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86 lines
3.3 KiB
86 lines
3.3 KiB
import unittest
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import sys
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from ecdsa.util import number_to_string
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from lib.bitcoin import (
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generator_secp256k1, point_to_ser, public_key_to_bc_address, EC_KEY,
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bip32_root, bip32_public_derivation, bip32_private_derivation, pw_encode,
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pw_decode)
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try:
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import ecdsa
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except ImportError:
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sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
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class Test_bitcoin(unittest.TestCase):
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def test_crypto(self):
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for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
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self.do_test_crypto(message)
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def do_test_crypto(self, message):
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G = generator_secp256k1
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_r = G.order()
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pvk = ecdsa.util.randrange( pow(2,256) ) %_r
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Pub = pvk*G
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pubkey_c = point_to_ser(Pub,True)
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#pubkey_u = point_to_ser(Pub,False)
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addr_c = public_key_to_bc_address(pubkey_c)
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#addr_u = public_key_to_bc_address(pubkey_u)
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#print "Private key ", '%064x'%pvk
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eck = EC_KEY(number_to_string(pvk,_r))
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#print "Compressed public key ", pubkey_c.encode('hex')
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enc = EC_KEY.encrypt_message(message, pubkey_c)
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dec = eck.decrypt_message(enc)
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assert dec == message
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#print "Uncompressed public key", pubkey_u.encode('hex')
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#enc2 = EC_KEY.encrypt_message(message, pubkey_u)
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dec2 = eck.decrypt_message(enc)
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assert dec2 == message
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signature = eck.sign_message(message, True, addr_c)
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#print signature
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EC_KEY.verify_message(addr_c, signature, message)
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def test_bip32(self):
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# see https://en.bitcoin.it/wiki/BIP_0032_TestVectors
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xpub, xprv = self.do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000")
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assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
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assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
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xpub, xprv = self.do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2")
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assert xpub == "xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt"
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assert xprv == "xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j"
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def do_test_bip32(self, seed, sequence):
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xprv, xpub = bip32_root(seed)
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assert sequence[0:2] == "m/"
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path = 'm'
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sequence = sequence[2:]
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for n in sequence.split('/'):
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child_path = path + '/' + n
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if n[-1] != "'":
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xpub2 = bip32_public_derivation(xpub, path, child_path)
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xprv, xpub = bip32_private_derivation(xprv, path, child_path)
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if n[-1] != "'":
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assert xpub == xpub2
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path = child_path
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return xpub, xprv
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def test_aes(self):
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s = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
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self.do_test_aes(s, s)
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def do_test_aes(self, s, p):
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enc = pw_encode(s, p)
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dec = pw_decode(enc, p)
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assert dec == s
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