Official Go implementation of the Ethereum protocol
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go-ethereum/ethcrypto/crypto.go

33 lines
648 B

package ethcrypto
import (
"code.google.com/p/go.crypto/ripemd160"
"code.google.com/p/go.crypto/sha3"
"crypto/sha256"
"github.com/ethereum/eth-go/ethutil"
)
func Sha256Bin(data []byte) []byte {
hash := sha256.Sum256(data)
return hash[:]
}
func Ripemd160(data []byte) []byte {
ripemd := ripemd160.New()
ripemd.Write(data)
return ripemd.Sum(nil)
}
func Sha3Bin(data []byte) []byte {
d := sha3.NewKeccak256()
d.Write(data)
return d.Sum(nil)
}
// Creates an ethereum address given the bytes and the nonce
func CreateAddress(b []byte, nonce uint64) []byte {
return Sha3Bin(ethutil.NewValue([]interface{}{b, nonce}).Encode())[12:]
}