def test_verify(self):
announce = MasternodeAnnounce.deserialize(raw_announce)
message = announce.serialize_for_sig()
pk = bitcoin.public_key_to_bc_address(
announce.collateral_key.decode('hex'), 139)
self.assertTrue(announce.verify())
raw = '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'
announce = MasternodeAnnounce.deserialize(raw)
msg = announce.serialize_for_sig()
pk = bitcoin.public_key_to_bc_address(
announce.collateral_key.decode('hex'), 139)
self.assertTrue(announce.verify(pk))
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 _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 generate_address(n):
# get_new_address
for_change = False
z = get_sequence(n, for_change)
dec_mpk = master_public_key.decode("hex")
# verifykey from_string
order = SECP256k1.order
assert len(dec_mpk) == SECP256k1.verifying_key_length
xs = dec_mpk[:SECP256k1.baselen]
ys = dec_mpk[SECP256k1.baselen:]
assert len(xs) == SECP256k1.baselen
assert len(ys) == SECP256k1.baselen
def string_to_number(string):
import binascii
return int(binascii.hexlify(string), 16)
x = string_to_number(xs)
y = string_to_number(ys)
mpk = ecdsa.VerifyingKey.from_string( master_public_key.decode('hex'), curve = SECP256k1 )
mpk_pubkey_point = Point(SECP256k1.curve, x, y, order)
pubkey_point = mpk_pubkey_point + z*SECP256k1.generator
public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
address = bitcoin.public_key_to_bc_address( '04'.decode('hex') + public_key2.to_string() )
return address
