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LitecoinScrypt.go
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LitecoinScrypt.go
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package main
import (
"golang.org/x/crypto/scrypt"
"crypto/sha256"
"encoding/hex"
"fmt"
)
func HashSHA256(input []byte) []byte {
hash := sha256.New()
hash.Write(input)
return hash.Sum(nil)
}
func DoubleSHA256(input []byte) []byte {
return HashSHA256(HashSHA256(input))
}
func DecodeHexString(input string) ([]byte, error) {
return hex.DecodeString(input)
}
func HexToString(input []byte) string {
return hex.EncodeToString(input)
}
func ArrayReverse(input []byte) []byte {
for i, j := 0, len(input)-1; i < j; i, j = i+1, j-1 {
input[i], input[j] = input[j], input[i]
}
return input
}
func Scrypt(input []byte) ([]byte, error) {
key, err := scrypt.Key(input, input, 1024, 1, 1, 32)
if err != nil {
err = fmt.Errorf("Unable to generate scrypt key: %s", err)
return key, err
}
return key, err
}
/*
func main() {
header := "01000000f615f7ce3b4fc6b8f61e8f89aedb1d0852507650533a9e3b10b9bbcc30639f279fcaa86746e1ef52d3edb3c4ad8259920d509bd073605c9bf1d59983752a6b06b817bb4ea78e011d012d59d4"
data, err := DecodeHexString(header)
if err != nil {
fmt.Errorf("Unable to decode header hex string: %s", err)
return
}
result := DoubleSHA256(data)
fmt.Println(HexToString(result))
fmt.Println(HexToString(ArrayReverse(result)))
dk, err := Scrypt(data)
if err != nil {
fmt.Errorf("Unable to generate scrypt key: %s", err)
return
}
fmt.Println(hex.EncodeToString(dk))
fmt.Println(hex.EncodeToString(ArrayReverse(dk)))
}
*/