func RIPEMD160Hash(data []byte) []byte {
first := sha256.Sum256(data)
hasher := ripemd160.New()
hasher.Write(first[:])
hash := hasher.Sum(nil)
return hash[:]
}
func RimpHash(in []byte, out []byte) {
sha := sha256.New()
sha.Write(in)
rim := ripemd160.New()
rim.Write(sha.Sum(nil)[:])
copy(out, rim.Sum(nil))
}
func (otp *OTP) hashCalc(algorithm string) ([8]byte, error) {
var hash_algorithm hash.Hash
tmpseq := STAITC_OTP_OTP_REP_COUNT - (otp.seq % STAITC_OTP_OTP_REP_COUNT)
_string_ := strconv.Itoa(otp.seed) + otp.passphrase
switch otp.mAlgorithm {
case "MD4":
hash_algorithm = md4.New()
case "MD5":
hash_algorithm = md5.New()
case "RIPEMD128":
hash_algorithm = ripemd128.New()
case "RIPEMD160":
hash_algorithm = ripemd160.New()
case "SHA1":
hash_algorithm = sha1.New()
default:
return [8]byte{0, 0, 0, 0, 0, 0, 0, 0}, fmt.Errorf("NoSuchAlgorithmException: %s", otp.mAlgorithm)
}
hash_algorithm.Reset()
hash_algorithm.Write(UCS2_to_UTF8([]byte(_string_)))
otp.hash = hashValueTo8(hash_algorithm.Sum(nil))
for tmpseq > 0 {
hash_algorithm.Reset()
hash_algorithm.Write(otp.hash[:])
otp.hash = hashValueTo8(hash_algorithm.Sum(nil))
tmpseq--
}
return otp.hash, nil
}
// Hash160 computes RIPEMD-160(SHA-256(data))
func Hash160(data []byte) []byte {
sha2 := sha256.New()
sha2.Write(data)
ripemd := ripemd160.New()
ripemd.Write(sha2.Sum(nil))
return ripemd.Sum(nil)
}
func (e *Engine) ripemd160() error {
data, err := computeHash(ripemd160.New(), e.stack.Pop())
if err == nil {
e.stack.Push(data)
}
return err
}
//GetAddress returns bitcoin address from PublicKey
func (pub *PublicKey) GetAddress() (string, []byte) {
var publicKeyPrefix byte
if pub.isTestnet {
publicKeyPrefix = 0x6F
} else {
publicKeyPrefix = 0x00
}
//Next we get a sha256 hash of the public key generated
//via ECDSA, and then get a ripemd160 hash of the sha256 hash.
var shadPublicKeyBytes [32]byte
if pub.isCompressed {
shadPublicKeyBytes = sha256.Sum256(pub.key.SerializeCompressed())
} else {
shadPublicKeyBytes = sha256.Sum256(pub.key.SerializeUncompressed())
}
ripeHash := ripemd160.New()
ripeHash.Write(shadPublicKeyBytes[:])
ripeHashedBytes := ripeHash.Sum(nil)
publicKeyEncoded := base58check.Encode(publicKeyPrefix, ripeHashedBytes)
return publicKeyEncoded, ripeHashedBytes
}
func Sha256RipeMD160(b []byte) []byte {
ripe := ripemd160.New()
sha := sha256.New()
sha.Write(b)
ripe.Write(sha.Sum(nil))
return ripe.Sum(nil)
}
func GenerateSin(pubkey []byte) string {
// FIRST STEP - COMPLETE
sha_256 := sha256.New()
sha_256.Write(pubkey)
// SECOND STEP - COMPLETE
rip := ripemd160.New()
rip.Write(sha_256.Sum(nil))
// THIRD STEP - COMPLETE
sin_version, _ := hex.DecodeString("0f02")
pubPrefixed := append(sin_version, rip.Sum(nil)...)
// FOURTH STEP - COMPLETE
sha2nd := sha256.New()
sha2nd.Write([]byte(pubPrefixed))
sha3rd := sha256.New()
sha3rd.Write([]byte(sha2nd.Sum(nil)))
// // FIFTH STEP - COMPLETE
checksum := sha3rd.Sum(nil)[0:4]
// SIXTH STEP - COMPLETE
pubWithChecksum := append(pubPrefixed, checksum...)
// SIN
sin := base58.Encode(pubWithChecksum)
return sin
}
// ripemd160
func hash20(input []byte) (res *[20]byte) {
hasher := ripemd160.New()
hasher.Write(input) // does not error
resSlice := hasher.Sum(nil)
res = new([20]byte)
copy(res[:], resSlice)
return
}
// NOTE: The default hash function is Ripemd160.
func BinaryRipemd160(o interface{}) []byte {
hasher, n, err := ripemd160.New(), new(int), new(error)
WriteBinary(o, hasher, n, err)
if *err != nil {
PanicSanity(*err)
}
return hasher.Sum(nil)
}
func ripemd160ofHexString(hexa string) string {
byta, _ := hex.DecodeString(hexa)
hash := ripemd160.New()
hash.Write(byta)
hashsum := hash.Sum(nil)
hexb := hex.EncodeToString(hashsum)
return hexb
}
// General Convenience
func SimpleHashFromBinary(item interface{}) []byte {
hasher, n, err := ripemd160.New(), new(int), new(error)
wire.WriteBinary(item, hasher, n, err)
if *err != nil {
PanicCrisis(err)
}
return hasher.Sum(nil)
}
//Extended keys can be identified by the Hash160 (RIPEMD160 after SHA256)
//of the serialized ECSDA public key K, ignoring the chain code
//The first 32 bits of the identifier are called the key fingerprint.
func (pek *ExtendedPublicKey) GetFingerPrint() []byte {
sha_256 := sha256.New()
sha_256.Write(pek.PublicKey)
sha := sha_256.Sum(nil)
ripemd := ripemd160.New()
ripemd.Write(sha)
final := ripemd.Sum(nil)
return final[:4]
}
func (part *Part) Hash() []byte {
if part.hash != nil {
return part.hash
} else {
hasher := ripemd160.New()
hasher.Write(part.Bytes) // doesn't err
part.hash = hasher.Sum(nil)
return part.hash
}
}
func checkUrlIsCached(url string) (string, bool) {
// check if file is in cache
cdir := filepath.Join(getArriccioDir(), "cache")
h := ripemd160.New()
h.Write([]byte(url))
hh := h.Sum(nil)
fname := filepath.Join(cdir, hex.EncodeToString(hh[:]))
_, err := os.Stat(fname)
return fname, (err == nil)
}
func SimpleHashFromTwoHashes(left []byte, right []byte) []byte {
var n int
var err error
var hasher = ripemd160.New()
wire.WriteByteSlice(left, hasher, &n, &err)
wire.WriteByteSlice(right, hasher, &n, &err)
if err != nil {
PanicCrisis(err)
}
return hasher.Sum(nil)
}
//Extended keys can be identified by the Hash160 (RIPEMD160 after SHA256)
//of the serialized ECSDA public key K, ignoring the chain code
//The first 32 bits of the identifier are called the key fingerprint.
func (ek *ExtendedKey) GetFingerPrint() []byte {
_, publicKey := btcec.PrivKeyFromBytes(btcec.S256(), ek.PrivateKey)
sha_256 := sha256.New()
sha_256.Write(publicKey.SerializeCompressed())
sha := sha_256.Sum(nil)
ripemd := ripemd160.New()
ripemd.Write(sha)
final := ripemd.Sum(nil)
return final[:4]
}
// SetPoint takes a public point and generates the corresponding address
// into the receiver, complete with valid checksum.
func (a *A25) SetPoint(p *Point) {
c := [65]byte{4}
copy(c[1:], p.x[:])
copy(c[33:], p.y[:])
h := sha256.New()
h.Write(c[:])
s := h.Sum([]byte{})
h = ripemd160.New()
h.Write(s)
h.Sum(a[1:1])
a.UpdateChecksum()
}
func (pubKey PubKeyEd25519) Address() []byte {
w, n, err := new(bytes.Buffer), new(int), new(error)
wire.WriteBinary(pubKey[:], w, n, err)
if *err != nil {
PanicCrisis(*err)
}
// append type byte
encodedPubkey := append([]byte{PubKeyTypeEd25519}, w.Bytes()...)
hasher := ripemd160.New()
hasher.Write(encodedPubkey) // does not error
return hasher.Sum(nil)
}
func (kv KVPair) Hash() []byte {
hasher, n, err := ripemd160.New(), new(int), new(error)
wire.WriteString(kv.Key, hasher, n, err)
if kvH, ok := kv.Value.(Hashable); ok {
wire.WriteByteSlice(kvH.Hash(), hasher, n, err)
} else {
wire.WriteBinary(kv.Value, hasher, n, err)
}
if *err != nil {
PanicSanity(*err)
}
return hasher.Sum(nil)
}
func makeHash(name string) hash.Hash {
switch strings.ToLower(name) {
case "ripemd160":
return ripemd160.New()
case "md4":
return md4.New()
case "md5":
return md5.New()
case "sha1":
return sha1.New()
case "sha256":
return sha256.New()
case "sha384":
return sha512.New384()
case "sha3-224":
return sha3.New224()
case "sha3-256":
return sha3.New256()
case "sha3-384":
return sha3.New384()
case "sha3-512":
return sha3.New512()
case "sha512":
return sha512.New()
case "sha512-224":
return sha512.New512_224()
case "sha512-256":
return sha512.New512_256()
case "crc32-ieee":
return crc32.NewIEEE()
case "crc64-iso":
return crc64.New(crc64.MakeTable(crc64.ISO))
case "crc64-ecma":
return crc64.New(crc64.MakeTable(crc64.ECMA))
case "adler32":
return adler32.New()
case "fnv32":
return fnv.New32()
case "fnv32a":
return fnv.New32a()
case "fnv64":
return fnv.New64()
case "fnv64a":
return fnv.New64a()
case "xor8":
return new(xor8)
case "fletch16":
return &fletch16{}
}
return nil
}
func main() {
flag.Parse()
hashAlgorithm := sha1.New()
if *sha1Flag {
hashAlgorithm = sha1.New()
}
if *md5Flag {
hashAlgorithm = md5.New()
}
if *sha256Flag {
hashAlgorithm = sha256.New()
}
if *sha384Flag {
hashAlgorithm = sha512.New384()
}
if *sha3256Flag {
hashAlgorithm = sha3.New256()
}
if *sha3384Flag {
hashAlgorithm = sha3.New384()
}
if *sha3512Flag {
hashAlgorithm = sha3.New512()
}
if *whirlpoolFlag {
hashAlgorithm = whirlpool.New()
}
if *blakeFlag {
hashAlgorithm = blake2.NewBlake2B()
}
if *ripemd160Flag {
hashAlgorithm = ripemd160.New()
}
for _, fileName := range flag.Args() {
f, _ := os.Open(fileName)
defer f.Close()
hashAlgorithm.Reset()
output := genericHashFile(f, hashAlgorithm)
if *b64Flag {
r64Output := base64.StdEncoding.EncodeToString(output)
fmt.Printf("%s %s\n", r64Output, fileName)
} else {
fmt.Printf("%x %s\n", output, fileName)
}
}
}
func (leaf IAVLProofLeafNode) Hash() []byte {
hasher := ripemd160.New()
buf := new(bytes.Buffer)
n, err := int(0), error(nil)
wire.WriteInt8(0, buf, &n, &err)
wire.WriteVarint(1, buf, &n, &err)
wire.WriteByteSlice(leaf.KeyBytes, buf, &n, &err)
wire.WriteByteSlice(leaf.ValueBytes, buf, &n, &err)
if err != nil {
PanicCrisis(Fmt("Failed to hash IAVLProofLeafNode: %v", err))
}
// fmt.Printf("LeafNode hash bytes: %X\n", buf.Bytes())
hasher.Write(buf.Bytes())
return hasher.Sum(nil)
}
//BitcoinPublicKeyToAddress takes a 65 byte public key found in parsing addresses
//and converts it to the 20 byte form
func BitcoinPublicKeyToAddress(pubKey []byte, address *block.Address) ([]byte, []byte, error) {
if pubKey[0] != 0x04 {
return nil, nil, errors.New("Beginning of 65 byte public key does not match expected format")
}
sha1 := sha256.New()
sha1.Write(pubKey)
hash1 := sha1.Sum(nil)
ripemd := ripemd160.New()
ripemd.Write(hash1)
hash160 := ripemd.Sum(nil)
ret := BitcoinRipeMD160ToAddress(hash160, address)
address.RipeMD160 = hex.EncodeToString(hash160)
address.PublicKey = hex.EncodeToString(pubKey)
return ret, hash160, nil
}
// NOTE: sets hashes recursively
func (node *IAVLNode) hashWithCount(t *IAVLTree) ([]byte, int) {
if node.hash != nil {
return node.hash, 0
}
hasher := ripemd160.New()
buf := new(bytes.Buffer)
_, hashCount, err := node.writeHashBytes(t, buf)
if err != nil {
PanicCrisis(err)
}
// fmt.Printf("Wrote IAVL hash bytes: %X\n", buf.Bytes())
hasher.Write(buf.Bytes())
node.hash = hasher.Sum(nil)
// fmt.Printf("Write IAVL hash: %X\n", node.hash)
return node.hash, hashCount + 1
}
func (branch IAVLProofInnerNode) Hash(childHash []byte) []byte {
hasher := ripemd160.New()
buf := new(bytes.Buffer)
n, err := int(0), error(nil)
wire.WriteInt8(branch.Height, buf, &n, &err)
wire.WriteVarint(branch.Size, buf, &n, &err)
if len(branch.Left) == 0 {
wire.WriteByteSlice(childHash, buf, &n, &err)
wire.WriteByteSlice(branch.Right, buf, &n, &err)
} else {
wire.WriteByteSlice(branch.Left, buf, &n, &err)
wire.WriteByteSlice(childHash, buf, &n, &err)
}
if err != nil {
PanicCrisis(Fmt("Failed to hash IAVLProofInnerNode: %v", err))
}
// fmt.Printf("InnerNode hash bytes: %X\n", buf.Bytes())
hasher.Write(buf.Bytes())
return hasher.Sum(nil)
}
func calculateDigest(files []string, algorithm string) {
var hasher hash.Hash
switch algorithm {
case "md5":
hasher = md5.New()
case "sha1":
hasher = sha1.New()
case "sha224":
hasher = sha256.New224()
case "sha256":
hasher = sha256.New()
case "sha384":
hasher = sha512.New384()
case "sha512":
hasher = sha512.New()
case "sha512224":
hasher = sha512.New512_224()
case "sha512256":
hasher = sha512.New512_256()
case "ripemd160":
hasher = ripemd160.New()
default:
fmt.Printf("Algorithm %s not implemented yet\n", algorithm)
os.Exit(1)
}
for _, fn := range files {
hasher.Reset()
file, err := os.Open(fn)
if err != nil {
panic(err.Error())
}
if _, err := io.Copy(hasher, file); err != nil {
panic(err.Error())
}
fmt.Printf("%x %s\n", hasher.Sum(nil), fn)
file.Close()
}
}
func Ripemd160(data []byte) []byte {
ripemd := ripemd160.New()
ripemd.Write(data)
return ripemd.Sum(nil)
}
// GetHash creates hash of redeem script.
func (rs *RedeemScript) getHash() []byte {
shadPublicKeyBytes := sha256.Sum256(rs.Script)
ripeHash := ripemd160.New()
ripeHash.Write(shadPublicKeyBytes[:])
return ripeHash.Sum(nil)
}
// Calculate a unique 200-bits long hash of the address
func (a *StealthAddr) Hash160() []byte {
rim := ripemd160.New()
rim.Write(a.BytesNoPrefix())
return rim.Sum(nil)
}