import sys
import hmac
+from util import print_error
try:
import ecdsa
except ImportError:
sys.exit("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'")
-try:
- import pbkdf2
-except ImportError:
- sys.exit("Error: pbkdf2 does not seem to be installed. Try 'sudo pip install pbkdf2'")
-
-
-
-from util import print_error
+################################## transactions
+MIN_RELAY_TX_FEE = 1000
# AES encryption
return '4d' + int_to_hex(i,2)
else:
return '4e' + int_to_hex(i,4)
-
+
def sha256(x):
is_hex = (len(seed) == 32)
except Exception:
is_hex = False
-
+
return is_hex or (uses_electrum_words and len(words) == 12)
'022100' + \
'%064x' % _r + \
'020101a144034200'
-
+
return key.decode('hex') + i2o_ECPublicKey(pkey.pubkey, compressed)
-
+
def i2o_ECPublicKey(pubkey, compressed=False):
# public keys are 65 bytes long (520 bits)
# 0x04 + 32-byte X-coordinate + 32-byte Y-coordinate
key = '04' + \
'%064x' % pubkey.point.x() + \
'%064x' % pubkey.point.y()
-
+
return key.decode('hex')
-
+
# end pywallet openssl private key implementation
-
-
-############ functions from pywallet #####################
+
+
+############ functions from pywallet #####################
def hash_160(public_key):
try:
def is_private_key(key):
try:
- k = ASecretToSecret(key)
+ k = ASecretToSecret(key)
return k is not False
except:
return False
@classmethod
def encrypt_message(self, message, pubkey):
-
+
pk = ser_to_point(pubkey)
if not ecdsa.ecdsa.point_is_valid(generator_secp256k1, pk.x(), pk.y()):
raise Exception('invalid pubkey')
-
+
ephemeral_exponent = number_to_string(ecdsa.util.randrange(pow(2,256)), generator_secp256k1.order())
ephemeral = EC_KEY(ephemeral_exponent)
-
+
ecdh_key = (pk * ephemeral.privkey.secret_multiplier).x()
ecdh_key = ('%064x' % ecdh_key).decode('hex')
key = hashlib.sha512(ecdh_key).digest()
key_e, key_m = key[:32], key[32:]
-
+
iv_ciphertext = aes.encryptData(key_e, message)
ephemeral_pubkey = ephemeral.get_public_key(compressed=True).decode('hex')
def decrypt_message(self, encrypted):
-
+
encrypted = base64.b64decode(encrypted)
-
+
if len(encrypted) < 85:
raise Exception('invalid ciphertext: length')
-
+
magic = encrypted[:4]
ephemeral_pubkey = encrypted[4:37]
iv_ciphertext = encrypted[37:-32]
mac = encrypted[-32:]
-
+
if magic != 'BIE1':
raise Exception('invalid ciphertext: invalid magic bytes')
-
+
try:
ephemeral_pubkey = ser_to_point(ephemeral_pubkey)
except AssertionError, e:
return k_n, c_n
# Child public key derivation function (from public key only)
-# K = master public key
+# K = master public key
# c = master chain code
# n = index of key we want to derive
-# This function allows us to find the nth public key, as long as n is
+# This function allows us to find the nth public key, as long as n is
# non-negative. If n is negative, we need the master private key to find it.
def CKD_pub(cK, c, n):
if n & BIP32_PRIME: raise
def deserialize_xkey(xkey):
- xkey = DecodeBase58Check(xkey)
+ xkey = DecodeBase58Check(xkey)
assert len(xkey) == 78
assert xkey[0:4].encode('hex') in ["0488ade4", "0488b21e"]
depth = ord(xkey[4])
def bip32_root(seed):
import hmac
- seed = seed.decode('hex')
+ seed = seed.decode('hex')
I = hmac.new("Bitcoin seed", seed, hashlib.sha512).digest()
master_k = I[0:32]
master_c = I[32:]
-################################## transactions
-
-MIN_RELAY_TX_FEE = 1000
-
-
-
-import unittest
-class Test_bitcoin(unittest.TestCase):
-
- def test_crypto(self):
- for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
- self.do_test_crypto(message)
-
- def do_test_crypto(self, message):
- G = generator_secp256k1
- _r = G.order()
- pvk = ecdsa.util.randrange( pow(2,256) ) %_r
-
- Pub = pvk*G
- pubkey_c = point_to_ser(Pub,True)
- pubkey_u = point_to_ser(Pub,False)
- addr_c = public_key_to_bc_address(pubkey_c)
- addr_u = public_key_to_bc_address(pubkey_u)
-
- #print "Private key ", '%064x'%pvk
- eck = EC_KEY(number_to_string(pvk,_r))
-
- #print "Compressed public key ", pubkey_c.encode('hex')
- enc = EC_KEY.encrypt_message(message, pubkey_c)
- dec = eck.decrypt_message(enc)
- assert dec == message
-
- #print "Uncompressed public key", pubkey_u.encode('hex')
- enc2 = EC_KEY.encrypt_message(message, pubkey_u)
- dec2 = eck.decrypt_message(enc)
- assert dec2 == message
-
- signature = eck.sign_message(message, True, addr_c)
- #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")
- assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
- assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
-
- 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):
- xprv, xpub = bip32_root(seed)
- assert sequence[0:2] == "m/"
- path = 'm'
- sequence = sequence[2:]
- for n in sequence.split('/'):
- child_path = path + '/' + n
- if n[-1] != "'":
- xpub2 = bip32_public_derivation(xpub, path, child_path)
- xprv, xpub = bip32_private_derivation(xprv, path, child_path)
- if n[-1] != "'":
- assert xpub == xpub2
- path = child_path
-
- return xpub, xprv
-
-
- def test_aes(self):
- s = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
- self.do_test_aes(s, s)
-
- def do_test_aes(self, s, p):
- enc = pw_encode(s, p)
- dec = pw_decode(enc, p)
- assert dec == s
-
-if __name__ == "__main__":
- unittest.main()
--- /dev/null
+import unittest
+import sys
+from ecdsa.util import number_to_string
+
+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)
+
+try:
+ import ecdsa
+except ImportError:
+ sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
+
+class Test_bitcoin(unittest.TestCase):
+
+ def test_crypto(self):
+ for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
+ self.do_test_crypto(message)
+
+ def do_test_crypto(self, message):
+ G = generator_secp256k1
+ _r = G.order()
+ pvk = ecdsa.util.randrange( pow(2,256) ) %_r
+
+ Pub = pvk*G
+ pubkey_c = point_to_ser(Pub,True)
+ #pubkey_u = point_to_ser(Pub,False)
+ addr_c = public_key_to_bc_address(pubkey_c)
+ #addr_u = public_key_to_bc_address(pubkey_u)
+
+ #print "Private key ", '%064x'%pvk
+ eck = EC_KEY(number_to_string(pvk,_r))
+
+ #print "Compressed public key ", pubkey_c.encode('hex')
+ enc = EC_KEY.encrypt_message(message, pubkey_c)
+ dec = eck.decrypt_message(enc)
+ assert dec == message
+
+ #print "Uncompressed public key", pubkey_u.encode('hex')
+ #enc2 = EC_KEY.encrypt_message(message, pubkey_u)
+ dec2 = eck.decrypt_message(enc)
+ assert dec2 == message
+
+ signature = eck.sign_message(message, True, addr_c)
+ #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")
+ assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
+ assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
+
+ 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):
+ xprv, xpub = bip32_root(seed)
+ assert sequence[0:2] == "m/"
+ path = 'm'
+ sequence = sequence[2:]
+ for n in sequence.split('/'):
+ child_path = path + '/' + n
+ if n[-1] != "'":
+ xpub2 = bip32_public_derivation(xpub, path, child_path)
+ xprv, xpub = bip32_private_derivation(xprv, path, child_path)
+ if n[-1] != "'":
+ assert xpub == xpub2
+ path = child_path
+
+ return xpub, xprv
+
+
+ def test_aes(self):
+ s = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
+ self.do_test_aes(s, s)
+
+ def do_test_aes(self, s, p):
+ enc = pw_encode(s, p)
+ dec = pw_decode(enc, p)
+ assert dec == s
git://git.novaco.in / electrum-nvc.git / commitdiff