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[bytom/vapor.git] / vendor / golang.org / x / crypto / openpgp / packet / encrypted_key_test.go

diff --git a/vendor/golang.org/x/crypto/openpgp/packet/encrypted_key_test.go b/vendor/golang.org/x/crypto/openpgp/packet/encrypted_key_test.go
new file mode 100644 (file)
index 0000000..fee14cf
--- /dev/null
+++ b/vendor/golang.org/x/crypto/openpgp/packet/encrypted_key_test.go
@@ -0,0 +1,146 @@
+// Copyright 2011 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 packet
+
+import (
+       "bytes"
+       "crypto/rsa"
+       "encoding/hex"
+       "fmt"
+       "math/big"
+       "testing"
+)
+
+func bigFromBase10(s string) *big.Int {
+       b, ok := new(big.Int).SetString(s, 10)
+       if !ok {
+               panic("bigFromBase10 failed")
+       }
+       return b
+}
+
+var encryptedKeyPub = rsa.PublicKey{
+       E: 65537,
+       N: bigFromBase10("115804063926007623305902631768113868327816898845124614648849934718568541074358183759250136204762053879858102352159854352727097033322663029387610959884180306668628526686121021235757016368038585212410610742029286439607686208110250133174279811431933746643015923132833417396844716207301518956640020862630546868823"),
+}
+
+var encryptedKeyRSAPriv = &rsa.PrivateKey{
+       PublicKey: encryptedKeyPub,
+       D:         bigFromBase10("32355588668219869544751561565313228297765464314098552250409557267371233892496951383426602439009993875125222579159850054973310859166139474359774543943714622292329487391199285040721944491839695981199720170366763547754915493640685849961780092241140181198779299712578774460837139360803883139311171713302987058393"),
+}
+
+var encryptedKeyPriv = &PrivateKey{
+       PublicKey: PublicKey{
+               PubKeyAlgo: PubKeyAlgoRSA,
+       },
+       PrivateKey: encryptedKeyRSAPriv,
+}
+
+func TestDecryptingEncryptedKey(t *testing.T) {
+       const encryptedKeyHex = "c18c032a67d68660df41c70104005789d0de26b6a50c985a02a13131ca829c413a35d0e6fa8d6842599252162808ac7439c72151c8c6183e76923fe3299301414d0c25a2f06a2257db3839e7df0ec964773f6e4c4ac7ff3b48c444237166dd46ba8ff443a5410dc670cb486672fdbe7c9dfafb75b4fea83af3a204fe2a7dfa86bd20122b4f3d2646cbeecb8f7be8"
+       const expectedKeyHex = "d930363f7e0308c333b9618617ea728963d8df993665ae7be1092d4926fd864b"
+
+       p, err := Read(readerFromHex(encryptedKeyHex))
+       if err != nil {
+               t.Errorf("error from Read: %s", err)
+               return
+       }
+       ek, ok := p.(*EncryptedKey)
+       if !ok {
+               t.Errorf("didn't parse an EncryptedKey, got %#v", p)
+               return
+       }
+
+       if ek.KeyId != 0x2a67d68660df41c7 || ek.Algo != PubKeyAlgoRSA {
+               t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+               return
+       }
+
+       err = ek.Decrypt(encryptedKeyPriv, nil)
+       if err != nil {
+               t.Errorf("error from Decrypt: %s", err)
+               return
+       }
+
+       if ek.CipherFunc != CipherAES256 {
+               t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+               return
+       }
+
+       keyHex := fmt.Sprintf("%x", ek.Key)
+       if keyHex != expectedKeyHex {
+               t.Errorf("bad key, got %s want %x", keyHex, expectedKeyHex)
+       }
+}
+
+func TestEncryptingEncryptedKey(t *testing.T) {
+       key := []byte{1, 2, 3, 4}
+       const expectedKeyHex = "01020304"
+       const keyId = 42
+
+       pub := &PublicKey{
+               PublicKey:  &encryptedKeyPub,
+               KeyId:      keyId,
+               PubKeyAlgo: PubKeyAlgoRSAEncryptOnly,
+       }
+
+       buf := new(bytes.Buffer)
+       err := SerializeEncryptedKey(buf, pub, CipherAES128, key, nil)
+       if err != nil {
+               t.Errorf("error writing encrypted key packet: %s", err)
+       }
+
+       p, err := Read(buf)
+       if err != nil {
+               t.Errorf("error from Read: %s", err)
+               return
+       }
+       ek, ok := p.(*EncryptedKey)
+       if !ok {
+               t.Errorf("didn't parse an EncryptedKey, got %#v", p)
+               return
+       }
+
+       if ek.KeyId != keyId || ek.Algo != PubKeyAlgoRSAEncryptOnly {
+               t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+               return
+       }
+
+       err = ek.Decrypt(encryptedKeyPriv, nil)
+       if err != nil {
+               t.Errorf("error from Decrypt: %s", err)
+               return
+       }
+
+       if ek.CipherFunc != CipherAES128 {
+               t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+               return
+       }
+
+       keyHex := fmt.Sprintf("%x", ek.Key)
+       if keyHex != expectedKeyHex {
+               t.Errorf("bad key, got %s want %x", keyHex, expectedKeyHex)
+       }
+}
+
+func TestSerializingEncryptedKey(t *testing.T) {
+       const encryptedKeyHex = "c18c032a67d68660df41c70104005789d0de26b6a50c985a02a13131ca829c413a35d0e6fa8d6842599252162808ac7439c72151c8c6183e76923fe3299301414d0c25a2f06a2257db3839e7df0ec964773f6e4c4ac7ff3b48c444237166dd46ba8ff443a5410dc670cb486672fdbe7c9dfafb75b4fea83af3a204fe2a7dfa86bd20122b4f3d2646cbeecb8f7be8"
+
+       p, err := Read(readerFromHex(encryptedKeyHex))
+       if err != nil {
+               t.Fatalf("error from Read: %s", err)
+       }
+       ek, ok := p.(*EncryptedKey)
+       if !ok {
+               t.Fatalf("didn't parse an EncryptedKey, got %#v", p)
+       }
+
+       var buf bytes.Buffer
+       ek.Serialize(&buf)
+
+       if bufHex := hex.EncodeToString(buf.Bytes()); bufHex != encryptedKeyHex {
+               t.Fatalf("serialization of encrypted key differed from original. Original was %s, but reserialized as %s", encryptedKeyHex, bufHex)
+       }
+}