Thanos did someting

[bytom/vapor.git] / crypto / crypto.go

diff --git a/crypto/crypto.go b/crypto/crypto.go
deleted file mode 100644 (file)
index e21f561..0000000
--- a/crypto/crypto.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package crypto
-
-import (
-       "github.com/vapor/common"
-       "golang.org/x/crypto/ripemd160"
-       "golang.org/x/crypto/sha3"
-)
-
-func DoubleSha256(b []byte) []byte {
-       hasher := sha3.New256()
-       hasher.Write(b)
-       sum := hasher.Sum(nil)
-       hasher.Reset()
-       hasher.Write(sum)
-       return hasher.Sum(nil)
-}
-
-func Sha256(data ...[]byte) []byte {
-       d := sha3.New256()
-       for _, b := range data {
-               d.Write(b)
-       }
-       return d.Sum(nil)
-}
-
-func Sha256Hash(data ...[]byte) (h common.Hash) {
-       d := sha3.New256()
-       for _, b := range data {
-               d.Write(b)
-       }
-       d.Sum(h[:0])
-       return h
-}
-
-func Sha3(data ...[]byte) []byte          { return Sha256(data...) }
-func Sha3Hash(data ...[]byte) common.Hash { return Sha256Hash(data...) }
-
-func Ripemd160(data []byte) []byte {
-       ripemd := ripemd160.New()
-       ripemd.Write(data)
-
-       return ripemd.Sum(nil)
-}