3 from ecdsa.util import number_to_string
5 from lib.bitcoin import (
6 generator_secp256k1, point_to_ser, public_key_to_bc_address, EC_KEY,
7 bip32_root, bip32_public_derivation, bip32_private_derivation, pw_encode,
13 sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
15 class Test_bitcoin(unittest.TestCase):
17 def test_crypto(self):
18 for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
19 self.do_test_crypto(message)
21 def do_test_crypto(self, message):
22 G = generator_secp256k1
24 pvk = ecdsa.util.randrange( pow(2,256) ) %_r
27 pubkey_c = point_to_ser(Pub,True)
28 #pubkey_u = point_to_ser(Pub,False)
29 addr_c = public_key_to_bc_address(pubkey_c)
30 #addr_u = public_key_to_bc_address(pubkey_u)
32 #print "Private key ", '%064x'%pvk
33 eck = EC_KEY(number_to_string(pvk,_r))
35 #print "Compressed public key ", pubkey_c.encode('hex')
36 enc = EC_KEY.encrypt_message(message, pubkey_c)
37 dec = eck.decrypt_message(enc)
40 #print "Uncompressed public key", pubkey_u.encode('hex')
41 #enc2 = EC_KEY.encrypt_message(message, pubkey_u)
42 dec2 = eck.decrypt_message(enc)
43 assert dec2 == message
45 signature = eck.sign_message(message, True, addr_c)
47 EC_KEY.verify_message(addr_c, signature, message)
52 # see https://en.bitcoin.it/wiki/BIP_0032_TestVectors
53 xpub, xprv = self.do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000")
54 assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
55 assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
57 xpub, xprv = self.do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2")
58 assert xpub == "xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt"
59 assert xprv == "xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j"
62 def do_test_bip32(self, seed, sequence):
63 xprv, xpub = bip32_root(seed)
64 assert sequence[0:2] == "m/"
66 sequence = sequence[2:]
67 for n in sequence.split('/'):
68 child_path = path + '/' + n
70 xpub2 = bip32_public_derivation(xpub, path, child_path)
71 xprv, xpub = bip32_private_derivation(xprv, path, child_path)
80 s = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
81 self.do_test_aes(s, s)
83 def do_test_aes(self, s, p):
85 dec = pw_decode(enc, p)