import hmac
from util import print_error
+from version import SEED_PREFIX
try:
import ecdsa
EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
+
def pw_encode(s, password):
if password:
secret = Hash(password)
else:
return s
+
def pw_decode(s, password):
if password is not None:
secret = Hash(password)
return s
-
-
-
def rev_hex(s):
return s.decode('hex')[::-1].encode('hex')
+
def int_to_hex(i, length=1):
s = hex(i)[2:].rstrip('L')
s = "0"*(2*length - len(s)) + s
return rev_hex(s)
+
def var_int(i):
# https://en.bitcoin.it/wiki/Protocol_specification#Variable_length_integer
if i<0xfd:
else:
return "ff"+int_to_hex(i,8)
+
def op_push(i):
if i<0x4c:
return int_to_hex(i)
return '4e' + int_to_hex(i,4)
-
def sha256(x):
return hashlib.sha256(x).digest()
+
def Hash(x):
if type(x) is unicode: x=x.encode('utf-8')
return sha256(sha256(x))
+
hash_encode = lambda x: x[::-1].encode('hex')
hash_decode = lambda x: x.decode('hex')[::-1]
hmac_sha_512 = lambda x,y: hmac.new(x, y, hashlib.sha512).digest()
+
def mnemonic_to_seed(mnemonic, passphrase):
from pbkdf2 import PBKDF2
import hmac
PBKDF2_ROUNDS = 2048
return PBKDF2(mnemonic, 'mnemonic' + passphrase, iterations = PBKDF2_ROUNDS, macmodule = hmac, digestmodule = hashlib.sha512).read(64)
-from version import SEED_PREFIX
+
is_new_seed = lambda x: hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')[0:2].startswith(SEED_PREFIX)
def is_old_seed(seed):
__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
__b58base = len(__b58chars)
+
def b58encode(v):
""" encode v, which is a string of bytes, to base58."""
return (__b58chars[0]*nPad) + result
+
def b58decode(v, length):
""" decode v into a string of len bytes."""
long_value = 0L
hash = Hash(vchIn)
return b58encode(vchIn + hash[0:4])
+
def DecodeBase58Check(psz):
vchRet = b58decode(psz, None)
key = vchRet[0:-4]
else:
return key
+
def PrivKeyToSecret(privkey):
return privkey[9:9+32]
+
def SecretToASecret(secret, compressed=False, addrtype=0):
vchIn = chr((addrtype+128)&255) + secret
if compressed: vchIn += '\01'
b = b[0:32]
return EC_KEY(b)
+
def GetPubKey(pubkey, compressed=False):
return i2o_ECPublicKey(pubkey, compressed)
+
def GetPrivKey(pkey, compressed=False):
return i2d_ECPrivateKey(pkey, compressed)
+
def GetSecret(pkey):
return ('%064x' % pkey.secret).decode('hex')
+
def is_compressed(sec):
b = ASecretToSecret(sec)
return len(b) == 33
return EncodeBase58Check(xpub)
-
-
def bip32_private_key(sequence, k, chain):
for i in sequence:
k, chain = CKD_priv(k, chain, i)
return SecretToASecret(k, True)
-
-
-
-
-
from lib.bitcoin import (
generator_secp256k1, point_to_ser, public_key_to_bc_address, EC_KEY,
bip32_root, bip32_public_derivation, bip32_private_derivation, pw_encode,
- pw_decode)
+ pw_decode, Hash, public_key_from_private_key, address_from_private_key,
+ is_valid, is_private_key)
try:
import ecdsa
#print signature
EC_KEY.verify_message(addr_c, signature, message)
-
-
def test_bip32(self):
# see https://en.bitcoin.it/wiki/BIP_0032_TestVectors
- xpub, xprv = self.do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000")
+ xpub, xprv = self._do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000")
assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
- xpub, xprv = self.do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2")
+ xpub, xprv = self._do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2")
assert xpub == "xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt"
assert xprv == "xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j"
-
- def do_test_bip32(self, seed, sequence):
+ def _do_test_bip32(self, seed, sequence):
xprv, xpub = bip32_root(seed)
assert sequence[0:2] == "m/"
path = 'm'
return xpub, xprv
+ def test_aes_homomorphic(self):
+ """Make sure AES is homomorphic."""
+ payload = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
+ password = u'secret'
+ enc = pw_encode(payload, password)
+ dec = pw_decode(enc, password)
+ self.assertEqual(dec, payload)
+
+ def test_hash(self):
+ """Make sure the Hash function does sha256 twice"""
+ payload = u"test"
+ expected = '\x95MZI\xfdp\xd9\xb8\xbc\xdb5\xd2R&x)\x95\x7f~\xf7\xfalt\xf8\x84\x19\xbd\xc5\xe8"\t\xf4'
+
+ result = Hash(payload)
+ self.assertEqual(expected, result)
+
+
+class Test_keyImport(unittest.TestCase):
+ """ The keys used in this class are TEST keys from
+ https://en.bitcoin.it/wiki/BIP_0032_TestVectors"""
+
+ private_key = "L52XzL2cMkHxqxBXRyEpnPQZGUs3uKiL3R11XbAdHigRzDozKZeW"
+ public_key_hex = "0339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2"
+ main_address = "15mKKb2eos1hWa6tisdPwwDC1a5J1y9nma"
+
+ def test_public_key_from_private_key(self):
+ result = public_key_from_private_key(self.private_key)
+ self.assertEqual(self.public_key_hex, result)
+
+ def test_address_from_private_key(self):
+ result = address_from_private_key(self.private_key)
+ self.assertEqual(self.main_address, result)
- def test_aes(self):
- s = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
- self.do_test_aes(s, s)
+ def test_is_valid_address(self):
+ self.assertTrue(is_valid(self.main_address))
+ self.assertFalse(is_valid("not an address"))
- def do_test_aes(self, s, p):
- enc = pw_encode(s, p)
- dec = pw_decode(enc, p)
- assert dec == s
+ def test_is_private_key(self):
+ self.assertTrue(is_private_key(self.private_key))
+ self.assertFalse(is_private_key(self.public_key_hex))
git://git.novaco.in / electrum-nvc.git / commitdiff