<4 - b2 := b1>>2&0x33 | b1<<2&0xcc - b3 := b2>>1&0x55 | b2<<1&0xaa - return b3 -} - -// asn1BitLength returns the bit-length of bitString by considering the -// most-significant bit in a byte to be the "first" bit. This convention -// matches ASN.1, but differs from almost everything else. -func asn1BitLength(bitString []byte) int { - bitLen := len(bitString) * 8 - - for i := range bitString { - b := bitString[len(bitString)-i-1] - - for bit := uint(0); bit < 8; bit++ { - if (b>>bit)&1 == 1 { - return bitLen - } - bitLen-- - } - } - - return 0 -} - -var ( - oidExtensionSubjectKeyId = []int{2, 5, 29, 14} - oidExtensionKeyUsage = []int{2, 5, 29, 15} - oidExtensionExtendedKeyUsage = []int{2, 5, 29, 37} - oidExtensionAuthorityKeyId = []int{2, 5, 29, 35} - oidExtensionBasicConstraints = []int{2, 5, 29, 19} - oidExtensionSubjectAltName = []int{2, 5, 29, 17} - oidExtensionCertificatePolicies = []int{2, 5, 29, 32} - oidExtensionNameConstraints = []int{2, 5, 29, 30} - oidExtensionCRLDistributionPoints = []int{2, 5, 29, 31} - oidExtensionAuthorityInfoAccess = []int{1, 3, 6, 1, 5, 5, 7, 1, 1} -) - -var ( - oidAuthorityInfoAccessOcsp = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 48, 1} - oidAuthorityInfoAccessIssuers = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 48, 2} -) - -// oidNotInExtensions returns whether an extension with the given oid exists in -// extensions. -func oidInExtensions(oid asn1.ObjectIdentifier, extensions []pkix.Extension) bool { - for _, e := range extensions { - if e.Id.Equal(oid) { - return true - } - } - return false -} - -// marshalSANs marshals a list of addresses into a the contents of an X.509 -// SubjectAlternativeName extension. -func marshalSANs(dnsNames, emailAddresses []string, ipAddresses []net.IP) (derBytes []byte, err error) { - var rawValues []asn1.RawValue - for _, name := range dnsNames { - rawValues = append(rawValues, asn1.RawValue{Tag: 2, Class: 2, Bytes: []byte(name)}) - } - for _, email := range emailAddresses { - rawValues = append(rawValues, asn1.RawValue{Tag: 1, Class: 2, Bytes: []byte(email)}) - } - for _, rawIP := range ipAddresses { - // If possible, we always want to encode IPv4 addresses in 4 bytes. - ip := rawIP.To4() - if ip == nil { - ip = rawIP - } - rawValues = append(rawValues, asn1.RawValue{Tag: 7, Class: 2, Bytes: ip}) - } - return asn1.Marshal(rawValues) -} - -func buildExtensions(template *Certificate) (ret []pkix.Extension, err error) { - ret = make([]pkix.Extension, 10 /* maximum number of elements. */) - n := 0 - - if template.KeyUsage != 0 && - !oidInExtensions(oidExtensionKeyUsage, template.ExtraExtensions) { - ret[n].Id = oidExtensionKeyUsage - ret[n].Critical = true - - var a [2]byte - a[0] = reverseBitsInAByte(byte(template.KeyUsage)) - a[1] = reverseBitsInAByte(byte(template.KeyUsage >> 8)) - - l := 1 - if a[1] != 0 { - l = 2 - } - - bitString := a[:l] - ret[n].Value, err = asn1.Marshal(asn1.BitString{Bytes: bitString, BitLength: asn1BitLength(bitString)}) - if err != nil { - return - } - n++ - } - - if (len(template.ExtKeyUsage) > 0 || len(template.UnknownExtKeyUsage) > 0) && - !oidInExtensions(oidExtensionExtendedKeyUsage, template.ExtraExtensions) { - ret[n].Id = oidExtensionExtendedKeyUsage - - var oids []asn1.ObjectIdentifier - for _, u := range template.ExtKeyUsage { - if oid, ok := oidFromExtKeyUsage(u); ok { - oids = append(oids, oid) - } else { - panic("internal error") - } - } - - oids = append(oids, template.UnknownExtKeyUsage...) - - ret[n].Value, err = asn1.Marshal(oids) - if err != nil { - return - } - n++ - } - - if template.BasicConstraintsValid && !oidInExtensions(oidExtensionBasicConstraints, template.ExtraExtensions) { - // Leaving MaxPathLen as zero indicates that no maximum path - // length is desired, unless MaxPathLenZero is set. A value of - // -1 causes encoding/asn1 to omit the value as desired. - maxPathLen := template.MaxPathLen - if maxPathLen == 0 && !template.MaxPathLenZero { - maxPathLen = -1 - } - ret[n].Id = oidExtensionBasicConstraints - ret[n].Value, err = asn1.Marshal(basicConstraints{template.IsCA, maxPathLen}) - ret[n].Critical = true - if err != nil { - return - } - n++ - } - - if len(template.SubjectKeyId) > 0 && !oidInExtensions(oidExtensionSubjectKeyId, template.ExtraExtensions) { - ret[n].Id = oidExtensionSubjectKeyId - ret[n].Value, err = asn1.Marshal(template.SubjectKeyId) - if err != nil { - return - } - n++ - } - - if len(template.AuthorityKeyId) > 0 && !oidInExtensions(oidExtensionAuthorityKeyId, template.ExtraExtensions) { - ret[n].Id = oidExtensionAuthorityKeyId - ret[n].Value, err = asn1.Marshal(authKeyId{template.AuthorityKeyId}) - if err != nil { - return - } - n++ - } - - if (len(template.OCSPServer) > 0 || len(template.IssuingCertificateURL) > 0) && - !oidInExtensions(oidExtensionAuthorityInfoAccess, template.ExtraExtensions) { - ret[n].Id = oidExtensionAuthorityInfoAccess - var aiaValues []authorityInfoAccess - for _, name := range template.OCSPServer { - aiaValues = append(aiaValues, authorityInfoAccess{ - Method: oidAuthorityInfoAccessOcsp, - Location: asn1.RawValue{Tag: 6, Class: 2, Bytes: []byte(name)}, - }) - } - for _, name := range template.IssuingCertificateURL { - aiaValues = append(aiaValues, authorityInfoAccess{ - Method: oidAuthorityInfoAccessIssuers, - Location: asn1.RawValue{Tag: 6, Class: 2, Bytes: []byte(name)}, - }) - } - ret[n].Value, err = asn1.Marshal(aiaValues) - if err != nil { - return - } - n++ - } - - if (len(template.DNSNames) > 0 || len(template.EmailAddresses) > 0 || len(template.IPAddresses) > 0) && - !oidInExtensions(oidExtensionSubjectAltName, template.ExtraExtensions) { - ret[n].Id = oidExtensionSubjectAltName - ret[n].Value, err = marshalSANs(template.DNSNames, template.EmailAddresses, template.IPAddresses) - if err != nil { - return - } - n++ - } - - if len(template.PolicyIdentifiers) > 0 && - !oidInExtensions(oidExtensionCertificatePolicies, template.ExtraExtensions) { - ret[n].Id = oidExtensionCertificatePolicies - policies := make([]policyInformation, len(template.PolicyIdentifiers)) - for i, policy := range template.PolicyIdentifiers { - policies[i].Policy = policy - } - ret[n].Value, err = asn1.Marshal(policies) - if err != nil { - return - } - n++ - } - - if len(template.PermittedDNSDomains) > 0 && - !oidInExtensions(oidExtensionNameConstraints, template.ExtraExtensions) { - ret[n].Id = oidExtensionNameConstraints - ret[n].Critical = template.PermittedDNSDomainsCritical - - var out nameConstraints - out.Permitted = make([]generalSubtree, len(template.PermittedDNSDomains)) - for i, permitted := range template.PermittedDNSDomains { - out.Permitted[i] = generalSubtree{Name: permitted} - } - ret[n].Value, err = asn1.Marshal(out) - if err != nil { - return - } - n++ - } - - if len(template.CRLDistributionPoints) > 0 && - !oidInExtensions(oidExtensionCRLDistributionPoints, template.ExtraExtensions) { - ret[n].Id = oidExtensionCRLDistributionPoints - - var crlDp []distributionPoint - for _, name := range template.CRLDistributionPoints { - rawFullName, _ := asn1.Marshal(asn1.RawValue{Tag: 6, Class: 2, Bytes: []byte(name)}) - - dp := distributionPoint{ - DistributionPoint: distributionPointName{ - FullName: asn1.RawValue{Tag: 0, Class: 2, IsCompound: true, Bytes: rawFullName}, - }, - } - crlDp = append(crlDp, dp) - } - - ret[n].Value, err = asn1.Marshal(crlDp) - if err != nil { - return - } - n++ - } - - // Adding another extension here? Remember to update the maximum number - // of elements in the make() at the top of the function. - - return append(ret[:n], template.ExtraExtensions...), nil -} - -func subjectBytes(cert *Certificate) ([]byte, error) { - if len(cert.RawSubject) > 0 { - return cert.RawSubject, nil - } - - return asn1.Marshal(cert.Subject.ToRDNSequence()) -} - -// signingParamsForPublicKey returns the parameters to use for signing with -// priv. If requestedSigAlgo is not zero then it overrides the default -// signature algorithm. -func signingParamsForPublicKey(pub interface{}, requestedSigAlgo SignatureAlgorithm) (hashFunc Hash, sigAlgo pkix.AlgorithmIdentifier, err error) { - var pubType PublicKeyAlgorithm - - switch pub := pub.(type) { - case *rsa.PublicKey: - pubType = RSA - hashFunc = SHA256 - sigAlgo.Algorithm = oidSignatureSHA256WithRSA - sigAlgo.Parameters = asn1.RawValue{ - Tag: 5, - } - - case *ecdsa.PublicKey: - pubType = ECDSA - switch pub.Curve { - case elliptic.P224(), elliptic.P256(): - hashFunc = SHA256 - sigAlgo.Algorithm = oidSignatureECDSAWithSHA256 - case elliptic.P384(): - hashFunc = SHA384 - sigAlgo.Algorithm = oidSignatureECDSAWithSHA384 - case elliptic.P521(): - hashFunc = SHA512 - sigAlgo.Algorithm = oidSignatureECDSAWithSHA512 - default: - err = errors.New("x509: unknown elliptic curve") - } - case *PublicKey: - pubType = ECDSA - switch pub.Curve { - case P256Sm2(): - hashFunc = SM3 - sigAlgo.Algorithm = oidSignatureSM2WithSM3 - default: - err = errors.New("x509: unknown SM2 curve") - } - default: - err = errors.New("x509: only RSA and ECDSA keys supported") - } - - if err != nil { - return - } - - if requestedSigAlgo == 0 { - return - } - - found := false - for _, details := range signatureAlgorithmDetails { - if details.algo == requestedSigAlgo { - if details.pubKeyAlgo != pubType { - err = errors.New("x509: requested SignatureAlgorithm does not match private key type") - return - } - sigAlgo.Algorithm, hashFunc = details.oid, details.hash - if hashFunc == 0 { - err = errors.New("x509: cannot sign with hash function requested") - return - } - if requestedSigAlgo.isRSAPSS() { - sigAlgo.Parameters = rsaPSSParameters(hashFunc) - } - found = true - break - } - } - - if !found { - err = errors.New("x509: unknown SignatureAlgorithm") - } - - return -} - -// CreateCertificate creates a new certificate based on a template. The -// following members of template are used: SerialNumber, Subject, NotBefore, -// NotAfter, KeyUsage, ExtKeyUsage, UnknownExtKeyUsage, BasicConstraintsValid, -// IsCA, MaxPathLen, SubjectKeyId, DNSNames, PermittedDNSDomainsCritical, -// PermittedDNSDomains, SignatureAlgorithm. -// -// The certificate is signed by parent. If parent is equal to template then the -// certificate is self-signed. The parameter pub is the public key of the -// signee and priv is the private key of the signer. -// -// The returned slice is the certificate in DER encoding. -// -// All keys types that are implemented via crypto.Signer are supported (This -// includes *rsa.PublicKey and *ecdsa.PublicKey.) -func CreateCertificate(rand io.Reader, template, parent *Certificate, pub, priv interface{}) (cert []byte, err error) { - key, ok := priv.(crypto.Signer) - if !ok { - return nil, errors.New("x509: certificate private key does not implement crypto.Signer") - } - - if template.SerialNumber == nil { - return nil, errors.New("x509: no SerialNumber given") - } - - hashFunc, signatureAlgorithm, err := signingParamsForPublicKey(key.Public(), template.SignatureAlgorithm) - if err != nil { - return nil, err - } - - publicKeyBytes, publicKeyAlgorithm, err := marshalPublicKey(pub) - if err != nil { - return nil, err - } - - asn1Issuer, err := subjectBytes(parent) - if err != nil { - return - } - - asn1Subject, err := subjectBytes(template) - if err != nil { - return - } - - if !bytes.Equal(asn1Issuer, asn1Subject) && len(parent.SubjectKeyId) > 0 { - template.AuthorityKeyId = parent.SubjectKeyId - } - - extensions, err := buildExtensions(template) - if err != nil { - return - } - encodedPublicKey := asn1.BitString{BitLength: len(publicKeyBytes) * 8, Bytes: publicKeyBytes} - c := tbsCertificate{ - Version: 2, - SerialNumber: template.SerialNumber, - SignatureAlgorithm: signatureAlgorithm, - Issuer: asn1.RawValue{FullBytes: asn1Issuer}, - Validity: validity{template.NotBefore.UTC(), template.NotAfter.UTC()}, - Subject: asn1.RawValue{FullBytes: asn1Subject}, - PublicKey: publicKeyInfo{nil, publicKeyAlgorithm, encodedPublicKey}, - Extensions: extensions, - } - - tbsCertContents, err := asn1.Marshal(c) - if err != nil { - return - } - - c.Raw = tbsCertContents - - h := hashFunc.New() - h.Write(tbsCertContents) - digest := h.Sum(nil) - - var signerOpts crypto.SignerOpts - signerOpts = hashFunc - if template.SignatureAlgorithm != 0 && template.SignatureAlgorithm.isRSAPSS() { - signerOpts = &rsa.PSSOptions{ - SaltLength: rsa.PSSSaltLengthEqualsHash, - Hash: crypto.Hash(hashFunc), - } - } - - var signature []byte - signature, err = key.Sign(rand, digest, signerOpts) - if err != nil { - return - } - - return asn1.Marshal(certificate{ - nil, - c, - signatureAlgorithm, - asn1.BitString{Bytes: signature, BitLength: len(signature) * 8}, - }) -} - -// pemCRLPrefix is the magic string that indicates that we have a PEM encoded -// CRL. -var pemCRLPrefix = []byte("-----BEGIN X509 CRL") - -// pemType is the type of a PEM encoded CRL. -var pemType = "X509 CRL" - -// ParseCRL parses a CRL from the given bytes. It's often the case that PEM -// encoded CRLs will appear where they should be DER encoded, so this function -// will transparently handle PEM encoding as long as there isn't any leading -// garbage. -func ParseCRL(crlBytes []byte) (*pkix.CertificateList, error) { - if bytes.HasPrefix(crlBytes, pemCRLPrefix) { - block, _ := pem.Decode(crlBytes) - if block != nil && block.Type == pemType { - crlBytes = block.Bytes - } - } - return ParseDERCRL(crlBytes) -} - -// ParseDERCRL parses a DER encoded CRL from the given bytes. -func ParseDERCRL(derBytes []byte) (*pkix.CertificateList, error) { - certList := new(pkix.CertificateList) - if rest, err := asn1.Unmarshal(derBytes, certList); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after CRL") - } - return certList, nil -} - -// CreateCRL returns a DER encoded CRL, signed by this Certificate, that -// contains the given list of revoked certificates. -func (c *Certificate) CreateCRL(rand io.Reader, priv interface{}, revokedCerts []pkix.RevokedCertificate, now, expiry time.Time) (crlBytes []byte, err error) { - key, ok := priv.(crypto.Signer) - if !ok { - return nil, errors.New("x509: certificate private key does not implement crypto.Signer") - } - - hashFunc, signatureAlgorithm, err := signingParamsForPublicKey(key.Public(), 0) - if err != nil { - return nil, err - } - - // Force revocation times to UTC per RFC 5280. - revokedCertsUTC := make([]pkix.RevokedCertificate, len(revokedCerts)) - for i, rc := range revokedCerts { - rc.RevocationTime = rc.RevocationTime.UTC() - revokedCertsUTC[i] = rc - } - - tbsCertList := pkix.TBSCertificateList{ - Version: 1, - Signature: signatureAlgorithm, - Issuer: c.Subject.ToRDNSequence(), - ThisUpdate: now.UTC(), - NextUpdate: expiry.UTC(), - RevokedCertificates: revokedCertsUTC, - } - - // Authority Key Id - if len(c.SubjectKeyId) > 0 { - var aki pkix.Extension - aki.Id = oidExtensionAuthorityKeyId - aki.Value, err = asn1.Marshal(authKeyId{Id: c.SubjectKeyId}) - if err != nil { - return - } - tbsCertList.Extensions = append(tbsCertList.Extensions, aki) - } - - tbsCertListContents, err := asn1.Marshal(tbsCertList) - if err != nil { - return - } - - h := hashFunc.New() - h.Write(tbsCertListContents) - digest := h.Sum(nil) - - var signature []byte - signature, err = key.Sign(rand, digest, hashFunc) - if err != nil { - return - } - - return asn1.Marshal(pkix.CertificateList{ - TBSCertList: tbsCertList, - SignatureAlgorithm: signatureAlgorithm, - SignatureValue: asn1.BitString{Bytes: signature, BitLength: len(signature) * 8}, - }) -} - -// CertificateRequest represents a PKCS #10, certificate signature request. -type CertificateRequest struct { - Raw []byte // Complete ASN.1 DER content (CSR, signature algorithm and signature). - RawTBSCertificateRequest []byte // Certificate request info part of raw ASN.1 DER content. - RawSubjectPublicKeyInfo []byte // DER encoded SubjectPublicKeyInfo. - RawSubject []byte // DER encoded Subject. - - Version int - Signature []byte - SignatureAlgorithm SignatureAlgorithm - - PublicKeyAlgorithm PublicKeyAlgorithm - PublicKey interface{} - - Subject pkix.Name - - // Attributes is the dried husk of a bug and shouldn't be used. - Attributes []pkix.AttributeTypeAndValueSET - - // Extensions contains raw X.509 extensions. When parsing CSRs, this - // can be used to extract extensions that are not parsed by this - // package. - Extensions []pkix.Extension - - // ExtraExtensions contains extensions to be copied, raw, into any - // marshaled CSR. Values override any extensions that would otherwise - // be produced based on the other fields but are overridden by any - // extensions specified in Attributes. - // - // The ExtraExtensions field is not populated when parsing CSRs, see - // Extensions. - ExtraExtensions []pkix.Extension - - // Subject Alternate Name values. - DNSNames []string - EmailAddresses []string - IPAddresses []net.IP -} - -// These structures reflect the ASN.1 structure of X.509 certificate -// signature requests (see RFC 2986): - -type tbsCertificateRequest struct { - Raw asn1.RawContent - Version int - Subject asn1.RawValue - PublicKey publicKeyInfo - RawAttributes []asn1.RawValue `asn1:"tag:0"` -} - -type certificateRequest struct { - Raw asn1.RawContent - TBSCSR tbsCertificateRequest - SignatureAlgorithm pkix.AlgorithmIdentifier - SignatureValue asn1.BitString -} - -// oidExtensionRequest is a PKCS#9 OBJECT IDENTIFIER that indicates requested -// extensions in a CSR. -var oidExtensionRequest = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 9, 14} - -// newRawAttributes converts AttributeTypeAndValueSETs from a template -// CertificateRequest's Attributes into tbsCertificateRequest RawAttributes. -func newRawAttributes(attributes []pkix.AttributeTypeAndValueSET) ([]asn1.RawValue, error) { - var rawAttributes []asn1.RawValue - b, err := asn1.Marshal(attributes) - if err != nil { - return nil, err - } - rest, err := asn1.Unmarshal(b, &rawAttributes) - if err != nil { - return nil, err - } - if len(rest) != 0 { - return nil, errors.New("x509: failed to unmarshal raw CSR Attributes") - } - return rawAttributes, nil -} - -// parseRawAttributes Unmarshals RawAttributes intos AttributeTypeAndValueSETs. -func parseRawAttributes(rawAttributes []asn1.RawValue) []pkix.AttributeTypeAndValueSET { - var attributes []pkix.AttributeTypeAndValueSET - for _, rawAttr := range rawAttributes { - var attr pkix.AttributeTypeAndValueSET - rest, err := asn1.Unmarshal(rawAttr.FullBytes, &attr) - // Ignore attributes that don't parse into pkix.AttributeTypeAndValueSET - // (i.e.: challengePassword or unstructuredName). - if err == nil && len(rest) == 0 { - attributes = append(attributes, attr) - } - } - return attributes -} - -// parseCSRExtensions parses the attributes from a CSR and extracts any -// requested extensions. -func parseCSRExtensions(rawAttributes []asn1.RawValue) ([]pkix.Extension, error) { - // pkcs10Attribute reflects the Attribute structure from section 4.1 of - // https://tools.ietf.org/html/rfc2986. - type pkcs10Attribute struct { - Id asn1.ObjectIdentifier - Values []asn1.RawValue `asn1:"set"` - } - - var ret []pkix.Extension - for _, rawAttr := range rawAttributes { - var attr pkcs10Attribute - if rest, err := asn1.Unmarshal(rawAttr.FullBytes, &attr); err != nil || len(rest) != 0 || len(attr.Values) == 0 { - // Ignore attributes that don't parse. - continue - } - - if !attr.Id.Equal(oidExtensionRequest) { - continue - } - - var extensions []pkix.Extension - if _, err := asn1.Unmarshal(attr.Values[0].FullBytes, &extensions); err != nil { - return nil, err - } - ret = append(ret, extensions...) - } - - return ret, nil -} - -// CreateCertificateRequest creates a new certificate request based on a template. -// The following members of template are used: Subject, Attributes, -// SignatureAlgorithm, Extensions, DNSNames, EmailAddresses, and IPAddresses. -// The private key is the private key of the signer. -// -// The returned slice is the certificate request in DER encoding. -// -// All keys types that are implemented via crypto.Signer are supported (This -// includes *rsa.PublicKey and *ecdsa.PublicKey.) -func CreateCertificateRequest(rand io.Reader, template *CertificateRequest, priv interface{}) (csr []byte, err error) { - key, ok := priv.(crypto.Signer) - if !ok { - return nil, errors.New("x509: certificate private key does not implement crypto.Signer") - } - - var hashFunc Hash - var sigAlgo pkix.AlgorithmIdentifier - hashFunc, sigAlgo, err = signingParamsForPublicKey(key.Public(), template.SignatureAlgorithm) - if err != nil { - return nil, err - } - - var publicKeyBytes []byte - var publicKeyAlgorithm pkix.AlgorithmIdentifier - publicKeyBytes, publicKeyAlgorithm, err = marshalPublicKey(key.Public()) - if err != nil { - return nil, err - } - - var extensions []pkix.Extension - - if (len(template.DNSNames) > 0 || len(template.EmailAddresses) > 0 || len(template.IPAddresses) > 0) && - !oidInExtensions(oidExtensionSubjectAltName, template.ExtraExtensions) { - sanBytes, err := marshalSANs(template.DNSNames, template.EmailAddresses, template.IPAddresses) - if err != nil { - return nil, err - } - - extensions = append(extensions, pkix.Extension{ - Id: oidExtensionSubjectAltName, - Value: sanBytes, - }) - } - - extensions = append(extensions, template.ExtraExtensions...) - - var attributes []pkix.AttributeTypeAndValueSET - attributes = append(attributes, template.Attributes...) - - if len(extensions) > 0 { - // specifiedExtensions contains all the extensions that we - // found specified via template.Attributes. - specifiedExtensions := make(map[string]bool) - - for _, atvSet := range template.Attributes { - if !atvSet.Type.Equal(oidExtensionRequest) { - continue - } - - for _, atvs := range atvSet.Value { - for _, atv := range atvs { - specifiedExtensions[atv.Type.String()] = true - } - } - } - - atvs := make([]pkix.AttributeTypeAndValue, 0, len(extensions)) - for _, e := range extensions { - if specifiedExtensions[e.Id.String()] { - // Attributes already contained a value for - // this extension and it takes priority. - continue - } - - atvs = append(atvs, pkix.AttributeTypeAndValue{ - // There is no place for the critical flag in a CSR. - Type: e.Id, - Value: e.Value, - }) - } - - // Append the extensions to an existing attribute if possible. - appended := false - for _, atvSet := range attributes { - if !atvSet.Type.Equal(oidExtensionRequest) || len(atvSet.Value) == 0 { - continue - } - - atvSet.Value[0] = append(atvSet.Value[0], atvs...) - appended = true - break - } - - // Otherwise, add a new attribute for the extensions. - if !appended { - attributes = append(attributes, pkix.AttributeTypeAndValueSET{ - Type: oidExtensionRequest, - Value: [][]pkix.AttributeTypeAndValue{ - atvs, - }, - }) - } - } - - asn1Subject := template.RawSubject - if len(asn1Subject) == 0 { - asn1Subject, err = asn1.Marshal(template.Subject.ToRDNSequence()) - if err != nil { - return - } - } - - rawAttributes, err := newRawAttributes(attributes) - if err != nil { - return - } - - tbsCSR := tbsCertificateRequest{ - Version: 0, // PKCS #10, RFC 2986 - Subject: asn1.RawValue{FullBytes: asn1Subject}, - PublicKey: publicKeyInfo{ - Algorithm: publicKeyAlgorithm, - PublicKey: asn1.BitString{ - Bytes: publicKeyBytes, - BitLength: len(publicKeyBytes) * 8, - }, - }, - RawAttributes: rawAttributes, - } - - tbsCSRContents, err := asn1.Marshal(tbsCSR) - if err != nil { - return - } - tbsCSR.Raw = tbsCSRContents - - h := hashFunc.New() - h.Write(tbsCSRContents) - digest := h.Sum(nil) - - var signature []byte - signature, err = key.Sign(rand, digest, hashFunc) - if err != nil { - return - } - - return asn1.Marshal(certificateRequest{ - TBSCSR: tbsCSR, - SignatureAlgorithm: sigAlgo, - SignatureValue: asn1.BitString{ - Bytes: signature, - BitLength: len(signature) * 8, - }, - }) -} - -// ParseCertificateRequest parses a single certificate request from the -// given ASN.1 DER data. -func ParseCertificateRequest(asn1Data []byte) (*CertificateRequest, error) { - var csr certificateRequest - - rest, err := asn1.Unmarshal(asn1Data, &csr) - if err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, asn1.SyntaxError{Msg: "trailing data"} - } - - return parseCertificateRequest(&csr) -} - -func parseCertificateRequest(in *certificateRequest) (*CertificateRequest, error) { - out := &CertificateRequest{ - Raw: in.Raw, - RawTBSCertificateRequest: in.TBSCSR.Raw, - RawSubjectPublicKeyInfo: in.TBSCSR.PublicKey.Raw, - RawSubject: in.TBSCSR.Subject.FullBytes, - - Signature: in.SignatureValue.RightAlign(), - SignatureAlgorithm: getSignatureAlgorithmFromAI(in.SignatureAlgorithm), - - PublicKeyAlgorithm: getPublicKeyAlgorithmFromOID(in.TBSCSR.PublicKey.Algorithm.Algorithm), - - Version: in.TBSCSR.Version, - Attributes: parseRawAttributes(in.TBSCSR.RawAttributes), - } - - var err error - out.PublicKey, err = parsePublicKey(out.PublicKeyAlgorithm, &in.TBSCSR.PublicKey) - if err != nil { - return nil, err - } - - var subject pkix.RDNSequence - if rest, err := asn1.Unmarshal(in.TBSCSR.Subject.FullBytes, &subject); err != nil { - return nil, err - } else if len(rest) != 0 { - return nil, errors.New("x509: trailing data after X.509 Subject") - } - - out.Subject.FillFromRDNSequence(&subject) - - if out.Extensions, err = parseCSRExtensions(in.TBSCSR.RawAttributes); err != nil { - return nil, err - } - - for _, extension := range out.Extensions { - if extension.Id.Equal(oidExtensionSubjectAltName) { - out.DNSNames, out.EmailAddresses, out.IPAddresses, err = parseSANExtension(extension.Value) - if err != nil { - return nil, err - } - } - } - - return out, nil -} - -// CheckSignature reports whether the signature on c is valid. -func (c *CertificateRequest) CheckSignature() error { - return checkSignature(c.SignatureAlgorithm, c.RawTBSCertificateRequest, c.Signature, c.PublicKey) -} - -func ReadCertificateRequestFromMem(data []byte) (*CertificateRequest, error) { - block, _ := pem.Decode(data) - if block == nil { - return nil, errors.New("failed to decode certificate request") - } - return ParseCertificateRequest(block.Bytes) -} - -func ReadCertificateRequestFromPem(FileName string) (*CertificateRequest, error) { - data, err := ioutil.ReadFile(FileName) - if err != nil { - return nil, err - } - return ReadCertificateRequestFromMem(data) -} - -func CreateCertificateRequestToMem(template *CertificateRequest, privKey *PrivateKey) ([]byte, error) { - der, err := CreateCertificateRequest(rand.Reader, template, privKey) - if err != nil { - return nil, err - } - block := &pem.Block{ - Type: "CERTIFICATE REQUEST", - Bytes: der, - } - return pem.EncodeToMemory(block), nil -} - -func CreateCertificateRequestToPem(FileName string, template *CertificateRequest, - privKey *PrivateKey) (bool, error) { - der, err := CreateCertificateRequest(rand.Reader, template, privKey) - if err != nil { - return false, err - } - block := &pem.Block{ - Type: "CERTIFICATE REQUEST", - Bytes: der, - } - file, err := os.Create(FileName) - if err != nil { - return false, err - } - defer file.Close() - err = pem.Encode(file, block) - if err != nil { - return false, err - } - return true, nil -} - -func ReadCertificateFromMem(data []byte) (*Certificate, error) { - block, _ := pem.Decode(data) - if block == nil { - return nil, errors.New("failed to decode certificate request") - } - return ParseCertificate(block.Bytes) -} - -func ReadCertificateFromPem(FileName string) (*Certificate, error) { - data, err := ioutil.ReadFile(FileName) - if err != nil { - return nil, err - } - return ReadCertificateFromMem(data) -} - -func CreateCertificateToMem(template, parent *Certificate, pubKey *PublicKey, privKey *PrivateKey) ([]byte, error) { - der, err := CreateCertificate(rand.Reader, template, parent, pubKey, privKey) - if err != nil { - return nil, err - } - block := &pem.Block{ - Type: "CERTIFICATE", - Bytes: der, - } - return pem.EncodeToMemory(block), nil -} - -func CreateCertificateToPem(FileName string, template, parent *Certificate, pubKey *PublicKey, privKey *PrivateKey) (bool, error) { - der, err := CreateCertificate(rand.Reader, template, parent, pubKey, privKey) - if err != nil { - return false, err - } - block := &pem.Block{ - Type: "CERTIFICATE", - Bytes: der, - } - file, err := os.Create(FileName) - if err != nil { - return false, err - } - defer file.Close() - err = pem.Encode(file, block) - if err != nil { - return false, err - } - return true, nil -} diff --git a/vendor/github.com/tendermint/ed25519/LICENSE b/vendor/github.com/tendermint/ed25519/LICENSE deleted file mode 100644 index 74487567..00000000 --- a/vendor/github.com/tendermint/ed25519/LICENSE +++ /dev/null @@ -1,27 +0,0 @@ -Copyright (c) 2012 The Go Authors. All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright -notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above -copyright notice, this list of conditions and the following disclaimer -in the documentation and/or other materials provided with the -distribution. - * Neither the name of Google Inc. nor the names of its -contributors may be used to endorse or promote products derived from -this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/tendermint/ed25519/ed25519.go b/vendor/github.com/tendermint/ed25519/ed25519.go deleted file mode 100644 index 5a97cdeb..00000000 --- a/vendor/github.com/tendermint/ed25519/ed25519.go +++ /dev/null @@ -1,121 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package ed25519 implements the Ed25519 signature algorithm. See -// http://ed25519.cr.yp.to/. -package ed25519 - -// This code is a port of the public domain, "ref10" implementation of ed25519 -// from SUPERCOP. - -import ( - "crypto/sha512" - "crypto/subtle" - - "github.com/tendermint/ed25519/edwards25519" -) - -const ( - PublicKeySize = 32 - PrivateKeySize = 64 - SignatureSize = 64 -) - -// MakePublicKey makes a publicKey from the first half of privateKey. -func MakePublicKey(privateKey *[PrivateKeySize]byte) (publicKey *[PublicKeySize]byte) { - publicKey = new([32]byte) - - h := sha512.New() - h.Write(privateKey[:32]) - digest := h.Sum(nil) - - digest[0] &= 248 - digest[31] &= 127 - digest[31] |= 64 - - var A edwards25519.ExtendedGroupElement - var hBytes [32]byte - copy(hBytes[:], digest) - edwards25519.GeScalarMultBase(&A, &hBytes) - A.ToBytes(publicKey) - - copy(privateKey[32:], publicKey[:]) - return -} - -// Sign signs the message with privateKey and returns a signature. -func Sign(privateKey *[PrivateKeySize]byte, message []byte) *[SignatureSize]byte { - h := sha512.New() - h.Write(privateKey[:32]) - - var digest1, messageDigest, hramDigest [64]byte - var expandedSecretKey [32]byte - h.Sum(digest1[:0]) - copy(expandedSecretKey[:], digest1[:]) - expandedSecretKey[0] &= 248 - expandedSecretKey[31] &= 63 - expandedSecretKey[31] |= 64 - - h.Reset() - h.Write(digest1[32:]) - h.Write(message) - h.Sum(messageDigest[:0]) - - var messageDigestReduced [32]byte - edwards25519.ScReduce(&messageDigestReduced, &messageDigest) - var R edwards25519.ExtendedGroupElement - edwards25519.GeScalarMultBase(&R, &messageDigestReduced) - - var encodedR [32]byte - R.ToBytes(&encodedR) - - h.Reset() - h.Write(encodedR[:]) - h.Write(privateKey[32:]) - h.Write(message) - h.Sum(hramDigest[:0]) - var hramDigestReduced [32]byte - edwards25519.ScReduce(&hramDigestReduced, &hramDigest) - - var s [32]byte - edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced) - - signature := new([64]byte) - copy(signature[:], encodedR[:]) - copy(signature[32:], s[:]) - return signature -} - -// Verify returns true iff sig is a valid signature of message by publicKey. -func Verify(publicKey *[PublicKeySize]byte, message []byte, sig *[SignatureSize]byte) bool { - if sig[63]&224 != 0 { - return false - } - - var A edwards25519.ExtendedGroupElement - if !A.FromBytes(publicKey) { - return false - } - edwards25519.FeNeg(&A.X, &A.X) - edwards25519.FeNeg(&A.T, &A.T) - - h := sha512.New() - h.Write(sig[:32]) - h.Write(publicKey[:]) - h.Write(message) - var digest [64]byte - h.Sum(digest[:0]) - - var hReduced [32]byte - edwards25519.ScReduce(&hReduced, &digest) - - var R edwards25519.ProjectiveGroupElement - var b [32]byte - copy(b[:], sig[32:]) - edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &b) - - var checkR [32]byte - R.ToBytes(&checkR) - return subtle.ConstantTimeCompare(sig[:32], checkR[:]) == 1 -} diff --git a/vendor/github.com/tendermint/ed25519/edwards25519/const.go b/vendor/github.com/tendermint/ed25519/edwards25519/const.go deleted file mode 100644 index ea5b77a7..00000000 --- a/vendor/github.com/tendermint/ed25519/edwards25519/const.go +++ /dev/null @@ -1,1411 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package edwards25519 - -var d = FieldElement{ - -10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116, -} - -var d2 = FieldElement{ - -21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199, -} - -var SqrtM1 = FieldElement{ - -32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482, -} - -var A = FieldElement{ - 486662, 0, 0, 0, 0, 0, 0, 0, 0, 0, -} - -var bi = [8]PreComputedGroupElement{ - { - FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605}, - FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378}, - FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546}, - }, - { - FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024}, - FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574}, - FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357}, - }, - { - FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380}, - FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306}, - FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942}, - }, - { - FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766}, - FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701}, - FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300}, - }, - { - FieldElement{-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877}, - FieldElement{-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951}, - FieldElement{4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784}, - }, - { - FieldElement{-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436}, - FieldElement{25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918}, - FieldElement{23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877}, - }, - { - FieldElement{-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800}, - FieldElement{-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305}, - FieldElement{-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300}, - }, - { - FieldElement{-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876}, - FieldElement{-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619}, - FieldElement{-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683}, - }, -} - -var base = [32][8]PreComputedGroupElement{ - { - { - FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605}, - FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378}, - FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546}, - }, - { - FieldElement{-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303}, - FieldElement{-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081}, - FieldElement{26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697}, - }, - { - FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024}, - FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574}, - FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357}, - }, - { - FieldElement{-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540}, - FieldElement{23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397}, - FieldElement{7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325}, - }, - { - FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380}, - FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306}, - FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942}, - }, - { - FieldElement{-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777}, - FieldElement{-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737}, - FieldElement{-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652}, - }, - { - FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766}, - FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701}, - FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300}, - }, - { - FieldElement{14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726}, - FieldElement{-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955}, - FieldElement{27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425}, - }, - }, - { - { - FieldElement{-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171}, - FieldElement{27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510}, - FieldElement{17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660}, - }, - { - FieldElement{-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639}, - FieldElement{29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963}, - FieldElement{5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950}, - }, - { - FieldElement{-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568}, - FieldElement{12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335}, - 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FieldElement{22644454, -8761729, -16671776, 4884562, -3105614, -13559366, 30540766, -4286747, -13327787, -7515095}, - }, - { - FieldElement{-28017847, 9834845, 18617207, -2681312, -3401956, -13307506, 8205540, 13585437, -17127465, 15115439}, - FieldElement{23711543, -672915, 31206561, -8362711, 6164647, -9709987, -33535882, -1426096, 8236921, 16492939}, - FieldElement{-23910559, -13515526, -26299483, -4503841, 25005590, -7687270, 19574902, 10071562, 6708380, -6222424}, - }, - { - FieldElement{2101391, -4930054, 19702731, 2367575, -15427167, 1047675, 5301017, 9328700, 29955601, -11678310}, - FieldElement{3096359, 9271816, -21620864, -15521844, -14847996, -7592937, -25892142, -12635595, -9917575, 6216608}, - FieldElement{-32615849, 338663, -25195611, 2510422, -29213566, -13820213, 24822830, -6146567, -26767480, 7525079}, - }, - { - FieldElement{-23066649, -13985623, 16133487, -7896178, -3389565, 778788, -910336, -2782495, -19386633, 11994101}, - FieldElement{21691500, -13624626, -641331, -14367021, 3285881, -3483596, -25064666, 9718258, -7477437, 13381418}, - FieldElement{18445390, -4202236, 14979846, 11622458, -1727110, -3582980, 23111648, -6375247, 28535282, 15779576}, - }, - { - FieldElement{30098053, 3089662, -9234387, 16662135, -21306940, 11308411, -14068454, 12021730, 9955285, -16303356}, - FieldElement{9734894, -14576830, -7473633, -9138735, 2060392, 11313496, -18426029, 9924399, 20194861, 13380996}, - FieldElement{-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099}, - }, - }, - { - { - FieldElement{-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728}, - FieldElement{-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658}, - FieldElement{-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242}, - }, - { - FieldElement{-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001}, - FieldElement{-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766}, - FieldElement{18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373}, - }, - { - FieldElement{26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458}, - FieldElement{-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628}, - FieldElement{-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657}, - }, - { - FieldElement{-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062}, - FieldElement{25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616}, - FieldElement{31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014}, - }, - { - FieldElement{24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383}, - FieldElement{-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814}, - FieldElement{-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718}, - }, - { - FieldElement{30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417}, - FieldElement{2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222}, - FieldElement{33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444}, - }, - { - FieldElement{-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597}, - FieldElement{23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970}, - FieldElement{1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799}, - }, - { - FieldElement{-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647}, - FieldElement{13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511}, - FieldElement{-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032}, - }, - }, - { - { - FieldElement{9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834}, - FieldElement{-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461}, - FieldElement{29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062}, - }, - { - FieldElement{-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516}, - FieldElement{-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547}, - FieldElement{-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240}, - }, - { - FieldElement{-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038}, - FieldElement{-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741}, - FieldElement{16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103}, - }, - { - FieldElement{-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747}, - FieldElement{-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323}, - FieldElement{31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016}, - }, - { - FieldElement{-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373}, - FieldElement{15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228}, - FieldElement{-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141}, - }, - { - FieldElement{16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399}, - FieldElement{11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831}, - FieldElement{-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376}, - }, - { - FieldElement{-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313}, - FieldElement{-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958}, - FieldElement{-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577}, - }, - { - FieldElement{-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743}, - FieldElement{29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684}, - FieldElement{-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476}, - }, - }, -} diff --git a/vendor/github.com/tendermint/ed25519/edwards25519/edwards25519.go b/vendor/github.com/tendermint/ed25519/edwards25519/edwards25519.go deleted file mode 100644 index 90798185..00000000 --- a/vendor/github.com/tendermint/ed25519/edwards25519/edwards25519.go +++ /dev/null @@ -1,1773 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package edwards25519 implements operations in GF(2**255-19) and on an -// Edwards curve that is isomorphic to curve25519. See -// http://ed25519.cr.yp.to/. -package edwards25519 - -// This code is a port of the public domain, "ref10" implementation of ed25519 -// from SUPERCOP. - -// FieldElement represents an element of the field GF(2^255 - 19). An element -// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77 -// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on -// context. -type FieldElement [10]int32 - -var zero FieldElement - -func FeZero(fe *FieldElement) { - copy(fe[:], zero[:]) -} - -func FeOne(fe *FieldElement) { - FeZero(fe) - fe[0] = 1 -} - -func FeAdd(dst, a, b *FieldElement) { - dst[0] = a[0] + b[0] - dst[1] = a[1] + b[1] - dst[2] = a[2] + b[2] - dst[3] = a[3] + b[3] - dst[4] = a[4] + b[4] - dst[5] = a[5] + b[5] - dst[6] = a[6] + b[6] - dst[7] = a[7] + b[7] - dst[8] = a[8] + b[8] - dst[9] = a[9] + b[9] -} - -func FeSub(dst, a, b *FieldElement) { - dst[0] = a[0] - b[0] - dst[1] = a[1] - b[1] - dst[2] = a[2] - b[2] - dst[3] = a[3] - b[3] - dst[4] = a[4] - b[4] - dst[5] = a[5] - b[5] - dst[6] = a[6] - b[6] - dst[7] = a[7] - b[7] - dst[8] = a[8] - b[8] - dst[9] = a[9] - b[9] -} - -func FeCopy(dst, src *FieldElement) { - copy(dst[:], src[:]) -} - -// Replace (f,g) with (g,g) if b == 1; -// replace (f,g) with (f,g) if b == 0. -// -// Preconditions: b in {0,1}. -func FeCMove(f, g *FieldElement, b int32) { - b = -b - f[0] ^= b & (f[0] ^ g[0]) - f[1] ^= b & (f[1] ^ g[1]) - f[2] ^= b & (f[2] ^ g[2]) - f[3] ^= b & (f[3] ^ g[3]) - f[4] ^= b & (f[4] ^ g[4]) - f[5] ^= b & (f[5] ^ g[5]) - f[6] ^= b & (f[6] ^ g[6]) - f[7] ^= b & (f[7] ^ g[7]) - f[8] ^= b & (f[8] ^ g[8]) - f[9] ^= b & (f[9] ^ g[9]) -} - -func load3(in []byte) int64 { - var r int64 - r = int64(in[0]) - r |= int64(in[1]) << 8 - r |= int64(in[2]) << 16 - return r -} - -func load4(in []byte) int64 { - var r int64 - r = int64(in[0]) - r |= int64(in[1]) << 8 - r |= int64(in[2]) << 16 - r |= int64(in[3]) << 24 - return r -} - -func FeFromBytes(dst *FieldElement, src *[32]byte) { - h0 := load4(src[:]) - h1 := load3(src[4:]) << 6 - h2 := load3(src[7:]) << 5 - h3 := load3(src[10:]) << 3 - h4 := load3(src[13:]) << 2 - h5 := load4(src[16:]) - h6 := load3(src[20:]) << 7 - h7 := load3(src[23:]) << 5 - h8 := load3(src[26:]) << 4 - h9 := (load3(src[29:]) & 8388607) << 2 - - FeCombine(dst, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9) -} - -// FeToBytes marshals h to s. -// Preconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -// -// Write p=2^255-19; q=floor(h/p). -// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). -// -// Proof: -// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. -// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4. -// -// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). -// Then 0> 25 - q = (h[0] + q) >> 26 - q = (h[1] + q) >> 25 - q = (h[2] + q) >> 26 - q = (h[3] + q) >> 25 - q = (h[4] + q) >> 26 - q = (h[5] + q) >> 25 - q = (h[6] + q) >> 26 - q = (h[7] + q) >> 25 - q = (h[8] + q) >> 26 - q = (h[9] + q) >> 25 - - // Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. - h[0] += 19 * q - // Goal: Output h-2^255 q, which is between 0 and 2^255-20. - - carry[0] = h[0] >> 26 - h[1] += carry[0] - h[0] -= carry[0] << 26 - carry[1] = h[1] >> 25 - h[2] += carry[1] - h[1] -= carry[1] << 25 - carry[2] = h[2] >> 26 - h[3] += carry[2] - h[2] -= carry[2] << 26 - carry[3] = h[3] >> 25 - h[4] += carry[3] - h[3] -= carry[3] << 25 - carry[4] = h[4] >> 26 - h[5] += carry[4] - h[4] -= carry[4] << 26 - carry[5] = h[5] >> 25 - h[6] += carry[5] - h[5] -= carry[5] << 25 - carry[6] = h[6] >> 26 - h[7] += carry[6] - h[6] -= carry[6] << 26 - carry[7] = h[7] >> 25 - h[8] += carry[7] - h[7] -= carry[7] << 25 - carry[8] = h[8] >> 26 - h[9] += carry[8] - h[8] -= carry[8] << 26 - carry[9] = h[9] >> 25 - h[9] -= carry[9] << 25 - // h10 = carry9 - - // Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - // Have h[0]+...+2^230 h[9] between 0 and 2^255-1; - // evidently 2^255 h10-2^255 q = 0. - // Goal: Output h[0]+...+2^230 h[9]. - - s[0] = byte(h[0] >> 0) - s[1] = byte(h[0] >> 8) - s[2] = byte(h[0] >> 16) - s[3] = byte((h[0] >> 24) | (h[1] << 2)) - s[4] = byte(h[1] >> 6) - s[5] = byte(h[1] >> 14) - s[6] = byte((h[1] >> 22) | (h[2] << 3)) - s[7] = byte(h[2] >> 5) - s[8] = byte(h[2] >> 13) - s[9] = byte((h[2] >> 21) | (h[3] << 5)) - s[10] = byte(h[3] >> 3) - s[11] = byte(h[3] >> 11) - s[12] = byte((h[3] >> 19) | (h[4] << 6)) - s[13] = byte(h[4] >> 2) - s[14] = byte(h[4] >> 10) - s[15] = byte(h[4] >> 18) - s[16] = byte(h[5] >> 0) - s[17] = byte(h[5] >> 8) - s[18] = byte(h[5] >> 16) - s[19] = byte((h[5] >> 24) | (h[6] << 1)) - s[20] = byte(h[6] >> 7) - s[21] = byte(h[6] >> 15) - s[22] = byte((h[6] >> 23) | (h[7] << 3)) - s[23] = byte(h[7] >> 5) - s[24] = byte(h[7] >> 13) - s[25] = byte((h[7] >> 21) | (h[8] << 4)) - s[26] = byte(h[8] >> 4) - s[27] = byte(h[8] >> 12) - s[28] = byte((h[8] >> 20) | (h[9] << 6)) - s[29] = byte(h[9] >> 2) - s[30] = byte(h[9] >> 10) - s[31] = byte(h[9] >> 18) -} - -func FeIsNegative(f *FieldElement) byte { - var s [32]byte - FeToBytes(&s, f) - return s[0] & 1 -} - -func FeIsNonZero(f *FieldElement) int32 { - var s [32]byte - FeToBytes(&s, f) - var x uint8 - for _, b := range s { - x |= b - } - x |= x >> 4 - x |= x >> 2 - x |= x >> 1 - return int32(x & 1) -} - -// FeNeg sets h = -f -// -// Preconditions: -// |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -// -// Postconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -func FeNeg(h, f *FieldElement) { - h[0] = -f[0] - h[1] = -f[1] - h[2] = -f[2] - h[3] = -f[3] - h[4] = -f[4] - h[5] = -f[5] - h[6] = -f[6] - h[7] = -f[7] - h[8] = -f[8] - h[9] = -f[9] -} - -func FeCombine(h *FieldElement, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) { - var c0, c1, c2, c3, c4, c5, c6, c7, c8, c9 int64 - - /* - |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38)) - i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8 - |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19)) - i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9 - */ - - c0 = (h0 + (1 << 25)) >> 26 - h1 += c0 - h0 -= c0 << 26 - c4 = (h4 + (1 << 25)) >> 26 - h5 += c4 - h4 -= c4 << 26 - /* |h0| <= 2^25 */ - /* |h4| <= 2^25 */ - /* |h1| <= 1.51*2^58 */ - /* |h5| <= 1.51*2^58 */ - - c1 = (h1 + (1 << 24)) >> 25 - h2 += c1 - h1 -= c1 << 25 - c5 = (h5 + (1 << 24)) >> 25 - h6 += c5 - h5 -= c5 << 25 - /* |h1| <= 2^24; from now on fits into int32 */ - /* |h5| <= 2^24; from now on fits into int32 */ - /* |h2| <= 1.21*2^59 */ - /* |h6| <= 1.21*2^59 */ - - c2 = (h2 + (1 << 25)) >> 26 - h3 += c2 - h2 -= c2 << 26 - c6 = (h6 + (1 << 25)) >> 26 - h7 += c6 - h6 -= c6 << 26 - /* |h2| <= 2^25; from now on fits into int32 unchanged */ - /* |h6| <= 2^25; from now on fits into int32 unchanged */ - /* |h3| <= 1.51*2^58 */ - /* |h7| <= 1.51*2^58 */ - - c3 = (h3 + (1 << 24)) >> 25 - h4 += c3 - h3 -= c3 << 25 - c7 = (h7 + (1 << 24)) >> 25 - h8 += c7 - h7 -= c7 << 25 - /* |h3| <= 2^24; from now on fits into int32 unchanged */ - /* |h7| <= 2^24; from now on fits into int32 unchanged */ - /* |h4| <= 1.52*2^33 */ - /* |h8| <= 1.52*2^33 */ - - c4 = (h4 + (1 << 25)) >> 26 - h5 += c4 - h4 -= c4 << 26 - c8 = (h8 + (1 << 25)) >> 26 - h9 += c8 - h8 -= c8 << 26 - /* |h4| <= 2^25; from now on fits into int32 unchanged */ - /* |h8| <= 2^25; from now on fits into int32 unchanged */ - /* |h5| <= 1.01*2^24 */ - /* |h9| <= 1.51*2^58 */ - - c9 = (h9 + (1 << 24)) >> 25 - h0 += c9 * 19 - h9 -= c9 << 25 - /* |h9| <= 2^24; from now on fits into int32 unchanged */ - /* |h0| <= 1.8*2^37 */ - - c0 = (h0 + (1 << 25)) >> 26 - h1 += c0 - h0 -= c0 << 26 - /* |h0| <= 2^25; from now on fits into int32 unchanged */ - /* |h1| <= 1.01*2^24 */ - - h[0] = int32(h0) - h[1] = int32(h1) - h[2] = int32(h2) - h[3] = int32(h3) - h[4] = int32(h4) - h[5] = int32(h5) - h[6] = int32(h6) - h[7] = int32(h7) - h[8] = int32(h8) - h[9] = int32(h9) -} - -// FeMul calculates h = f * g -// Can overlap h with f or g. -// -// Preconditions: -// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// -// Postconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -// -// Notes on implementation strategy: -// -// Using schoolbook multiplication. -// Karatsuba would save a little in some cost models. -// -// Most multiplications by 2 and 19 are 32-bit precomputations; -// cheaper than 64-bit postcomputations. -// -// There is one remaining multiplication by 19 in the carry chain; -// one *19 precomputation can be merged into this, -// but the resulting data flow is considerably less clean. -// -// There are 12 carries below. -// 10 of them are 2-way parallelizable and vectorizable. -// Can get away with 11 carries, but then data flow is much deeper. -// -// With tighter constraints on inputs can squeeze carries into int32. -func FeMul(h, f, g *FieldElement) { - f0 := int64(f[0]) - f1 := int64(f[1]) - f2 := int64(f[2]) - f3 := int64(f[3]) - f4 := int64(f[4]) - f5 := int64(f[5]) - f6 := int64(f[6]) - f7 := int64(f[7]) - f8 := int64(f[8]) - f9 := int64(f[9]) - - f1_2 := int64(2 * f[1]) - f3_2 := int64(2 * f[3]) - f5_2 := int64(2 * f[5]) - f7_2 := int64(2 * f[7]) - f9_2 := int64(2 * f[9]) - - g0 := int64(g[0]) - g1 := int64(g[1]) - g2 := int64(g[2]) - g3 := int64(g[3]) - g4 := int64(g[4]) - g5 := int64(g[5]) - g6 := int64(g[6]) - g7 := int64(g[7]) - g8 := int64(g[8]) - g9 := int64(g[9]) - - g1_19 := int64(19 * g[1]) /* 1.4*2^29 */ - g2_19 := int64(19 * g[2]) /* 1.4*2^30; still ok */ - g3_19 := int64(19 * g[3]) - g4_19 := int64(19 * g[4]) - g5_19 := int64(19 * g[5]) - g6_19 := int64(19 * g[6]) - g7_19 := int64(19 * g[7]) - g8_19 := int64(19 * g[8]) - g9_19 := int64(19 * g[9]) - - h0 := f0*g0 + f1_2*g9_19 + f2*g8_19 + f3_2*g7_19 + f4*g6_19 + f5_2*g5_19 + f6*g4_19 + f7_2*g3_19 + f8*g2_19 + f9_2*g1_19 - h1 := f0*g1 + f1*g0 + f2*g9_19 + f3*g8_19 + f4*g7_19 + f5*g6_19 + f6*g5_19 + f7*g4_19 + f8*g3_19 + f9*g2_19 - h2 := f0*g2 + f1_2*g1 + f2*g0 + f3_2*g9_19 + f4*g8_19 + f5_2*g7_19 + f6*g6_19 + f7_2*g5_19 + f8*g4_19 + f9_2*g3_19 - h3 := f0*g3 + f1*g2 + f2*g1 + f3*g0 + f4*g9_19 + f5*g8_19 + f6*g7_19 + f7*g6_19 + f8*g5_19 + f9*g4_19 - h4 := f0*g4 + f1_2*g3 + f2*g2 + f3_2*g1 + f4*g0 + f5_2*g9_19 + f6*g8_19 + f7_2*g7_19 + f8*g6_19 + f9_2*g5_19 - h5 := f0*g5 + f1*g4 + f2*g3 + f3*g2 + f4*g1 + f5*g0 + f6*g9_19 + f7*g8_19 + f8*g7_19 + f9*g6_19 - h6 := f0*g6 + f1_2*g5 + f2*g4 + f3_2*g3 + f4*g2 + f5_2*g1 + f6*g0 + f7_2*g9_19 + f8*g8_19 + f9_2*g7_19 - h7 := f0*g7 + f1*g6 + f2*g5 + f3*g4 + f4*g3 + f5*g2 + f6*g1 + f7*g0 + f8*g9_19 + f9*g8_19 - h8 := f0*g8 + f1_2*g7 + f2*g6 + f3_2*g5 + f4*g4 + f5_2*g3 + f6*g2 + f7_2*g1 + f8*g0 + f9_2*g9_19 - h9 := f0*g9 + f1*g8 + f2*g7 + f3*g6 + f4*g5 + f5*g4 + f6*g3 + f7*g2 + f8*g1 + f9*g0 - - FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9) -} - -func feSquare(f *FieldElement) (h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) { - f0 := int64(f[0]) - f1 := int64(f[1]) - f2 := int64(f[2]) - f3 := int64(f[3]) - f4 := int64(f[4]) - f5 := int64(f[5]) - f6 := int64(f[6]) - f7 := int64(f[7]) - f8 := int64(f[8]) - f9 := int64(f[9]) - f0_2 := int64(2 * f[0]) - f1_2 := int64(2 * f[1]) - f2_2 := int64(2 * f[2]) - f3_2 := int64(2 * f[3]) - f4_2 := int64(2 * f[4]) - f5_2 := int64(2 * f[5]) - f6_2 := int64(2 * f[6]) - f7_2 := int64(2 * f[7]) - f5_38 := 38 * f5 // 1.31*2^30 - f6_19 := 19 * f6 // 1.31*2^30 - f7_38 := 38 * f7 // 1.31*2^30 - f8_19 := 19 * f8 // 1.31*2^30 - f9_38 := 38 * f9 // 1.31*2^30 - - h0 = f0*f0 + f1_2*f9_38 + f2_2*f8_19 + f3_2*f7_38 + f4_2*f6_19 + f5*f5_38 - h1 = f0_2*f1 + f2*f9_38 + f3_2*f8_19 + f4*f7_38 + f5_2*f6_19 - h2 = f0_2*f2 + f1_2*f1 + f3_2*f9_38 + f4_2*f8_19 + f5_2*f7_38 + f6*f6_19 - h3 = f0_2*f3 + f1_2*f2 + f4*f9_38 + f5_2*f8_19 + f6*f7_38 - h4 = f0_2*f4 + f1_2*f3_2 + f2*f2 + f5_2*f9_38 + f6_2*f8_19 + f7*f7_38 - h5 = f0_2*f5 + f1_2*f4 + f2_2*f3 + f6*f9_38 + f7_2*f8_19 - h6 = f0_2*f6 + f1_2*f5_2 + f2_2*f4 + f3_2*f3 + f7_2*f9_38 + f8*f8_19 - h7 = f0_2*f7 + f1_2*f6 + f2_2*f5 + f3_2*f4 + f8*f9_38 - h8 = f0_2*f8 + f1_2*f7_2 + f2_2*f6 + f3_2*f5_2 + f4*f4 + f9*f9_38 - h9 = f0_2*f9 + f1_2*f8 + f2_2*f7 + f3_2*f6 + f4_2*f5 - - return -} - -// FeSquare calculates h = f*f. Can overlap h with f. -// -// Preconditions: -// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. -// -// Postconditions: -// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. -func FeSquare(h, f *FieldElement) { - h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f) - FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9) -} - -// FeSquare2 sets h = 2 * f * f -// -// Can overlap h with f. -// -// Preconditions: -// |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. -// -// Postconditions: -// |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. -// See fe_mul.c for discussion of implementation strategy. -func FeSquare2(h, f *FieldElement) { - h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f) - - h0 += h0 - h1 += h1 - h2 += h2 - h3 += h3 - h4 += h4 - h5 += h5 - h6 += h6 - h7 += h7 - h8 += h8 - h9 += h9 - - FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9) -} - -func FeInvert(out, z *FieldElement) { - var t0, t1, t2, t3 FieldElement - var i int - - FeSquare(&t0, z) // 2^1 - FeSquare(&t1, &t0) // 2^2 - for i = 1; i < 2; i++ { // 2^3 - FeSquare(&t1, &t1) - } - FeMul(&t1, z, &t1) // 2^3 + 2^0 - FeMul(&t0, &t0, &t1) // 2^3 + 2^1 + 2^0 - FeSquare(&t2, &t0) // 2^4 + 2^2 + 2^1 - FeMul(&t1, &t1, &t2) // 2^4 + 2^3 + 2^2 + 2^1 + 2^0 - FeSquare(&t2, &t1) // 5,4,3,2,1 - for i = 1; i < 5; i++ { // 9,8,7,6,5 - FeSquare(&t2, &t2) - } - FeMul(&t1, &t2, &t1) // 9,8,7,6,5,4,3,2,1,0 - FeSquare(&t2, &t1) // 10..1 - for i = 1; i < 10; i++ { // 19..10 - FeSquare(&t2, &t2) - } - FeMul(&t2, &t2, &t1) // 19..0 - FeSquare(&t3, &t2) // 20..1 - for i = 1; i < 20; i++ { // 39..20 - FeSquare(&t3, &t3) - } - FeMul(&t2, &t3, &t2) // 39..0 - FeSquare(&t2, &t2) // 40..1 - for i = 1; i < 10; i++ { // 49..10 - FeSquare(&t2, &t2) - } - FeMul(&t1, &t2, &t1) // 49..0 - FeSquare(&t2, &t1) // 50..1 - for i = 1; i < 50; i++ { // 99..50 - FeSquare(&t2, &t2) - } - FeMul(&t2, &t2, &t1) // 99..0 - FeSquare(&t3, &t2) // 100..1 - for i = 1; i < 100; i++ { // 199..100 - FeSquare(&t3, &t3) - } - FeMul(&t2, &t3, &t2) // 199..0 - FeSquare(&t2, &t2) // 200..1 - for i = 1; i < 50; i++ { // 249..50 - FeSquare(&t2, &t2) - } - FeMul(&t1, &t2, &t1) // 249..0 - FeSquare(&t1, &t1) // 250..1 - for i = 1; i < 5; i++ { // 254..5 - FeSquare(&t1, &t1) - } - FeMul(out, &t1, &t0) // 254..5,3,1,0 -} - -func fePow22523(out, z *FieldElement) { - var t0, t1, t2 FieldElement - var i int - - FeSquare(&t0, z) - for i = 1; i < 1; i++ { - FeSquare(&t0, &t0) - } - FeSquare(&t1, &t0) - for i = 1; i < 2; i++ { - FeSquare(&t1, &t1) - } - FeMul(&t1, z, &t1) - FeMul(&t0, &t0, &t1) - FeSquare(&t0, &t0) - for i = 1; i < 1; i++ { - FeSquare(&t0, &t0) - } - FeMul(&t0, &t1, &t0) - FeSquare(&t1, &t0) - for i = 1; i < 5; i++ { - FeSquare(&t1, &t1) - } - FeMul(&t0, &t1, &t0) - FeSquare(&t1, &t0) - for i = 1; i < 10; i++ { - FeSquare(&t1, &t1) - } - FeMul(&t1, &t1, &t0) - FeSquare(&t2, &t1) - for i = 1; i < 20; i++ { - FeSquare(&t2, &t2) - } - FeMul(&t1, &t2, &t1) - FeSquare(&t1, &t1) - for i = 1; i < 10; i++ { - FeSquare(&t1, &t1) - } - FeMul(&t0, &t1, &t0) - FeSquare(&t1, &t0) - for i = 1; i < 50; i++ { - FeSquare(&t1, &t1) - } - FeMul(&t1, &t1, &t0) - FeSquare(&t2, &t1) - for i = 1; i < 100; i++ { - FeSquare(&t2, &t2) - } - FeMul(&t1, &t2, &t1) - FeSquare(&t1, &t1) - for i = 1; i < 50; i++ { - FeSquare(&t1, &t1) - } - FeMul(&t0, &t1, &t0) - FeSquare(&t0, &t0) - for i = 1; i < 2; i++ { - FeSquare(&t0, &t0) - } - FeMul(out, &t0, z) -} - -// Group elements are members of the elliptic curve -x^2 + y^2 = 1 + d * x^2 * -// y^2 where d = -121665/121666. -// -// Several representations are used: -// ProjectiveGroupElement: (X:Y:Z) satisfying x=X/Z, y=Y/Z -// ExtendedGroupElement: (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT -// CompletedGroupElement: ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T -// PreComputedGroupElement: (y+x,y-x,2dxy) - -type ProjectiveGroupElement struct { - X, Y, Z FieldElement -} - -type ExtendedGroupElement struct { - X, Y, Z, T FieldElement -} - -type CompletedGroupElement struct { - X, Y, Z, T FieldElement -} - -type PreComputedGroupElement struct { - yPlusX, yMinusX, xy2d FieldElement -} - -type CachedGroupElement struct { - yPlusX, yMinusX, Z, T2d FieldElement -} - -func (p *ProjectiveGroupElement) Zero() { - FeZero(&p.X) - FeOne(&p.Y) - FeOne(&p.Z) -} - -func (p *ProjectiveGroupElement) Double(r *CompletedGroupElement) { - var t0 FieldElement - - FeSquare(&r.X, &p.X) - FeSquare(&r.Z, &p.Y) - FeSquare2(&r.T, &p.Z) - FeAdd(&r.Y, &p.X, &p.Y) - FeSquare(&t0, &r.Y) - FeAdd(&r.Y, &r.Z, &r.X) - FeSub(&r.Z, &r.Z, &r.X) - FeSub(&r.X, &t0, &r.Y) - FeSub(&r.T, &r.T, &r.Z) -} - -func (p *ProjectiveGroupElement) ToBytes(s *[32]byte) { - var recip, x, y FieldElement - - FeInvert(&recip, &p.Z) - FeMul(&x, &p.X, &recip) - FeMul(&y, &p.Y, &recip) - FeToBytes(s, &y) - s[31] ^= FeIsNegative(&x) << 7 -} - -func (p *ExtendedGroupElement) Zero() { - FeZero(&p.X) - FeOne(&p.Y) - FeOne(&p.Z) - FeZero(&p.T) -} - -func (p *ExtendedGroupElement) Double(r *CompletedGroupElement) { - var q ProjectiveGroupElement - p.ToProjective(&q) - q.Double(r) -} - -func (p *ExtendedGroupElement) ToCached(r *CachedGroupElement) { - FeAdd(&r.yPlusX, &p.Y, &p.X) - FeSub(&r.yMinusX, &p.Y, &p.X) - FeCopy(&r.Z, &p.Z) - FeMul(&r.T2d, &p.T, &d2) -} - -func (p *ExtendedGroupElement) ToProjective(r *ProjectiveGroupElement) { - FeCopy(&r.X, &p.X) - FeCopy(&r.Y, &p.Y) - FeCopy(&r.Z, &p.Z) -} - -func (p *ExtendedGroupElement) ToBytes(s *[32]byte) { - var recip, x, y FieldElement - - FeInvert(&recip, &p.Z) - FeMul(&x, &p.X, &recip) - FeMul(&y, &p.Y, &recip) - FeToBytes(s, &y) - s[31] ^= FeIsNegative(&x) << 7 -} - -func (p *ExtendedGroupElement) FromBytes(s *[32]byte) bool { - var u, v, v3, vxx, check FieldElement - - FeFromBytes(&p.Y, s) - FeOne(&p.Z) - FeSquare(&u, &p.Y) - FeMul(&v, &u, &d) - FeSub(&u, &u, &p.Z) // y = y^2-1 - FeAdd(&v, &v, &p.Z) // v = dy^2+1 - - FeSquare(&v3, &v) - FeMul(&v3, &v3, &v) // v3 = v^3 - FeSquare(&p.X, &v3) - FeMul(&p.X, &p.X, &v) - FeMul(&p.X, &p.X, &u) // x = uv^7 - - fePow22523(&p.X, &p.X) // x = (uv^7)^((q-5)/8) - FeMul(&p.X, &p.X, &v3) - FeMul(&p.X, &p.X, &u) // x = uv^3(uv^7)^((q-5)/8) - - var tmpX, tmp2 [32]byte - - FeSquare(&vxx, &p.X) - FeMul(&vxx, &vxx, &v) - FeSub(&check, &vxx, &u) // vx^2-u - if FeIsNonZero(&check) == 1 { - FeAdd(&check, &vxx, &u) // vx^2+u - if FeIsNonZero(&check) == 1 { - return false - } - FeMul(&p.X, &p.X, &SqrtM1) - - FeToBytes(&tmpX, &p.X) - for i, v := range tmpX { - tmp2[31-i] = v - } - } - - if FeIsNegative(&p.X) != (s[31] >> 7) { - FeNeg(&p.X, &p.X) - } - - FeMul(&p.T, &p.X, &p.Y) - return true -} - -func (p *CompletedGroupElement) ToProjective(r *ProjectiveGroupElement) { - FeMul(&r.X, &p.X, &p.T) - FeMul(&r.Y, &p.Y, &p.Z) - FeMul(&r.Z, &p.Z, &p.T) -} - -func (p *CompletedGroupElement) ToExtended(r *ExtendedGroupElement) { - FeMul(&r.X, &p.X, &p.T) - FeMul(&r.Y, &p.Y, &p.Z) - FeMul(&r.Z, &p.Z, &p.T) - FeMul(&r.T, &p.X, &p.Y) -} - -func (p *PreComputedGroupElement) Zero() { - FeOne(&p.yPlusX) - FeOne(&p.yMinusX) - FeZero(&p.xy2d) -} - -func geAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) { - var t0 FieldElement - - FeAdd(&r.X, &p.Y, &p.X) - FeSub(&r.Y, &p.Y, &p.X) - FeMul(&r.Z, &r.X, &q.yPlusX) - FeMul(&r.Y, &r.Y, &q.yMinusX) - FeMul(&r.T, &q.T2d, &p.T) - FeMul(&r.X, &p.Z, &q.Z) - FeAdd(&t0, &r.X, &r.X) - FeSub(&r.X, &r.Z, &r.Y) - FeAdd(&r.Y, &r.Z, &r.Y) - FeAdd(&r.Z, &t0, &r.T) - FeSub(&r.T, &t0, &r.T) -} - -func geSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) { - var t0 FieldElement - - FeAdd(&r.X, &p.Y, &p.X) - FeSub(&r.Y, &p.Y, &p.X) - FeMul(&r.Z, &r.X, &q.yMinusX) - FeMul(&r.Y, &r.Y, &q.yPlusX) - FeMul(&r.T, &q.T2d, &p.T) - FeMul(&r.X, &p.Z, &q.Z) - FeAdd(&t0, &r.X, &r.X) - FeSub(&r.X, &r.Z, &r.Y) - FeAdd(&r.Y, &r.Z, &r.Y) - FeSub(&r.Z, &t0, &r.T) - FeAdd(&r.T, &t0, &r.T) -} - -func geMixedAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) { - var t0 FieldElement - - FeAdd(&r.X, &p.Y, &p.X) - FeSub(&r.Y, &p.Y, &p.X) - FeMul(&r.Z, &r.X, &q.yPlusX) - FeMul(&r.Y, &r.Y, &q.yMinusX) - FeMul(&r.T, &q.xy2d, &p.T) - FeAdd(&t0, &p.Z, &p.Z) - FeSub(&r.X, &r.Z, &r.Y) - FeAdd(&r.Y, &r.Z, &r.Y) - FeAdd(&r.Z, &t0, &r.T) - FeSub(&r.T, &t0, &r.T) -} - -func geMixedSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) { - var t0 FieldElement - - FeAdd(&r.X, &p.Y, &p.X) - FeSub(&r.Y, &p.Y, &p.X) - FeMul(&r.Z, &r.X, &q.yMinusX) - FeMul(&r.Y, &r.Y, &q.yPlusX) - FeMul(&r.T, &q.xy2d, &p.T) - FeAdd(&t0, &p.Z, &p.Z) - FeSub(&r.X, &r.Z, &r.Y) - FeAdd(&r.Y, &r.Z, &r.Y) - FeSub(&r.Z, &t0, &r.T) - FeAdd(&r.T, &t0, &r.T) -} - -func slide(r *[256]int8, a *[32]byte) { - for i := range r { - r[i] = int8(1 & (a[i>>3] >> uint(i&7))) - } - - for i := range r { - if r[i] != 0 { - for b := 1; b <= 6 && i+b < 256; b++ { - if r[i+b] != 0 { - if r[i]+(r[i+b]<= -15 { - r[i] -= r[i+b] << uint(b) - for k := i + b; k < 256; k++ { - if r[k] == 0 { - r[k] = 1 - break - } - r[k] = 0 - } - } else { - break - } - } - } - } - } -} - -// GeDoubleScalarMultVartime sets r = a*A + b*B -// where a = a[0]+256*a[1]+...+256^31 a[31]. -// and b = b[0]+256*b[1]+...+256^31 b[31]. -// B is the Ed25519 base point (x,4/5) with x positive. -func GeDoubleScalarMultVartime(r *ProjectiveGroupElement, a *[32]byte, A *ExtendedGroupElement, b *[32]byte) { - var aSlide, bSlide [256]int8 - var Ai [8]CachedGroupElement // A,3A,5A,7A,9A,11A,13A,15A - var t CompletedGroupElement - var u, A2 ExtendedGroupElement - var i int - - slide(&aSlide, a) - slide(&bSlide, b) - - A.ToCached(&Ai[0]) - A.Double(&t) - t.ToExtended(&A2) - - for i := 0; i < 7; i++ { - geAdd(&t, &A2, &Ai[i]) - t.ToExtended(&u) - u.ToCached(&Ai[i+1]) - } - - r.Zero() - - for i = 255; i >= 0; i-- { - if aSlide[i] != 0 || bSlide[i] != 0 { - break - } - } - - for ; i >= 0; i-- { - r.Double(&t) - - if aSlide[i] > 0 { - t.ToExtended(&u) - geAdd(&t, &u, &Ai[aSlide[i]/2]) - } else if aSlide[i] < 0 { - t.ToExtended(&u) - geSub(&t, &u, &Ai[(-aSlide[i])/2]) - } - - if bSlide[i] > 0 { - t.ToExtended(&u) - geMixedAdd(&t, &u, &bi[bSlide[i]/2]) - } else if bSlide[i] < 0 { - t.ToExtended(&u) - geMixedSub(&t, &u, &bi[(-bSlide[i])/2]) - } - - t.ToProjective(r) - } -} - -// equal returns 1 if b == c and 0 otherwise. -func equal(b, c int32) int32 { - x := uint32(b ^ c) - x-- - return int32(x >> 31) -} - -// negative returns 1 if b < 0 and 0 otherwise. -func negative(b int32) int32 { - return (b >> 31) & 1 -} - -func PreComputedGroupElementCMove(t, u *PreComputedGroupElement, b int32) { - FeCMove(&t.yPlusX, &u.yPlusX, b) - FeCMove(&t.yMinusX, &u.yMinusX, b) - FeCMove(&t.xy2d, &u.xy2d, b) -} - -func selectPoint(t *PreComputedGroupElement, pos int32, b int32) { - var minusT PreComputedGroupElement - bNegative := negative(b) - bAbs := b - (((-bNegative) & b) << 1) - - t.Zero() - for i := int32(0); i < 8; i++ { - PreComputedGroupElementCMove(t, &base[pos][i], equal(bAbs, i+1)) - } - FeCopy(&minusT.yPlusX, &t.yMinusX) - FeCopy(&minusT.yMinusX, &t.yPlusX) - FeNeg(&minusT.xy2d, &t.xy2d) - PreComputedGroupElementCMove(t, &minusT, bNegative) -} - -// GeScalarMultBase computes h = a*B, where -// a = a[0]+256*a[1]+...+256^31 a[31] -// B is the Ed25519 base point (x,4/5) with x positive. -// -// Preconditions: -// a[31] <= 127 -func GeScalarMultBase(h *ExtendedGroupElement, a *[32]byte) { - var e [64]int8 - - for i, v := range a { - e[2*i] = int8(v & 15) - e[2*i+1] = int8((v >> 4) & 15) - } - - // each e[i] is between 0 and 15 and e[63] is between 0 and 7. - - carry := int8(0) - for i := 0; i < 63; i++ { - e[i] += carry - carry = (e[i] + 8) >> 4 - e[i] -= carry << 4 - } - e[63] += carry - // each e[i] is between -8 and 8. - - h.Zero() - var t PreComputedGroupElement - var r CompletedGroupElement - for i := int32(1); i < 64; i += 2 { - selectPoint(&t, i/2, int32(e[i])) - geMixedAdd(&r, h, &t) - r.ToExtended(h) - } - - var s ProjectiveGroupElement - - h.Double(&r) - r.ToProjective(&s) - s.Double(&r) - r.ToProjective(&s) - s.Double(&r) - r.ToProjective(&s) - s.Double(&r) - r.ToExtended(h) - - for i := int32(0); i < 64; i += 2 { - selectPoint(&t, i/2, int32(e[i])) - geMixedAdd(&r, h, &t) - r.ToExtended(h) - } -} - -// The scalars are GF(2^252 + 27742317777372353535851937790883648493). - -// Input: -// a[0]+256*a[1]+...+256^31*a[31] = a -// b[0]+256*b[1]+...+256^31*b[31] = b -// c[0]+256*c[1]+...+256^31*c[31] = c -// -// Output: -// s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l -// where l = 2^252 + 27742317777372353535851937790883648493. -func ScMulAdd(s, a, b, c *[32]byte) { - a0 := 2097151 & load3(a[:]) - a1 := 2097151 & (load4(a[2:]) >> 5) - a2 := 2097151 & (load3(a[5:]) >> 2) - a3 := 2097151 & (load4(a[7:]) >> 7) - a4 := 2097151 & (load4(a[10:]) >> 4) - a5 := 2097151 & (load3(a[13:]) >> 1) - a6 := 2097151 & (load4(a[15:]) >> 6) - a7 := 2097151 & (load3(a[18:]) >> 3) - a8 := 2097151 & load3(a[21:]) - a9 := 2097151 & (load4(a[23:]) >> 5) - a10 := 2097151 & (load3(a[26:]) >> 2) - a11 := (load4(a[28:]) >> 7) - b0 := 2097151 & load3(b[:]) - b1 := 2097151 & (load4(b[2:]) >> 5) - b2 := 2097151 & (load3(b[5:]) >> 2) - b3 := 2097151 & (load4(b[7:]) >> 7) - b4 := 2097151 & (load4(b[10:]) >> 4) - b5 := 2097151 & (load3(b[13:]) >> 1) - b6 := 2097151 & (load4(b[15:]) >> 6) - b7 := 2097151 & (load3(b[18:]) >> 3) - b8 := 2097151 & load3(b[21:]) - b9 := 2097151 & (load4(b[23:]) >> 5) - b10 := 2097151 & (load3(b[26:]) >> 2) - b11 := (load4(b[28:]) >> 7) - c0 := 2097151 & load3(c[:]) - c1 := 2097151 & (load4(c[2:]) >> 5) - c2 := 2097151 & (load3(c[5:]) >> 2) - c3 := 2097151 & (load4(c[7:]) >> 7) - c4 := 2097151 & (load4(c[10:]) >> 4) - c5 := 2097151 & (load3(c[13:]) >> 1) - c6 := 2097151 & (load4(c[15:]) >> 6) - c7 := 2097151 & (load3(c[18:]) >> 3) - c8 := 2097151 & load3(c[21:]) - c9 := 2097151 & (load4(c[23:]) >> 5) - c10 := 2097151 & (load3(c[26:]) >> 2) - c11 := (load4(c[28:]) >> 7) - var carry [23]int64 - - s0 := c0 + a0*b0 - s1 := c1 + a0*b1 + a1*b0 - s2 := c2 + a0*b2 + a1*b1 + a2*b0 - s3 := c3 + a0*b3 + a1*b2 + a2*b1 + a3*b0 - s4 := c4 + a0*b4 + a1*b3 + a2*b2 + a3*b1 + a4*b0 - s5 := c5 + a0*b5 + a1*b4 + a2*b3 + a3*b2 + a4*b1 + a5*b0 - s6 := c6 + a0*b6 + a1*b5 + a2*b4 + a3*b3 + a4*b2 + a5*b1 + a6*b0 - s7 := c7 + a0*b7 + a1*b6 + a2*b5 + a3*b4 + a4*b3 + a5*b2 + a6*b1 + a7*b0 - s8 := c8 + a0*b8 + a1*b7 + a2*b6 + a3*b5 + a4*b4 + a5*b3 + a6*b2 + a7*b1 + a8*b0 - s9 := c9 + a0*b9 + a1*b8 + a2*b7 + a3*b6 + a4*b5 + a5*b4 + a6*b3 + a7*b2 + a8*b1 + a9*b0 - s10 := c10 + a0*b10 + a1*b9 + a2*b8 + a3*b7 + a4*b6 + a5*b5 + a6*b4 + a7*b3 + a8*b2 + a9*b1 + a10*b0 - s11 := c11 + a0*b11 + a1*b10 + a2*b9 + a3*b8 + a4*b7 + a5*b6 + a6*b5 + a7*b4 + a8*b3 + a9*b2 + a10*b1 + a11*b0 - s12 := a1*b11 + a2*b10 + a3*b9 + a4*b8 + a5*b7 + a6*b6 + a7*b5 + a8*b4 + a9*b3 + a10*b2 + a11*b1 - s13 := a2*b11 + a3*b10 + a4*b9 + a5*b8 + a6*b7 + a7*b6 + a8*b5 + a9*b4 + a10*b3 + a11*b2 - s14 := a3*b11 + a4*b10 + a5*b9 + a6*b8 + a7*b7 + a8*b6 + a9*b5 + a10*b4 + a11*b3 - s15 := a4*b11 + a5*b10 + a6*b9 + a7*b8 + a8*b7 + a9*b6 + a10*b5 + a11*b4 - s16 := a5*b11 + a6*b10 + a7*b9 + a8*b8 + a9*b7 + a10*b6 + a11*b5 - s17 := a6*b11 + a7*b10 + a8*b9 + a9*b8 + a10*b7 + a11*b6 - s18 := a7*b11 + a8*b10 + a9*b9 + a10*b8 + a11*b7 - s19 := a8*b11 + a9*b10 + a10*b9 + a11*b8 - s20 := a9*b11 + a10*b10 + a11*b9 - s21 := a10*b11 + a11*b10 - s22 := a11 * b11 - s23 := int64(0) - - carry[0] = (s0 + (1 << 20)) >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[2] = (s2 + (1 << 20)) >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[4] = (s4 + (1 << 20)) >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[6] = (s6 + (1 << 20)) >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[8] = (s8 + (1 << 20)) >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[10] = (s10 + (1 << 20)) >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - carry[12] = (s12 + (1 << 20)) >> 21 - s13 += carry[12] - s12 -= carry[12] << 21 - carry[14] = (s14 + (1 << 20)) >> 21 - s15 += carry[14] - s14 -= carry[14] << 21 - carry[16] = (s16 + (1 << 20)) >> 21 - s17 += carry[16] - s16 -= carry[16] << 21 - carry[18] = (s18 + (1 << 20)) >> 21 - s19 += carry[18] - s18 -= carry[18] << 21 - carry[20] = (s20 + (1 << 20)) >> 21 - s21 += carry[20] - s20 -= carry[20] << 21 - carry[22] = (s22 + (1 << 20)) >> 21 - s23 += carry[22] - s22 -= carry[22] << 21 - - carry[1] = (s1 + (1 << 20)) >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[3] = (s3 + (1 << 20)) >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[5] = (s5 + (1 << 20)) >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[7] = (s7 + (1 << 20)) >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[9] = (s9 + (1 << 20)) >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[11] = (s11 + (1 << 20)) >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - carry[13] = (s13 + (1 << 20)) >> 21 - s14 += carry[13] - s13 -= carry[13] << 21 - carry[15] = (s15 + (1 << 20)) >> 21 - s16 += carry[15] - s15 -= carry[15] << 21 - carry[17] = (s17 + (1 << 20)) >> 21 - s18 += carry[17] - s17 -= carry[17] << 21 - carry[19] = (s19 + (1 << 20)) >> 21 - s20 += carry[19] - s19 -= carry[19] << 21 - carry[21] = (s21 + (1 << 20)) >> 21 - s22 += carry[21] - s21 -= carry[21] << 21 - - s11 += s23 * 666643 - s12 += s23 * 470296 - s13 += s23 * 654183 - s14 -= s23 * 997805 - s15 += s23 * 136657 - s16 -= s23 * 683901 - s23 = 0 - - s10 += s22 * 666643 - s11 += s22 * 470296 - s12 += s22 * 654183 - s13 -= s22 * 997805 - s14 += s22 * 136657 - s15 -= s22 * 683901 - s22 = 0 - - s9 += s21 * 666643 - s10 += s21 * 470296 - s11 += s21 * 654183 - s12 -= s21 * 997805 - s13 += s21 * 136657 - s14 -= s21 * 683901 - s21 = 0 - - s8 += s20 * 666643 - s9 += s20 * 470296 - s10 += s20 * 654183 - s11 -= s20 * 997805 - s12 += s20 * 136657 - s13 -= s20 * 683901 - s20 = 0 - - s7 += s19 * 666643 - s8 += s19 * 470296 - s9 += s19 * 654183 - s10 -= s19 * 997805 - s11 += s19 * 136657 - s12 -= s19 * 683901 - s19 = 0 - - s6 += s18 * 666643 - s7 += s18 * 470296 - s8 += s18 * 654183 - s9 -= s18 * 997805 - s10 += s18 * 136657 - s11 -= s18 * 683901 - s18 = 0 - - carry[6] = (s6 + (1 << 20)) >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[8] = (s8 + (1 << 20)) >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[10] = (s10 + (1 << 20)) >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - carry[12] = (s12 + (1 << 20)) >> 21 - s13 += carry[12] - s12 -= carry[12] << 21 - carry[14] = (s14 + (1 << 20)) >> 21 - s15 += carry[14] - s14 -= carry[14] << 21 - carry[16] = (s16 + (1 << 20)) >> 21 - s17 += carry[16] - s16 -= carry[16] << 21 - - carry[7] = (s7 + (1 << 20)) >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[9] = (s9 + (1 << 20)) >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[11] = (s11 + (1 << 20)) >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - carry[13] = (s13 + (1 << 20)) >> 21 - s14 += carry[13] - s13 -= carry[13] << 21 - carry[15] = (s15 + (1 << 20)) >> 21 - s16 += carry[15] - s15 -= carry[15] << 21 - - s5 += s17 * 666643 - s6 += s17 * 470296 - s7 += s17 * 654183 - s8 -= s17 * 997805 - s9 += s17 * 136657 - s10 -= s17 * 683901 - s17 = 0 - - s4 += s16 * 666643 - s5 += s16 * 470296 - s6 += s16 * 654183 - s7 -= s16 * 997805 - s8 += s16 * 136657 - s9 -= s16 * 683901 - s16 = 0 - - s3 += s15 * 666643 - s4 += s15 * 470296 - s5 += s15 * 654183 - s6 -= s15 * 997805 - s7 += s15 * 136657 - s8 -= s15 * 683901 - s15 = 0 - - s2 += s14 * 666643 - s3 += s14 * 470296 - s4 += s14 * 654183 - s5 -= s14 * 997805 - s6 += s14 * 136657 - s7 -= s14 * 683901 - s14 = 0 - - s1 += s13 * 666643 - s2 += s13 * 470296 - s3 += s13 * 654183 - s4 -= s13 * 997805 - s5 += s13 * 136657 - s6 -= s13 * 683901 - s13 = 0 - - s0 += s12 * 666643 - s1 += s12 * 470296 - s2 += s12 * 654183 - s3 -= s12 * 997805 - s4 += s12 * 136657 - s5 -= s12 * 683901 - s12 = 0 - - carry[0] = (s0 + (1 << 20)) >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[2] = (s2 + (1 << 20)) >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[4] = (s4 + (1 << 20)) >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[6] = (s6 + (1 << 20)) >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[8] = (s8 + (1 << 20)) >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[10] = (s10 + (1 << 20)) >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - - carry[1] = (s1 + (1 << 20)) >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[3] = (s3 + (1 << 20)) >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[5] = (s5 + (1 << 20)) >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[7] = (s7 + (1 << 20)) >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[9] = (s9 + (1 << 20)) >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[11] = (s11 + (1 << 20)) >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - - s0 += s12 * 666643 - s1 += s12 * 470296 - s2 += s12 * 654183 - s3 -= s12 * 997805 - s4 += s12 * 136657 - s5 -= s12 * 683901 - s12 = 0 - - carry[0] = s0 >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[1] = s1 >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[2] = s2 >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[3] = s3 >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[4] = s4 >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[5] = s5 >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[6] = s6 >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[7] = s7 >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[8] = s8 >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[9] = s9 >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[10] = s10 >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - carry[11] = s11 >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - - s0 += s12 * 666643 - s1 += s12 * 470296 - s2 += s12 * 654183 - s3 -= s12 * 997805 - s4 += s12 * 136657 - s5 -= s12 * 683901 - s12 = 0 - - carry[0] = s0 >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[1] = s1 >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[2] = s2 >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[3] = s3 >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[4] = s4 >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[5] = s5 >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[6] = s6 >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[7] = s7 >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[8] = s8 >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[9] = s9 >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[10] = s10 >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - - s[0] = byte(s0 >> 0) - s[1] = byte(s0 >> 8) - s[2] = byte((s0 >> 16) | (s1 << 5)) - s[3] = byte(s1 >> 3) - s[4] = byte(s1 >> 11) - s[5] = byte((s1 >> 19) | (s2 << 2)) - s[6] = byte(s2 >> 6) - s[7] = byte((s2 >> 14) | (s3 << 7)) - s[8] = byte(s3 >> 1) - s[9] = byte(s3 >> 9) - s[10] = byte((s3 >> 17) | (s4 << 4)) - s[11] = byte(s4 >> 4) - s[12] = byte(s4 >> 12) - s[13] = byte((s4 >> 20) | (s5 << 1)) - s[14] = byte(s5 >> 7) - s[15] = byte((s5 >> 15) | (s6 << 6)) - s[16] = byte(s6 >> 2) - s[17] = byte(s6 >> 10) - s[18] = byte((s6 >> 18) | (s7 << 3)) - s[19] = byte(s7 >> 5) - s[20] = byte(s7 >> 13) - s[21] = byte(s8 >> 0) - s[22] = byte(s8 >> 8) - s[23] = byte((s8 >> 16) | (s9 << 5)) - s[24] = byte(s9 >> 3) - s[25] = byte(s9 >> 11) - s[26] = byte((s9 >> 19) | (s10 << 2)) - s[27] = byte(s10 >> 6) - s[28] = byte((s10 >> 14) | (s11 << 7)) - s[29] = byte(s11 >> 1) - s[30] = byte(s11 >> 9) - s[31] = byte(s11 >> 17) -} - -// Input: -// s[0]+256*s[1]+...+256^63*s[63] = s -// -// Output: -// s[0]+256*s[1]+...+256^31*s[31] = s mod l -// where l = 2^252 + 27742317777372353535851937790883648493. -func ScReduce(out *[32]byte, s *[64]byte) { - s0 := 2097151 & load3(s[:]) - s1 := 2097151 & (load4(s[2:]) >> 5) - s2 := 2097151 & (load3(s[5:]) >> 2) - s3 := 2097151 & (load4(s[7:]) >> 7) - s4 := 2097151 & (load4(s[10:]) >> 4) - s5 := 2097151 & (load3(s[13:]) >> 1) - s6 := 2097151 & (load4(s[15:]) >> 6) - s7 := 2097151 & (load3(s[18:]) >> 3) - s8 := 2097151 & load3(s[21:]) - s9 := 2097151 & (load4(s[23:]) >> 5) - s10 := 2097151 & (load3(s[26:]) >> 2) - s11 := 2097151 & (load4(s[28:]) >> 7) - s12 := 2097151 & (load4(s[31:]) >> 4) - s13 := 2097151 & (load3(s[34:]) >> 1) - s14 := 2097151 & (load4(s[36:]) >> 6) - s15 := 2097151 & (load3(s[39:]) >> 3) - s16 := 2097151 & load3(s[42:]) - s17 := 2097151 & (load4(s[44:]) >> 5) - s18 := 2097151 & (load3(s[47:]) >> 2) - s19 := 2097151 & (load4(s[49:]) >> 7) - s20 := 2097151 & (load4(s[52:]) >> 4) - s21 := 2097151 & (load3(s[55:]) >> 1) - s22 := 2097151 & (load4(s[57:]) >> 6) - s23 := (load4(s[60:]) >> 3) - - s11 += s23 * 666643 - s12 += s23 * 470296 - s13 += s23 * 654183 - s14 -= s23 * 997805 - s15 += s23 * 136657 - s16 -= s23 * 683901 - s23 = 0 - - s10 += s22 * 666643 - s11 += s22 * 470296 - s12 += s22 * 654183 - s13 -= s22 * 997805 - s14 += s22 * 136657 - s15 -= s22 * 683901 - s22 = 0 - - s9 += s21 * 666643 - s10 += s21 * 470296 - s11 += s21 * 654183 - s12 -= s21 * 997805 - s13 += s21 * 136657 - s14 -= s21 * 683901 - s21 = 0 - - s8 += s20 * 666643 - s9 += s20 * 470296 - s10 += s20 * 654183 - s11 -= s20 * 997805 - s12 += s20 * 136657 - s13 -= s20 * 683901 - s20 = 0 - - s7 += s19 * 666643 - s8 += s19 * 470296 - s9 += s19 * 654183 - s10 -= s19 * 997805 - s11 += s19 * 136657 - s12 -= s19 * 683901 - s19 = 0 - - s6 += s18 * 666643 - s7 += s18 * 470296 - s8 += s18 * 654183 - s9 -= s18 * 997805 - s10 += s18 * 136657 - s11 -= s18 * 683901 - s18 = 0 - - var carry [17]int64 - - carry[6] = (s6 + (1 << 20)) >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[8] = (s8 + (1 << 20)) >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[10] = (s10 + (1 << 20)) >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - carry[12] = (s12 + (1 << 20)) >> 21 - s13 += carry[12] - s12 -= carry[12] << 21 - carry[14] = (s14 + (1 << 20)) >> 21 - s15 += carry[14] - s14 -= carry[14] << 21 - carry[16] = (s16 + (1 << 20)) >> 21 - s17 += carry[16] - s16 -= carry[16] << 21 - - carry[7] = (s7 + (1 << 20)) >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[9] = (s9 + (1 << 20)) >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[11] = (s11 + (1 << 20)) >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - carry[13] = (s13 + (1 << 20)) >> 21 - s14 += carry[13] - s13 -= carry[13] << 21 - carry[15] = (s15 + (1 << 20)) >> 21 - s16 += carry[15] - s15 -= carry[15] << 21 - - s5 += s17 * 666643 - s6 += s17 * 470296 - s7 += s17 * 654183 - s8 -= s17 * 997805 - s9 += s17 * 136657 - s10 -= s17 * 683901 - s17 = 0 - - s4 += s16 * 666643 - s5 += s16 * 470296 - s6 += s16 * 654183 - s7 -= s16 * 997805 - s8 += s16 * 136657 - s9 -= s16 * 683901 - s16 = 0 - - s3 += s15 * 666643 - s4 += s15 * 470296 - s5 += s15 * 654183 - s6 -= s15 * 997805 - s7 += s15 * 136657 - s8 -= s15 * 683901 - s15 = 0 - - s2 += s14 * 666643 - s3 += s14 * 470296 - s4 += s14 * 654183 - s5 -= s14 * 997805 - s6 += s14 * 136657 - s7 -= s14 * 683901 - s14 = 0 - - s1 += s13 * 666643 - s2 += s13 * 470296 - s3 += s13 * 654183 - s4 -= s13 * 997805 - s5 += s13 * 136657 - s6 -= s13 * 683901 - s13 = 0 - - s0 += s12 * 666643 - s1 += s12 * 470296 - s2 += s12 * 654183 - s3 -= s12 * 997805 - s4 += s12 * 136657 - s5 -= s12 * 683901 - s12 = 0 - - carry[0] = (s0 + (1 << 20)) >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[2] = (s2 + (1 << 20)) >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[4] = (s4 + (1 << 20)) >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[6] = (s6 + (1 << 20)) >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[8] = (s8 + (1 << 20)) >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[10] = (s10 + (1 << 20)) >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - - carry[1] = (s1 + (1 << 20)) >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[3] = (s3 + (1 << 20)) >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[5] = (s5 + (1 << 20)) >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[7] = (s7 + (1 << 20)) >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[9] = (s9 + (1 << 20)) >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[11] = (s11 + (1 << 20)) >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - - s0 += s12 * 666643 - s1 += s12 * 470296 - s2 += s12 * 654183 - s3 -= s12 * 997805 - s4 += s12 * 136657 - s5 -= s12 * 683901 - s12 = 0 - - carry[0] = s0 >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[1] = s1 >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[2] = s2 >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[3] = s3 >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[4] = s4 >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[5] = s5 >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[6] = s6 >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[7] = s7 >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[8] = s8 >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[9] = s9 >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[10] = s10 >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - carry[11] = s11 >> 21 - s12 += carry[11] - s11 -= carry[11] << 21 - - s0 += s12 * 666643 - s1 += s12 * 470296 - s2 += s12 * 654183 - s3 -= s12 * 997805 - s4 += s12 * 136657 - s5 -= s12 * 683901 - s12 = 0 - - carry[0] = s0 >> 21 - s1 += carry[0] - s0 -= carry[0] << 21 - carry[1] = s1 >> 21 - s2 += carry[1] - s1 -= carry[1] << 21 - carry[2] = s2 >> 21 - s3 += carry[2] - s2 -= carry[2] << 21 - carry[3] = s3 >> 21 - s4 += carry[3] - s3 -= carry[3] << 21 - carry[4] = s4 >> 21 - s5 += carry[4] - s4 -= carry[4] << 21 - carry[5] = s5 >> 21 - s6 += carry[5] - s5 -= carry[5] << 21 - carry[6] = s6 >> 21 - s7 += carry[6] - s6 -= carry[6] << 21 - carry[7] = s7 >> 21 - s8 += carry[7] - s7 -= carry[7] << 21 - carry[8] = s8 >> 21 - s9 += carry[8] - s8 -= carry[8] << 21 - carry[9] = s9 >> 21 - s10 += carry[9] - s9 -= carry[9] << 21 - carry[10] = s10 >> 21 - s11 += carry[10] - s10 -= carry[10] << 21 - - out[0] = byte(s0 >> 0) - out[1] = byte(s0 >> 8) - out[2] = byte((s0 >> 16) | (s1 << 5)) - out[3] = byte(s1 >> 3) - out[4] = byte(s1 >> 11) - out[5] = byte((s1 >> 19) | (s2 << 2)) - out[6] = byte(s2 >> 6) - out[7] = byte((s2 >> 14) | (s3 << 7)) - out[8] = byte(s3 >> 1) - out[9] = byte(s3 >> 9) - out[10] = byte((s3 >> 17) | (s4 << 4)) - out[11] = byte(s4 >> 4) - out[12] = byte(s4 >> 12) - out[13] = byte((s4 >> 20) | (s5 << 1)) - out[14] = byte(s5 >> 7) - out[15] = byte((s5 >> 15) | (s6 << 6)) - out[16] = byte(s6 >> 2) - out[17] = byte(s6 >> 10) - out[18] = byte((s6 >> 18) | (s7 << 3)) - out[19] = byte(s7 >> 5) - out[20] = byte(s7 >> 13) - out[21] = byte(s8 >> 0) - out[22] = byte(s8 >> 8) - out[23] = byte((s8 >> 16) | (s9 << 5)) - out[24] = byte(s9 >> 3) - out[25] = byte(s9 >> 11) - out[26] = byte((s9 >> 19) | (s10 << 2)) - out[27] = byte(s10 >> 6) - out[28] = byte((s10 >> 14) | (s11 << 7)) - out[29] = byte(s11 >> 1) - out[30] = byte(s11 >> 9) - out[31] = byte(s11 >> 17) -} diff --git a/vendor/github.com/tendermint/ed25519/testdata/sign.input.gz b/vendor/github.com/tendermint/ed25519/testdata/sign.input.gz deleted file mode 100644 index 41030690..00000000 Binary files a/vendor/github.com/tendermint/ed25519/testdata/sign.input.gz and /dev/null differ diff --git a/vendor/github.com/tendermint/go-crypto/.gitignore b/vendor/github.com/tendermint/go-crypto/.gitignore deleted file mode 100644 index d19e6457..00000000 --- a/vendor/github.com/tendermint/go-crypto/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -*.swp -*.swo -vendor -shunit2 diff --git a/vendor/github.com/tendermint/go-crypto/embed_test.go b/vendor/github.com/tendermint/go-crypto/embed_test.go deleted file mode 100644 index e5c37c0c..00000000 --- a/vendor/github.com/tendermint/go-crypto/embed_test.go +++ /dev/null @@ -1,91 +0,0 @@ -package crypto_test - -import ( - "fmt" - "testing" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - data "github.com/tendermint/go-wire/data" -) - -type PubName struct { - PubNameInner -} - -type PubNameInner interface { - AssertIsPubNameInner() - String() string -} - -func (p PubName) MarshalJSON() ([]byte, error) { - return pubNameMapper.ToJSON(p.PubNameInner) -} - -func (p *PubName) UnmarshalJSON(data []byte) error { - parsed, err := pubNameMapper.FromJSON(data) - if err == nil && parsed != nil { - p.PubNameInner = parsed.(PubNameInner) - } - return err -} - -var pubNameMapper = data.NewMapper(PubName{}). - RegisterImplementation(PubNameFoo{}, "foo", 1). - RegisterImplementation(PubNameBar{}, "bar", 2) - -func (f PubNameFoo) AssertIsPubNameInner() {} -func (f PubNameBar) AssertIsPubNameInner() {} - -//---------------------------------------- - -type PubNameFoo struct { - Name string -} - -func (f PubNameFoo) String() string { return "Foo: " + f.Name } - -type PubNameBar struct { - Age int -} - -func (b PubNameBar) String() string { return fmt.Sprintf("Bar #%d", b.Age) } - -//---------------------------------------- - -// TestEncodeDemo tries the various strategies to encode the objects -func TestEncodeDemo(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - cases := []struct { - in, out PubNameInner - expected string - }{ - {PubName{PubNameFoo{"pub-foo"}}, &PubName{}, "Foo: pub-foo"}, - {PubName{PubNameBar{7}}, &PubName{}, "Bar #7"}, - } - - for i, tc := range cases { - - // Make sure it is proper to start - require.Equal(tc.expected, tc.in.String()) - - // Try to encode as binary - b, err := data.ToWire(tc.in) - if assert.Nil(err, "%d: %#v", i, tc.in) { - err2 := data.FromWire(b, tc.out) - if assert.Nil(err2) { - assert.Equal(tc.expected, tc.out.String()) - } - } - - // Try to encode it as json - j, err := data.ToJSON(tc.in) - if assert.Nil(err, "%d: %#v", i, tc.in) { - err2 := data.FromJSON(j, tc.out) - if assert.Nil(err2) { - assert.Equal(tc.expected, tc.out.String()) - } - } - } -} diff --git a/vendor/github.com/tendermint/go-crypto/example_test.go b/vendor/github.com/tendermint/go-crypto/example_test.go deleted file mode 100644 index a4c07de9..00000000 --- a/vendor/github.com/tendermint/go-crypto/example_test.go +++ /dev/null @@ -1,28 +0,0 @@ -// Copyright 2017 Tendermint. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package crypto_test - -import ( - "fmt" - - "github.com/tendermint/go-crypto" -) - -func ExampleSha256() { - sum := crypto.Sha256([]byte("This is Tendermint")) - fmt.Printf("%x\n", sum) - // Output: - // f91afb642f3d1c87c17eb01aae5cb65c242dfdbe7cf1066cc260f4ce5d33b94e -} diff --git a/vendor/github.com/tendermint/go-crypto/hash.go b/vendor/github.com/tendermint/go-crypto/hash.go deleted file mode 100644 index e1d22523..00000000 --- a/vendor/github.com/tendermint/go-crypto/hash.go +++ /dev/null @@ -1,11 +0,0 @@ -package crypto - -import ( - "crypto/sha256" -) - -func Sha256(bytes []byte) []byte { - hasher := sha256.New() - hasher.Write(bytes) - return hasher.Sum(nil) -} diff --git a/vendor/github.com/tendermint/go-crypto/priv_key.go b/vendor/github.com/tendermint/go-crypto/priv_key.go deleted file mode 100644 index accc773d..00000000 --- a/vendor/github.com/tendermint/go-crypto/priv_key.go +++ /dev/null @@ -1,80 +0,0 @@ -package crypto - -import ( - "encoding/hex" - - "github.com/tendermint/ed25519" - "github.com/tendermint/go-wire" - "github.com/tendermint/go-wire/data" -) - -func PrivKeyFromBytes(privKeyBytes []byte) (privKey PrivKey, err error) { - err = wire.ReadBinaryBytes(privKeyBytes, &privKey) - if err == nil { - // add support for a ValidateKey method on PrivKeys - // to make sure they load correctly - val, ok := privKey.Unwrap().(validatable) - if ok { - err = val.ValidateKey() - } - } - return -} - -// validatable is an optional interface for keys that want to -// check integrity -type validatable interface { - ValidateKey() error -} - -//---------------------------------------- - -// DO NOT USE THIS INTERFACE. -// You probably want to use PrivKey -// +gen wrapper:"PrivKey,Impl[PrivKeyEd25519,PrivKeySecp256k1],ed25519,secp256k1" -type PrivKeyInner interface { - Sign(msg []byte) Signature - PubKey() PubKey - Wrap() PrivKey -} - -//------------------------------------- - -var _ PrivKeyInner = PrivKeyEd25519{} - -// Implements PrivKey -type PrivKeyEd25519 [64]byte - -func (privKey PrivKeyEd25519) Sign(msg []byte) Signature { - privKeyBytes := [64]byte(privKey) - signatureBytes := ed25519.Sign(&privKeyBytes, msg) - return SignatureEd25519(*signatureBytes).Wrap() -} - -func (privKey PrivKeyEd25519) PubKey() PubKey { - privKeyBytes := [64]byte(privKey) - pubBytes := *ed25519.MakePublicKey(&privKeyBytes) - return PubKeyEd25519(pubBytes).Wrap() -} - -func (p PrivKeyEd25519) MarshalJSON() ([]byte, error) { - return data.Encoder.Marshal(p[:]) -} - -func (p *PrivKeyEd25519) UnmarshalJSON(enc []byte) error { - var ref []byte - err := data.Encoder.Unmarshal(&ref, enc) - copy(p[:], ref) - return err -} - -func (privKey PrivKeyEd25519) String() string { - return hex.EncodeToString(privKey[:]) -} - -func GenPrivKeyEd25519() PrivKeyEd25519 { - privKeyBytes := new([64]byte) - copy(privKeyBytes[:32], CRandBytes(32)) - ed25519.MakePublicKey(privKeyBytes) - return PrivKeyEd25519(*privKeyBytes) -} diff --git a/vendor/github.com/tendermint/go-crypto/privkeyinner_wrapper.go b/vendor/github.com/tendermint/go-crypto/privkeyinner_wrapper.go deleted file mode 100644 index 78b17540..00000000 --- a/vendor/github.com/tendermint/go-crypto/privkeyinner_wrapper.go +++ /dev/null @@ -1,50 +0,0 @@ -// Generated by: main -// TypeWriter: wrapper -// Directive: +gen on PrivKeyInner - -package crypto - -import ( - "github.com/tendermint/go-wire/data" -) - -// Auto-generated adapters for happily unmarshaling interfaces -// Apache License 2.0 -// Copyright (c) 2017 Ethan Frey (ethan.frey@tendermint.com) - -type PrivKey struct { - PrivKeyInner "json:\"unwrap\"" -} - -var PrivKeyMapper = data.NewMapper(PrivKey{}) - -func (h PrivKey) MarshalJSON() ([]byte, error) { - return PrivKeyMapper.ToJSON(h.PrivKeyInner) -} - -func (h *PrivKey) UnmarshalJSON(data []byte) (err error) { - parsed, err := PrivKeyMapper.FromJSON(data) - if err == nil && parsed != nil { - h.PrivKeyInner = parsed.(PrivKeyInner) - } - return err -} - -// Unwrap recovers the concrete interface safely (regardless of levels of embeds) -func (h PrivKey) Unwrap() PrivKeyInner { - hi := h.PrivKeyInner - for wrap, ok := hi.(PrivKey); ok; wrap, ok = hi.(PrivKey) { - hi = wrap.PrivKeyInner - } - return hi -} - -/*** below are bindings for each implementation ***/ - -func init() { - PrivKeyMapper.RegisterImplementation(PrivKeyEd25519{}, "ed25519", 0x1) -} - -func (hi PrivKeyEd25519) Wrap() PrivKey { - return PrivKey{hi} -} diff --git a/vendor/github.com/tendermint/go-crypto/pub_key.go b/vendor/github.com/tendermint/go-crypto/pub_key.go deleted file mode 100644 index cebde0c5..00000000 --- a/vendor/github.com/tendermint/go-crypto/pub_key.go +++ /dev/null @@ -1,68 +0,0 @@ -package crypto - -import ( - "bytes" - - "github.com/tendermint/ed25519" - data "github.com/tendermint/go-wire/data" - . "github.com/tendermint/tmlibs/common" -) - -//---------------------------------------- - -// DO NOT USE THIS INTERFACE. -// You probably want to use PubKey -// +gen wrapper:"PubKey,Impl[PubKeyEd25519,PubKeySecp256k1],ed25519,secp256k1" -type PubKeyInner interface { - KeyString() string - VerifyBytes(msg []byte, sig Signature) bool - Equals(PubKey) bool - Wrap() PubKey -} - -//------------------------------------- - -var _ PubKeyInner = PubKeyEd25519{} - -// Implements PubKeyInner -type PubKeyEd25519 [32]byte - -func (pubKey PubKeyEd25519) VerifyBytes(msg []byte, sig_ Signature) bool { - // make sure we use the same algorithm to sign - sig, ok := sig_.Unwrap().(SignatureEd25519) - if !ok { - return false - } - pubKeyBytes := [32]byte(pubKey) - sigBytes := [64]byte(sig) - return ed25519.Verify(&pubKeyBytes, msg, &sigBytes) -} - -func (p PubKeyEd25519) MarshalJSON() ([]byte, error) { - return data.Encoder.Marshal(p[:]) -} - -func (p *PubKeyEd25519) UnmarshalJSON(enc []byte) error { - var ref []byte - err := data.Encoder.Unmarshal(&ref, enc) - copy(p[:], ref) - return err -} - -func (pubKey PubKeyEd25519) String() string { - return Fmt("PubKeyEd25519{%X}", pubKey[:]) -} - -// Must return the full bytes in hex. -// Used for map keying, etc. -func (pubKey PubKeyEd25519) KeyString() string { - return Fmt("%X", pubKey[:]) -} - -func (pubKey PubKeyEd25519) Equals(other PubKey) bool { - if otherEd, ok := other.Unwrap().(PubKeyEd25519); ok { - return bytes.Equal(pubKey[:], otherEd[:]) - } else { - return false - } -} diff --git a/vendor/github.com/tendermint/go-crypto/pubkeyinner_wrapper.go b/vendor/github.com/tendermint/go-crypto/pubkeyinner_wrapper.go deleted file mode 100644 index c9c8156a..00000000 --- a/vendor/github.com/tendermint/go-crypto/pubkeyinner_wrapper.go +++ /dev/null @@ -1,50 +0,0 @@ -// Generated by: main -// TypeWriter: wrapper -// Directive: +gen on PubKeyInner - -package crypto - -import ( - "github.com/tendermint/go-wire/data" -) - -// Auto-generated adapters for happily unmarshaling interfaces -// Apache License 2.0 -// Copyright (c) 2017 Ethan Frey (ethan.frey@tendermint.com) - -type PubKey struct { - PubKeyInner "json:\"unwrap\"" -} - -var PubKeyMapper = data.NewMapper(PubKey{}) - -func (h PubKey) MarshalJSON() ([]byte, error) { - return PubKeyMapper.ToJSON(h.PubKeyInner) -} - -func (h *PubKey) UnmarshalJSON(data []byte) (err error) { - parsed, err := PubKeyMapper.FromJSON(data) - if err == nil && parsed != nil { - h.PubKeyInner = parsed.(PubKeyInner) - } - return err -} - -// Unwrap recovers the concrete interface safely (regardless of levels of embeds) -func (h PubKey) Unwrap() PubKeyInner { - hi := h.PubKeyInner - for wrap, ok := hi.(PubKey); ok; wrap, ok = hi.(PubKey) { - hi = wrap.PubKeyInner - } - return hi -} - -/*** below are bindings for each implementation ***/ - -func init() { - PubKeyMapper.RegisterImplementation(PubKeyEd25519{}, "ed25519", 0x1) -} - -func (hi PubKeyEd25519) Wrap() PubKey { - return PubKey{hi} -} diff --git a/vendor/github.com/tendermint/go-crypto/random.go b/vendor/github.com/tendermint/go-crypto/random.go deleted file mode 100644 index c329b80b..00000000 --- a/vendor/github.com/tendermint/go-crypto/random.go +++ /dev/null @@ -1,89 +0,0 @@ -package crypto - -import ( - "crypto/aes" - "crypto/cipher" - crand "crypto/rand" - "io" - "sync" - - . "github.com/tendermint/tmlibs/common" -) - -var gRandInfo *randInfo - -func init() { - gRandInfo = &randInfo{} - gRandInfo.MixEntropy(randBytes(32)) // Init -} - -// Mix additional bytes of randomness, e.g. from hardware, user-input, etc. -// It is OK to call it multiple times. It does not diminish security. -func MixEntropy(seedBytes []byte) { - gRandInfo.MixEntropy(seedBytes) -} - -// This only uses the OS's randomness -func randBytes(numBytes int) []byte { - b := make([]byte, numBytes) - _, err := crand.Read(b) - if err != nil { - PanicCrisis(err) - } - return b -} - -// This uses the OS and the Seed(s). -func CRandBytes(numBytes int) []byte { - b := make([]byte, numBytes) - _, err := gRandInfo.Read(b) - if err != nil { - PanicCrisis(err) - } - return b -} - -//-------------------------------------------------------------------------------- - -type randInfo struct { - mtx sync.Mutex - seedBytes [32]byte - cipherAES256 cipher.Block - streamAES256 cipher.Stream - reader io.Reader -} - -// You can call this as many times as you'd like. -// XXX TODO review -func (ri *randInfo) MixEntropy(seedBytes []byte) { - ri.mtx.Lock() - defer ri.mtx.Unlock() - // Make new ri.seedBytes - hashBytes := Sha256(seedBytes) - hashBytes32 := [32]byte{} - copy(hashBytes32[:], hashBytes) - ri.seedBytes = xorBytes32(ri.seedBytes, hashBytes32) - // Create new cipher.Block - var err error - ri.cipherAES256, err = aes.NewCipher(ri.seedBytes[:]) - if err != nil { - PanicSanity("Error creating AES256 cipher: " + err.Error()) - } - // Create new stream - ri.streamAES256 = cipher.NewCTR(ri.cipherAES256, randBytes(aes.BlockSize)) - // Create new reader - ri.reader = &cipher.StreamReader{S: ri.streamAES256, R: crand.Reader} -} - -func (ri *randInfo) Read(b []byte) (n int, err error) { - ri.mtx.Lock() - defer ri.mtx.Unlock() - return ri.reader.Read(b) -} - -func xorBytes32(bytesA [32]byte, bytesB [32]byte) (res [32]byte) { - for i, b := range bytesA { - res[i] = b ^ bytesB[i] - } - return res -} diff --git a/vendor/github.com/tendermint/go-crypto/signature.go b/vendor/github.com/tendermint/go-crypto/signature.go deleted file mode 100644 index 0c9b32ad..00000000 --- a/vendor/github.com/tendermint/go-crypto/signature.go +++ /dev/null @@ -1,43 +0,0 @@ -package crypto - -import ( - "github.com/tendermint/go-wire" - data "github.com/tendermint/go-wire/data" -) - -func SignatureFromBytes(sigBytes []byte) (sig Signature, err error) { - err = wire.ReadBinaryBytes(sigBytes, &sig) - return -} - -//---------------------------------------- - -// DO NOT USE THIS INTERFACE. -// You probably want to use Signature. -// +gen wrapper:"Signature,Impl[SignatureEd25519,SignatureSecp256k1],ed25519,secp256k1" -type SignatureInner interface { - Bytes() []byte - Wrap() Signature -} - -//------------------------------------- - -var _ SignatureInner = SignatureEd25519{} - -// Implements Signature -type SignatureEd25519 [64]byte - -func (sig SignatureEd25519) Bytes() []byte { - return wire.BinaryBytes(Signature{sig}) -} - -func (sig SignatureEd25519) MarshalJSON() ([]byte, error) { - return data.Encoder.Marshal(sig[:]) -} - -func (sig *SignatureEd25519) UnmarshalJSON(enc []byte) error { - var ref []byte - err := data.Encoder.Unmarshal(&ref, enc) - copy(sig[:], ref) - return err -} diff --git a/vendor/github.com/tendermint/go-crypto/signatureinner_wrapper.go b/vendor/github.com/tendermint/go-crypto/signatureinner_wrapper.go deleted file mode 100644 index 917218dc..00000000 --- a/vendor/github.com/tendermint/go-crypto/signatureinner_wrapper.go +++ /dev/null @@ -1,50 +0,0 @@ -// Generated by: main -// TypeWriter: wrapper -// Directive: +gen on SignatureInner - -package crypto - -import ( - "github.com/tendermint/go-wire/data" -) - -// Auto-generated adapters for happily unmarshaling interfaces -// Apache License 2.0 -// Copyright (c) 2017 Ethan Frey (ethan.frey@tendermint.com) - -type Signature struct { - SignatureInner "json:\"unwrap\"" -} - -var SignatureMapper = data.NewMapper(Signature{}) - -func (h Signature) MarshalJSON() ([]byte, error) { - return SignatureMapper.ToJSON(h.SignatureInner) -} - -func (h *Signature) UnmarshalJSON(data []byte) (err error) { - parsed, err := SignatureMapper.FromJSON(data) - if err == nil && parsed != nil { - h.SignatureInner = parsed.(SignatureInner) - } - return err -} - -// Unwrap recovers the concrete interface safely (regardless of levels of embeds) -func (h Signature) Unwrap() SignatureInner { - hi := h.SignatureInner - for wrap, ok := hi.(Signature); ok; wrap, ok = hi.(Signature) { - hi = wrap.SignatureInner - } - return hi -} - -/*** below are bindings for each implementation ***/ - -func init() { - SignatureMapper.RegisterImplementation(SignatureEd25519{}, "ed25519", 0x1) -} - -func (hi SignatureEd25519) Wrap() Signature { - return Signature{hi} -} diff --git a/vendor/github.com/tendermint/go-wire/data/Makefile b/vendor/github.com/tendermint/go-wire/data/Makefile deleted file mode 100644 index fb28a541..00000000 --- a/vendor/github.com/tendermint/go-wire/data/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -.PHONY: docs -REPO:=github.com/tendermint/go-wire/data - -docs: - @go get github.com/davecheney/godoc2md - godoc2md $(REPO) > README.md - -test: - go test ./... diff --git a/vendor/github.com/tendermint/go-wire/data/README.md b/vendor/github.com/tendermint/go-wire/data/README.md deleted file mode 100644 index 81249932..00000000 --- a/vendor/github.com/tendermint/go-wire/data/README.md +++ /dev/null @@ -1,302 +0,0 @@ - - -# data -`import "github.com/tendermint/go-wire/data"` - -* [Overview](#pkg-overview) -* [Index](#pkg-index) - -## Overview -Data is designed to provide a standard interface and helper functions to -easily allow serialization and deserialization of your data structures -in both binary and json representations. - -This is commonly needed for interpreting transactions or stored data in the -abci app, as well as accepting json input in the light-client proxy. If we -can standardize how we pass data around the app, we can also allow more -extensions, like data storage that can interpret the meaning of the []byte -passed in, and use that to index multiple fields for example. - -Serialization of data is pretty automatic using standard json and go-wire -encoders. The main issue is deserialization, especially when using interfaces -where there are many possible concrete types. - -go-wire handles this by registering the types and providing a custom -deserializer: - - - var _ = wire.RegisterInterface( - struct{ PubKey }{}, - wire.ConcreteType{PubKeyEd25519{}, PubKeyTypeEd25519}, - wire.ConcreteType{PubKeySecp256k1{}, PubKeyTypeSecp256k1}, - ) - - func PubKeyFromBytes(pubKeyBytes []byte) (pubKey PubKey, err error) { - err = wire.ReadBinaryBytes(pubKeyBytes, &pubKey) - return - } - - func (pubKey PubKeyEd25519) Bytes() []byte { - return wire.BinaryBytes(struct{ PubKey }{pubKey}) - } - -This prepends a type-byte to the binary representation upon serialization and -using that byte to switch between various representations on deserialization. -go-wire also supports something similar in json, but it leads to kind of ugly -mixed-types arrays, and requires using the go-wire json parser, which is -limited relative to the standard library encoding/json library. - -In json, the typical idiom is to use a type string and message data: - - - { - "type": "this part tells you how to interpret the message", - "data": ...the actual message is here, in some kind of json... - } - -I took inspiration from two blog posts, that demonstrate how to use this -to build (de)serialization in a go-wire like way. - -* http://eagain.net/articles/go-dynamic-json/ -* http://eagain.net/articles/go-json-kind/ - -This package unifies these two in a single Mapper. - -You app needs to do three things to take full advantage of this: - -1. For every interface you wish to serialize, define a holder struct with some helper methods, like FooerS wraps Fooer in common_test.go -2. In all structs that include this interface, include the wrapping struct instead. Functionally, this also fulfills the interface, so except for setting it or casting it to a sub-type it works the same. -3. Register the interface implementations as in the last init of common_test.go. If you are currently using go-wire, you should be doing this already - -The benefits here is you can now run any of the following methods, both for -efficient storage in our go app, and a common format for rpc / humans. - - - orig := FooerS{foo} - - // read/write binary a la tendermint/go-wire - bparsed := FooerS{} - err := wire.ReadBinaryBytes( - wire.BinaryBytes(orig), &bparsed) - - // read/write json a la encoding/json - jparsed := FooerS{} - j, err := json.MarshalIndent(orig, "", "\t") - err = json.Unmarshal(j, &jparsed) - -See https://github.com/tendermint/go-wire/data/blob/master/common_test.go to see -how to set up your code to use this. - - - - -## Index -* [Variables](#pkg-variables) -* [type ByteEncoder](#ByteEncoder) -* [type Bytes](#Bytes) - * [func (b Bytes) MarshalJSON() ([]byte, error)](#Bytes.MarshalJSON) - * [func (b *Bytes) UnmarshalJSON(data []byte) error](#Bytes.UnmarshalJSON) -* [type JSONMapper](#JSONMapper) - * [func (m *JSONMapper) FromJSON(data []byte) (interface{}, error)](#JSONMapper.FromJSON) - * [func (m *JSONMapper) ToJSON(data interface{}) ([]byte, error)](#JSONMapper.ToJSON) -* [type Mapper](#Mapper) - * [func NewMapper(base interface{}) Mapper](#NewMapper) - * [func (m Mapper) RegisterInterface(kind string, b byte, data interface{}) Mapper](#Mapper.RegisterInterface) - - -#### Package files -[binary.go](/src/github.com/tendermint/go-wire/data/binary.go) [bytes.go](/src/github.com/tendermint/go-wire/data/bytes.go) [docs.go](/src/github.com/tendermint/go-wire/data/docs.go) [json.go](/src/github.com/tendermint/go-wire/data/json.go) [wrapper.go](/src/github.com/tendermint/go-wire/data/wrapper.go) - - - -## Variables -``` go -var ( - Encoder ByteEncoder = hexEncoder{} - HexEncoder = hexEncoder{} - B64Encoder = base64Encoder{base64.URLEncoding} - RawB64Encoder = base64Encoder{base64.RawURLEncoding} -) -``` -Encoder is a global setting for all byte encoding -This is the default. Please override in the main()/init() -of your program to change how byte slices are presented - - - - -## type [ByteEncoder](/src/target/bytes.go?s=1436:1547#L44) -``` go -type ByteEncoder interface { - Marshal(bytes []byte) ([]byte, error) - Unmarshal(dst *[]byte, src []byte) error -} -``` -ByteEncoder handles both the marshalling and unmarshalling of -an arbitrary byte slice. - -All Bytes use the global Encoder set in this package. -If you want to use this encoding for byte arrays, you can just -implement a simple custom marshaller for your byte array - - - type Dings [64]byte - - func (d Dings) MarshalJSON() ([]byte, error) { - return data.Encoder.Marshal(d[:]) - } - - func (d *Dings) UnmarshalJSON(data []byte) error { - ref := (*d)[:] - return data.Encoder.Unmarshal(&ref, data) - } - - - - - - - - - - -## type [Bytes](/src/target/bytes.go?s=681:698#L16) -``` go -type Bytes []byte -``` -Bytes is a special byte slice that allows us to control the -serialization format per app. - -Thus, basecoin could use hex, another app base64, and a third -app base58... - - - - - - - - - - -### func (Bytes) [MarshalJSON](/src/target/bytes.go?s=700:744#L18) -``` go -func (b Bytes) MarshalJSON() ([]byte, error) -``` - - - -### func (\*Bytes) [UnmarshalJSON](/src/target/bytes.go?s=777:825#L22) -``` go -func (b *Bytes) UnmarshalJSON(data []byte) error -``` - - - -## type [JSONMapper](/src/target/json.go?s=80:178#L1) -``` go -type JSONMapper struct { - // contains filtered or unexported fields -} -``` - - - - - - - - - -### func (\*JSONMapper) [FromJSON](/src/target/json.go?s=1202:1265#L41) -``` go -func (m *JSONMapper) FromJSON(data []byte) (interface{}, error) -``` -FromJSON will deserialize the output of ToJSON for every registered -implementation of the interface - - - - -### func (\*JSONMapper) [ToJSON](/src/target/json.go?s=1814:1875#L67) -``` go -func (m *JSONMapper) ToJSON(data interface{}) ([]byte, error) -``` -ToJson will serialize a registered implementation into a format like: - - - { - "type": "foo", - "data": { - "name": "dings" - } - } - -this allows us to properly deserialize with FromJSON - - - - -## type [Mapper](/src/target/wrapper.go?s=485:535#L5) -``` go -type Mapper struct { - *JSONMapper - // contains filtered or unexported fields -} -``` -Mapper is the main entry point in the package. - -On init, you should call NewMapper() for each interface type you want -to support flexible de-serialization, and then -RegisterInterface() in the init() function for each implementation of these -interfaces. - -Note that unlike go-wire, you can call RegisterInterface separately from -different locations with each implementation, not all in one place. -Just be careful not to use the same key or byte, of init will *panic* - - - - - - - -### func [NewMapper](/src/target/wrapper.go?s=747:786#L17) -``` go -func NewMapper(base interface{}) Mapper -``` -NewMapper creates a Mapper. - -If you have: - - - type Foo interface {....} - type FooS struct { Foo } - -then you should pass in FooS{} in NewMapper, and implementations of Foo -in RegisterInterface - - - - - -### func (Mapper) [RegisterInterface](/src/target/wrapper.go?s=1184:1263#L30) -``` go -func (m Mapper) RegisterInterface(kind string, b byte, data interface{}) Mapper -``` -RegisterInterface should be called once for each implementation of the -interface that we wish to support. - -kind is the type string used in the json representation, while b is the -type byte used in the go-wire representation. data is one instance of this -concrete type, like Bar{} - - - - - - - - -- - - -Generated by [godoc2md](http://godoc.org/github.com/davecheney/godoc2md) diff --git a/vendor/github.com/tendermint/go-wire/data/binary.go b/vendor/github.com/tendermint/go-wire/data/binary.go deleted file mode 100644 index 1e221a49..00000000 --- a/vendor/github.com/tendermint/go-wire/data/binary.go +++ /dev/null @@ -1,38 +0,0 @@ -package data - -import ( - "github.com/pkg/errors" - wire "github.com/tendermint/go-wire" -) - -type binaryMapper struct { - base interface{} - impls []wire.ConcreteType -} - -func newBinaryMapper(base interface{}) *binaryMapper { - return &binaryMapper{ - base: base, - } -} - -// registerImplementation allows you to register multiple concrete types. -// -// We call wire.RegisterInterface with the entire (growing list) each time, -// as we do not know when the end is near. -func (m *binaryMapper) registerImplementation(data interface{}, kind string, b byte) { - m.impls = append(m.impls, wire.ConcreteType{O: data, Byte: b}) - wire.RegisterInterface(m.base, m.impls...) -} - -// ToWire is a convenience method to serialize with go-wire -// error is there to keep the same interface as json, but always nil -func ToWire(o interface{}) ([]byte, error) { - return wire.BinaryBytes(o), nil -} - -// FromWire is a convenience method to deserialize with go-wire -func FromWire(d []byte, o interface{}) error { - return errors.WithStack( - wire.ReadBinaryBytes(d, o)) -} diff --git a/vendor/github.com/tendermint/go-wire/data/binary_test.go b/vendor/github.com/tendermint/go-wire/data/binary_test.go deleted file mode 100644 index 5ec59336..00000000 --- a/vendor/github.com/tendermint/go-wire/data/binary_test.go +++ /dev/null @@ -1,55 +0,0 @@ -package data_test - -import ( - "testing" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - wire "github.com/tendermint/go-wire" -) - -func TestSimpleBinary(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - cases := []struct { - foo Fooer - }{ - {foo: Bar{Name: "Fly"}}, - {foo: Baz{Name: "For Bar"}}, - } - - for _, tc := range cases { - assert.NotEmpty(tc.foo.Foo()) - wrap := FooerS{tc.foo} - parsed := FooerS{} - d := wire.BinaryBytes(wrap) - require.NotEmpty(d) - err := wire.ReadBinaryBytes(d, &parsed) - require.Nil(err, "%+v", err) - assert.Equal(tc.foo.Foo(), parsed.Foo()) - } -} - -func TestNestedBinary(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - cases := []struct { - expected string - foo Fooer - }{ - {"Bar Fly", Bar{Name: "Fly"}}, - {"Foz Baz", Baz{Name: "For Bar"}}, - {"My: Bar None", Nested{"My", FooerS{Bar{"None"}}}}, - } - - for _, tc := range cases { - assert.Equal(tc.expected, tc.foo.Foo()) - wrap := FooerS{tc.foo} - parsed := FooerS{} - d := wire.BinaryBytes(wrap) - require.NotEmpty(d) - err := wire.ReadBinaryBytes(d, &parsed) - require.Nil(err, "%+v", err) - assert.Equal(tc.expected, parsed.Foo()) - } -} diff --git a/vendor/github.com/tendermint/go-wire/data/bytes.go b/vendor/github.com/tendermint/go-wire/data/bytes.go deleted file mode 100644 index c362c096..00000000 --- a/vendor/github.com/tendermint/go-wire/data/bytes.go +++ /dev/null @@ -1,124 +0,0 @@ -package data - -import ( - "encoding/base64" - "encoding/hex" - "encoding/json" - "strings" - - "github.com/pkg/errors" -) - -// Encoder is a global setting for all byte encoding -// This is the default. Please override in the main()/init() -// of your program to change how byte slices are presented -// -// In addition to these implementation, you can also find -// BTCEncoder and FlickrEncoder that use base58 variants in -// github.com/tendermint/go-wire/data/base58 -var ( - Encoder ByteEncoder = hexEncoder{} - HexEncoder = hexEncoder{} - B64Encoder = base64Encoder{base64.URLEncoding} - RawB64Encoder = base64Encoder{base64.RawURLEncoding} -) - -// Bytes is a special byte slice that allows us to control the -// serialization format per app. -// -// Thus, basecoin could use hex, another app base64, and a third -// app base58... -type Bytes []byte - -func (b Bytes) MarshalJSON() ([]byte, error) { - return Encoder.Marshal(b) -} - -func (b *Bytes) UnmarshalJSON(data []byte) error { - ref := (*[]byte)(b) - return Encoder.Unmarshal(ref, data) -} - -// Allow it to fulfill various interfaces in light-client, etc... -func (b Bytes) Bytes() []byte { - return b -} - -// String gets a simple string for printing (the json output minus quotes) -func (b Bytes) String() string { - raw, err := Encoder.Marshal(b) - l := len(raw) - if err != nil || l < 2 { - return "Bytes" - } - return string(raw[1 : l-1]) -} - -// ByteEncoder handles both the marshalling and unmarshalling of -// an arbitrary byte slice. -// -// All Bytes use the global Encoder set in this package. -// If you want to use this encoding for byte arrays, you can just -// implement a simple custom marshaller for your byte array -// -// type Dings [64]byte -// -// func (d Dings) MarshalJSON() ([]byte, error) { -// return data.Encoder.Marshal(d[:]) -// } -// -// func (d *Dings) UnmarshalJSON(enc []byte) error { -// var ref []byte -// err := data.Encoder.Unmarshal(&ref, enc) -// copy(d[:], ref) -// return err -// } -type ByteEncoder interface { - Marshal(bytes []byte) ([]byte, error) - Unmarshal(dst *[]byte, src []byte) error -} - -// hexEncoder implements ByteEncoder encoding the slice as a hexidecimal -// string -type hexEncoder struct{} - -var _ ByteEncoder = hexEncoder{} - -func (_ hexEncoder) Unmarshal(dst *[]byte, src []byte) (err error) { - var s string - err = json.Unmarshal(src, &s) - if err != nil { - return errors.Wrap(err, "parse string") - } - // and interpret that string as hex - *dst, err = hex.DecodeString(s) - return err -} - -func (_ hexEncoder) Marshal(bytes []byte) ([]byte, error) { - s := strings.ToUpper(hex.EncodeToString(bytes)) - return json.Marshal(s) -} - -// base64Encoder implements ByteEncoder encoding the slice as -// base64 url-safe encoding -type base64Encoder struct { - *base64.Encoding -} - -var _ ByteEncoder = base64Encoder{} - -func (e base64Encoder) Unmarshal(dst *[]byte, src []byte) (err error) { - var s string - err = json.Unmarshal(src, &s) - if err != nil { - return errors.Wrap(err, "parse string") - } - *dst, err = e.DecodeString(s) - return err -} - -func (e base64Encoder) Marshal(bytes []byte) ([]byte, error) { - s := e.EncodeToString(bytes) - return json.Marshal(s) -} diff --git a/vendor/github.com/tendermint/go-wire/data/bytes_test.go b/vendor/github.com/tendermint/go-wire/data/bytes_test.go deleted file mode 100644 index 4b8cb8e3..00000000 --- a/vendor/github.com/tendermint/go-wire/data/bytes_test.go +++ /dev/null @@ -1,243 +0,0 @@ -package data_test - -import ( - "encoding/json" - "testing" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - data "github.com/tendermint/go-wire/data" -) - -func TestEncoders(t *testing.T) { - assert := assert.New(t) - - hex := data.HexEncoder - b64 := data.B64Encoder - rb64 := data.RawB64Encoder - cases := []struct { - encoder data.ByteEncoder - input, expected []byte - }{ - // hexidecimal - {hex, []byte(`"1A2B3C4D"`), []byte{0x1a, 0x2b, 0x3c, 0x4d}}, - {hex, []byte(`"DE14"`), []byte{0xde, 0x14}}, - // these are errors - {hex, []byte(`0123`), nil}, // not in quotes - {hex, []byte(`"dewq12"`), nil}, // invalid chars - {hex, []byte(`"abc"`), nil}, // uneven length - - // base64 - {b64, []byte(`"Zm9v"`), []byte("foo")}, - {b64, []byte(`"RCEuM3M="`), []byte("D!.3s")}, - // make sure url encoding! - {b64, []byte(`"D4_a--w="`), []byte{0x0f, 0x8f, 0xda, 0xfb, 0xec}}, - // these are errors - {b64, []byte(`"D4/a++1="`), nil}, // non-url encoding - {b64, []byte(`0123`), nil}, // not in quotes - {b64, []byte(`"hey!"`), nil}, // invalid chars - {b64, []byte(`"abc"`), nil}, // length%4 != 0 - - // raw base64 - {rb64, []byte(`"Zm9v"`), []byte("foo")}, - {rb64, []byte(`"RCEuM3M"`), []byte("D!.3s")}, - // make sure url encoding! - {rb64, []byte(`"D4_a--w"`), []byte{0x0f, 0x8f, 0xda, 0xfb, 0xec}}, - // these are errors - {rb64, []byte(`"D4/a++1"`), nil}, // non-url encoding - {rb64, []byte(`0123`), nil}, // not in quotes - {rb64, []byte(`"hey!"`), nil}, // invalid chars - {rb64, []byte(`"abc="`), nil}, // with padding - - } - - for _, tc := range cases { - var output []byte - err := tc.encoder.Unmarshal(&output, tc.input) - if tc.expected == nil { - assert.NotNil(err, tc.input) - } else if assert.Nil(err, "%s: %+v", tc.input, err) { - assert.Equal(tc.expected, output, tc.input) - rev, err := tc.encoder.Marshal(tc.expected) - if assert.Nil(err, tc.input) { - assert.Equal(tc.input, rev) - } - } - } -} - -func TestString(t *testing.T) { - assert := assert.New(t) - - hex := data.HexEncoder - b64 := data.B64Encoder - rb64 := data.RawB64Encoder - cases := []struct { - encoder data.ByteEncoder - expected string - input []byte - }{ - // hexidecimal - {hex, "1A2B3C4D", []byte{0x1a, 0x2b, 0x3c, 0x4d}}, - {hex, "DE14", []byte{0xde, 0x14}}, - {b64, "RCEuM3M=", []byte("D!.3s")}, - {rb64, "D4_a--w", []byte{0x0f, 0x8f, 0xda, 0xfb, 0xec}}, - } - for _, tc := range cases { - data.Encoder = tc.encoder - b := data.Bytes(tc.input) - assert.Equal(tc.expected, b.String()) - } -} - -// BData can be encoded/decoded -type BData struct { - Count int - Data data.Bytes -} - -// BView is to unmarshall and check the encoding -type BView struct { - Count int - Data string -} - -func TestBytes(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - cases := []struct { - encoder data.ByteEncoder - data data.Bytes - expected string - }{ - {data.HexEncoder, []byte{0x1a, 0x2b, 0x3c, 0x4d}, "1A2B3C4D"}, - {data.B64Encoder, []byte("D!.3s"), "RCEuM3M="}, - {data.RawB64Encoder, []byte("D!.3s"), "RCEuM3M"}, - } - - for i, tc := range cases { - data.Encoder = tc.encoder - // encode the data - in := BData{Count: 15, Data: tc.data} - d, err := json.Marshal(in) - require.Nil(err, "%d: %+v", i, err) - // recover the data - out := BData{} - err = json.Unmarshal(d, &out) - require.Nil(err, "%d: %+v", i, err) - assert.Equal(in.Count, out.Count, "%d", i) - assert.Equal(in.Data, out.Data, "%d", i) - // check the encoding - view := BView{} - err = json.Unmarshal(d, &view) - require.Nil(err, "%d: %+v", i, err) - assert.Equal(tc.expected, view.Data) - } -} - -/*** this is example code for the byte array ***/ - -type Dings [5]byte - -func (d Dings) MarshalJSON() ([]byte, error) { - return data.Encoder.Marshal(d[:]) -} - -func (d *Dings) UnmarshalJSON(enc []byte) error { - var ref []byte - err := data.Encoder.Unmarshal(&ref, enc) - copy(d[:], ref) - return err -} - -func TestByteArray(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - d := Dings{} - copy(d[:], []byte("D!.3s")) - - cases := []struct { - encoder data.ByteEncoder - data Dings - expected string - }{ - {data.HexEncoder, Dings{0x1a, 0x2b, 0x3c, 0x4d, 0x5e}, "1A2B3C4D5E"}, - {data.B64Encoder, d, "RCEuM3M="}, - {data.RawB64Encoder, d, "RCEuM3M"}, - } - - for i, tc := range cases { - data.Encoder = tc.encoder - // encode the data - d, err := json.Marshal(tc.data) - require.Nil(err, "%d: %+v", i, err) - // recover the data - out := Dings{} - err = json.Unmarshal(d, &out) - require.Nil(err, "%d: %+v", i, err) - assert.Equal(tc.data, out, "%d", i) - // check the encoding - view := "" - err = json.Unmarshal(d, &view) - require.Nil(err, "%d: %+v", i, err) - assert.Equal(tc.expected, view) - } - - // Test invalid data - invalid := []byte(`"food"`) - data.Encoder = data.HexEncoder - ding := Dings{1, 2, 3, 4, 5} - parsed := ding - require.Equal(ding, parsed) - // on a failed parsing, we don't overwrite any data - err := json.Unmarshal(invalid, &parsed) - require.NotNil(err) - assert.Equal(ding, parsed) -} - -// I guess this is "proper"? Seems funny though... -// echo -n "deadbQ==" | base64 -D | od -H -// echo -n "deadb9==" | base64 -D | od -H -// both ---> 6f9de675 -// func TestWTF(t *testing.T) { -// assert := assert.New(t) -// url := base64.URLEncoding -// std := base64.StdEncoding - -// cases := []struct { -// s string -// e *base64.Encoding -// }{ -// // these fail... -// {"D4_a--1=", url}, -// {"D4_a0-1=", url}, -// {"D4_a__1=", url}, -// {"D4/a++1=", std}, -// {"D4_a0-9=", url}, -// {"Finey-1=", url}, -// {"Finey41=", url}, -// {"Finey+1=", std}, -// {"Finey+1+", std}, -// {"Fineyo1=", url}, -// // these work -// {"D4_a0-A=", url}, -// {"D4_a0BA=", url}, -// // more random ending in [1-9]= -// {"deadbe7=", url}, -// {"deadb7==", url}, -// {"deadbe==", url}, -// // wait, 0= is safe... -// {"deadbe0=", url}, -// {"deadAA2=", std}, -// {"deadAA9=", std}, -// {"deadaa9=", url}, -// } - -// for _, tc := range cases { -// b, err := tc.e.DecodeString(tc.s) -// if assert.Nil(err, "%#v", err) { -// s := tc.e.EncodeToString(b) -// assert.Equal(tc.s, s) -// } -// } -// } diff --git a/vendor/github.com/tendermint/go-wire/data/common_test.go b/vendor/github.com/tendermint/go-wire/data/common_test.go deleted file mode 100644 index c8f9a80f..00000000 --- a/vendor/github.com/tendermint/go-wire/data/common_test.go +++ /dev/null @@ -1,75 +0,0 @@ -package data_test - -import ( - "strings" - - data "github.com/tendermint/go-wire/data" -) - -/** These are some sample types to test parsing **/ - -type Fooer interface { - Foo() string -} - -type Bar struct { - Name string `json:"name"` -} - -func (b Bar) Foo() string { - return "Bar " + b.Name -} - -type Baz struct { - Name string `json:"name"` -} - -func (b Baz) Foo() string { - return strings.Replace(b.Name, "r", "z", -1) -} - -type Nested struct { - Prefix string `json:"prefix"` - Sub FooerS `json:"sub"` -} - -func (n Nested) Foo() string { - return n.Prefix + ": " + n.Sub.Foo() -} - -/** This is parse code: todo - autogenerate **/ - -var fooersParser data.Mapper - -type FooerS struct { - Fooer -} - -func (f FooerS) MarshalJSON() ([]byte, error) { - return fooersParser.ToJSON(f.Fooer) -} - -func (f *FooerS) UnmarshalJSON(data []byte) (err error) { - parsed, err := fooersParser.FromJSON(data) - if err == nil { - f.Fooer = parsed.(Fooer) - } - return -} - -// Set is a helper to deal with wrapped interfaces -func (f *FooerS) Set(foo Fooer) { - f.Fooer = foo -} - -/** end TO-BE auto-generated code **/ - -/** This connects our code with the auto-generated helpers **/ - -// this init must come after the above init (which should be in a file from import) -func init() { - fooersParser = data.NewMapper(FooerS{}). - RegisterImplementation(Bar{}, "bar", 0x01). - RegisterImplementation(Baz{}, "baz", 0x02). - RegisterImplementation(Nested{}, "nest", 0x03) -} diff --git a/vendor/github.com/tendermint/go-wire/data/docs.go b/vendor/github.com/tendermint/go-wire/data/docs.go deleted file mode 100644 index c687f47d..00000000 --- a/vendor/github.com/tendermint/go-wire/data/docs.go +++ /dev/null @@ -1,79 +0,0 @@ -/* -Data is designed to provide a standard interface and helper functions to -easily allow serialization and deserialization of your data structures -in both binary and json representations. - -This is commonly needed for interpreting transactions or stored data in the -abci app, as well as accepting json input in the light-client proxy. If we -can standardize how we pass data around the app, we can also allow more -extensions, like data storage that can interpret the meaning of the []byte -passed in, and use that to index multiple fields for example. - -Serialization of data is pretty automatic using standard json and go-wire -encoders. The main issue is deserialization, especially when using interfaces -where there are many possible concrete types. - -go-wire handles this by registering the types and providing a custom -deserializer: - - var _ = wire.RegisterInterface( - struct{ PubKey }{}, - wire.ConcreteType{PubKeyEd25519{}, PubKeyTypeEd25519}, - wire.ConcreteType{PubKeySecp256k1{}, PubKeyTypeSecp256k1}, - ) - - func PubKeyFromBytes(pubKeyBytes []byte) (pubKey PubKey, err error) { - err = wire.ReadBinaryBytes(pubKeyBytes, &pubKey) - return - } - - func (pubKey PubKeyEd25519) Bytes() []byte { - return wire.BinaryBytes(struct{ PubKey }{pubKey}) - } - -This prepends a type-byte to the binary representation upon serialization and -using that byte to switch between various representations on deserialization. -go-wire also supports something similar in json, but it leads to kind of ugly -mixed-types arrays, and requires using the go-wire json parser, which is -limited relative to the standard library encoding/json library. - -In json, the typical idiom is to use a type string and message data: - - { - "type": "this part tells you how to interpret the message", - "data": ...the actual message is here, in some kind of json... - } - -I took inspiration from two blog posts, that demonstrate how to use this -to build (de)serialization in a go-wire like way. - -* http://eagain.net/articles/go-dynamic-json/ -* http://eagain.net/articles/go-json-kind/ - -This package unifies these two in a single Mapper. - -You app needs to do three things to take full advantage of this: - -1. For every interface you wish to serialize, define a holder struct with some helper methods, like FooerS wraps Fooer in common_test.go -2. In all structs that include this interface, include the wrapping struct instead. Functionally, this also fulfills the interface, so except for setting it or casting it to a sub-type it works the same. -3. Register the interface implementations as in the last init of common_test.go. If you are currently using go-wire, you should be doing this already - -The benefits here is you can now run any of the following methods, both for -efficient storage in our go app, and a common format for rpc / humans. - - orig := FooerS{foo} - - // read/write binary a la tendermint/go-wire - bparsed := FooerS{} - err := wire.ReadBinaryBytes( - wire.BinaryBytes(orig), &bparsed) - - // read/write json a la encoding/json - jparsed := FooerS{} - j, err := json.MarshalIndent(orig, "", "\t") - err = json.Unmarshal(j, &jparsed) - -See https://github.com/tendermint/go-wire/data/blob/master/common_test.go to see -how to set up your code to use this. -*/ -package data diff --git a/vendor/github.com/tendermint/go-wire/data/json.go b/vendor/github.com/tendermint/go-wire/data/json.go deleted file mode 100644 index 5e6c156d..00000000 --- a/vendor/github.com/tendermint/go-wire/data/json.go +++ /dev/null @@ -1,122 +0,0 @@ -package data - -import ( - "bytes" - "encoding/json" - "reflect" - - "github.com/pkg/errors" -) - -type jsonMapper struct { - kindToType map[string]reflect.Type - typeToKind map[reflect.Type]string -} - -func newJsonMapper(base interface{}) *jsonMapper { - return &jsonMapper{ - kindToType: map[string]reflect.Type{}, - typeToKind: map[reflect.Type]string{}, - } -} - -// ToJSON is a convenience method to serialize with encoding/json -func ToJSON(o interface{}) ([]byte, error) { - d, err := json.MarshalIndent(o, "", " ") - return d, errors.WithStack(err) -} - -// FromJSON is a convenience method to deserialize with encoding/json -func FromJSON(d []byte, o interface{}) error { - return errors.WithStack( - json.Unmarshal(d, o)) -} - -// registerImplementation allows you to register multiple concrete types. -// -// Returns itself to allow calls to be chained -func (m *jsonMapper) registerImplementation(data interface{}, kind string, b byte) { - typ := reflect.TypeOf(data) - m.kindToType[kind] = typ - m.typeToKind[typ] = kind -} - -// getTarget returns a pointer to an allocated object of the proper kind -func (m *jsonMapper) getTarget(kind string) (interface{}, error) { - typ, ok := m.kindToType[kind] - if !ok { - return nil, errors.Errorf("Unmarshaling into unknown type: %s", kind) - } - target := reflect.New(typ).Interface() - return target, nil -} - -func (m *jsonMapper) getKind(obj interface{}) (string, error) { - typ := reflect.TypeOf(obj) - kind, ok := m.typeToKind[typ] - if !ok { - return "", errors.Errorf("Marshalling from unknown type: %#v", obj) - } - return kind, nil -} - -// FromJSON will deserialize the output of ToJSON for every registered -// implementation of the interface -func (m *jsonMapper) FromJSON(data []byte) (interface{}, error) { - // handle null specially - if bytes.Equal(data, []byte("null")) { - return nil, nil - } - e := envelope{ - Data: &json.RawMessage{}, - } - err := json.Unmarshal(data, &e) - if err != nil { - return nil, err - } - // switch on the type, then unmarshal into that - bytes := *e.Data.(*json.RawMessage) - res, err := m.getTarget(e.Kind) - if err != nil { - return nil, err - } - err = json.Unmarshal(bytes, &res) - // getTarget returned a pointer for Unmarshall, now dereference it - res = reflect.ValueOf(res).Elem().Interface() - return res, err -} - -// ToJson will serialize a registered implementation into a format like: -// { -// "type": "foo", -// "data": { -// "name": "dings" -// } -// } -// this allows us to properly deserialize with FromJSON -func (m *jsonMapper) ToJSON(data interface{}) ([]byte, error) { - // handle null specially - if data == nil { - return []byte("null"), nil - } - raw, err := json.Marshal(data) - if err != nil { - return nil, errors.WithStack(err) - } - kind, err := m.getKind(data) - if err != nil { - return nil, err - } - msg := json.RawMessage(raw) - e := envelope{ - Kind: kind, - Data: &msg, - } - return json.Marshal(e) -} - -// envelope lets us switch on type -type envelope struct { - Kind string `json:"type"` - Data interface{} `json:"data"` -} diff --git a/vendor/github.com/tendermint/go-wire/data/json_test.go b/vendor/github.com/tendermint/go-wire/data/json_test.go deleted file mode 100644 index 0ecdeb6d..00000000 --- a/vendor/github.com/tendermint/go-wire/data/json_test.go +++ /dev/null @@ -1,57 +0,0 @@ -package data_test - -import ( - "encoding/json" - "testing" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - data "github.com/tendermint/go-wire/data" -) - -func TestSimpleJSON(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - cases := []struct { - foo Fooer - }{ - {foo: Bar{Name: "Fly"}}, - {foo: Baz{Name: "For Bar"}}, - } - - for _, tc := range cases { - assert.NotEmpty(tc.foo.Foo()) - wrap := FooerS{tc.foo} - parsed := FooerS{} - d, err := json.Marshal(wrap) - require.Nil(err, "%+v", err) - err = json.Unmarshal(d, &parsed) - require.Nil(err, "%+v", err) - assert.Equal(tc.foo.Foo(), parsed.Foo()) - } -} - -func TestNestedJSON(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - cases := []struct { - expected string - foo Fooer - }{ - {"Bar Fly", Bar{Name: "Fly"}}, - {"Foz Baz", Baz{Name: "For Bar"}}, - {"My: Bar None", Nested{"My", FooerS{Bar{"None"}}}}, - } - - for _, tc := range cases { - assert.Equal(tc.expected, tc.foo.Foo()) - wrap := FooerS{tc.foo} - parsed := FooerS{} - // also works with indentation - d, err := data.ToJSON(wrap) - require.Nil(err, "%+v", err) - err = json.Unmarshal(d, &parsed) - require.Nil(err, "%+v", err) - assert.Equal(tc.expected, parsed.Foo()) - } -} diff --git a/vendor/github.com/tendermint/go-wire/data/pointer_test.go b/vendor/github.com/tendermint/go-wire/data/pointer_test.go deleted file mode 100644 index 5bc467d7..00000000 --- a/vendor/github.com/tendermint/go-wire/data/pointer_test.go +++ /dev/null @@ -1,84 +0,0 @@ -package data_test - -import ( - "fmt" - "testing" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - data "github.com/tendermint/go-wire/data" -) - -type Ptr interface { - Point() string -} - -// implementations -type PStr string -type PInt int - -func (p *PStr) Point() string { - if p == nil { - return "snil" - } - return string(*p) -} - -func (p *PInt) Point() string { - if p == nil { - return "inil" - } - return fmt.Sprintf("int: %d", int(*p)) -} - -var ptrMapper data.Mapper - -// we register pointers to those structs, as they fulfill the interface -// but mainly so we can test how they handle nil values in the struct -func init() { - ps, pi := PStr(""), PInt(0) - ptrMapper = data.NewMapper(KeyS{}). - RegisterImplementation(&ps, "str", 5). - RegisterImplementation(&pi, "int", 25) -} - -// PtrS adds json serialization to Ptr -type PtrS struct { - Ptr -} - -func (p PtrS) MarshalJSON() ([]byte, error) { - return ptrMapper.ToJSON(p.Ptr) -} - -func (p *PtrS) UnmarshalJSON(data []byte) (err error) { - parsed, err := ptrMapper.FromJSON(data) - if err == nil && parsed != nil { - p.Ptr = parsed.(Ptr) - } - return -} - -// TestEncodingNil happens when we have a nil inside the embedding struct -func TestEncodingNil(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - s := PStr("foo") - i := PInt(567) - ptrs := []Ptr{&s, &i, nil} - - for i, p := range ptrs { - wrap := PtrS{p} - - js, err := data.ToJSON(wrap) - require.Nil(err, "%d: %+v", i, err) - - parsed := PtrS{} - err = data.FromJSON(js, &parsed) - require.Nil(err, "%d: %+v", i, err) - if wrap.Ptr != nil { - assert.Equal(parsed.Point(), wrap.Point()) - } - assert.Equal(parsed.Ptr, wrap.Ptr) - } -} diff --git a/vendor/github.com/tendermint/go-wire/data/text_test.go b/vendor/github.com/tendermint/go-wire/data/text_test.go deleted file mode 100644 index dfe6f1bf..00000000 --- a/vendor/github.com/tendermint/go-wire/data/text_test.go +++ /dev/null @@ -1,86 +0,0 @@ -package data_test - -import ( - "testing" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - data "github.com/tendermint/go-wire/data" -) - -// Key -type Key interface{} - -// implementations -type Cool struct{ data.Bytes } -type Lame struct{ data.Bytes } - -var keyMapper data.Mapper - -// register both private key types with go-wire/data (and thus go-wire) -func init() { - keyMapper = data.NewMapper(KeyS{}). - RegisterImplementation(Cool{}, "cool", 1). - RegisterImplementation(Lame{}, "lame", 88) -} - -// KeyS adds json serialization to Key -type KeyS struct { - Key -} - -func (p KeyS) MarshalJSON() ([]byte, error) { - return keyMapper.ToJSON(p.Key) -} - -func (p *KeyS) UnmarshalJSON(data []byte) (err error) { - parsed, err := keyMapper.FromJSON(data) - if err == nil { - p.Key = parsed.(Key) - } - return -} - -func TestSimpleText(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - data.Encoder = data.HexEncoder - cases := []struct { - key Key - expected string - }{ - {key: Cool{data.Bytes{0x42, 0x69}}, expected: "cool:4269"}, - {key: Lame{data.Bytes{0x70, 0xA3, 0x1e}}, expected: "lame:70A31E"}, - } - - for _, tc := range cases { - wrap := KeyS{tc.key} - // check json - _, err := data.ToJSON(wrap) - require.Nil(err, "%+v", err) - // check text - text, err := data.ToText(wrap) - require.Nil(err, "%+v", err) - assert.Equal(tc.expected, text) - } -} - -func TestBytesTest(t *testing.T) { - assert, require := assert.New(t), require.New(t) - - data.Encoder = data.HexEncoder - cases := []struct { - bytes data.Bytes - expected string - }{ - {data.Bytes{0x34, 0x54}, "3454"}, - {data.Bytes{}, ""}, - {data.Bytes{0xde, 0xad, 0xbe, 0x66}, "DEADBE66"}, - } - - for _, tc := range cases { - text, err := data.ToText(tc.bytes) - require.Nil(err, "%+v", err) - assert.Equal(tc.expected, text) - } -} diff --git a/vendor/github.com/tendermint/go-wire/data/wrapper.go b/vendor/github.com/tendermint/go-wire/data/wrapper.go deleted file mode 100644 index 280ed891..00000000 --- a/vendor/github.com/tendermint/go-wire/data/wrapper.go +++ /dev/null @@ -1,88 +0,0 @@ -package data - -import "fmt" - -/* -Mapper is the main entry point in the package. - -On init, you should call NewMapper() for each interface type you want -to support flexible de-serialization, and then -RegisterImplementation() in the init() function for each implementation of these -interfaces. - -Note that unlike go-wire, you can call RegisterImplementation separately from -different locations with each implementation, not all in one place. -Just be careful not to use the same key or byte, of init will *panic* -*/ -type Mapper struct { - *jsonMapper - *binaryMapper -} - -// NewMapper creates a Mapper. -// -// If you have: -// type Foo interface {....} -// type FooS struct { Foo } -// then you should pass in FooS{} in NewMapper, and implementations of Foo -// in RegisterImplementation -func NewMapper(base interface{}) Mapper { - return Mapper{ - jsonMapper: newJsonMapper(base), - binaryMapper: newBinaryMapper(base), - } -} - -// RegisterImplementation should be called once for each implementation of the -// interface that we wish to support. -// -// kind is the type string used in the json representation, while b is the -// type byte used in the go-wire representation. data is one instance of this -// concrete type, like Bar{} -func (m Mapper) RegisterImplementation(data interface{}, kind string, b byte) Mapper { - m.jsonMapper.registerImplementation(data, kind, b) - m.binaryMapper.registerImplementation(data, kind, b) - return m -} - -// ToText is a rather special-case serialization for cli, especially for []byte -// interfaces -// -// It tries to serialize as json, and the result looks like: -// { "type": "string", "data": "string" } -// Then it will return ":" -// -// Main usecase is serializing eg. crypto.PubKeyS as "ed25119:a1b2c3d4..." -// for displaying in cli tools. -// -// It also supports encoding data.Bytes to a string using the proper codec -// (or anything else that has a marshals to a string) -func ToText(o interface{}) (string, error) { - d, err := ToJSON(o) - if err != nil { - return "", err - } - - // try to recover as a string (data.Bytes case) - var s string - err = FromJSON(d, &s) - if err == nil { - return s, nil - } - - // if not, then try to recover as an interface (crypto.*S case) - text := textEnv{} - err = FromJSON(d, &text) - if err != nil { - return "", err - } - res := fmt.Sprintf("%s:%s", text.Kind, text.Data) - return res, nil -} - -// textEnv lets us parse an envelope if the data was output as string -// (either text, or a serialized []byte) -type textEnv struct { - Kind string `json:"type"` - Data string `json:"data"` -}