def time_verify(self):
message = '576b2c99564392ed50e36c80654224953fdf8b5259528a1a4342c19be2da9b133c44429ac2be4d5dd588ec28e97015c34db80b7e8d8915e023c2501acd3eafe0'
signature = b' S\xef\x14x\x06\xeb\xba\xc5\xf9\x0e\xac\x02pL\xbeLO;\x1d"$\xd7\xfc\x07\xfb\x9c\x08\xc5b^\x1e\xec\x19\xb1y\x11\np\xec(\xc9\xf3\xfd\x1f~\xe3\x99\xe8\xc98]\xd3\x951m${\x82\x0f[(\xa9\x90#'
pubkey = ecda.verify_message(message, signature)
signature = b' W\x83\xe5w\x8f\x07\x19EV\xba\x9d\x90\x9f\xfd \x81&\x0f\xa1L\xa00zK0\x08\xf78/\x9d\x0c\x06JFx[*Z\xfe\xd1F\x8d\x9f \x19\xad\xd9\xc9\xbf\xd3\x1br\xdd\x8e\x8ei\xf8\xd2\xf40\xad\xc6\x9c\xe5'
message = 'foo'
pubkey = ecda.verify_message(message, signature)
signature = b'\x1f9\xb6_\x85\xbdr7\\\xb2N\xfb~\x82\xb7E\x80\xf1M\xa4EP=\x8elJ\x1d[t\xab%v~a\xb7\xdbS\x86;~N\xd2!\xf1k=\xb6tMm-\xf1\xd9\xfc\xf3`\xbf\xd5)\x1b\xb3N\x92u/'
message = 'This is a short Message'
pubkey = ecda.verify_message(message, signature)
message = '1234567890'
signature = b' 7\x82\xe2\xad\xdc\xdb]~\xd6\xa8J\xdc\xa5\xf4\x13<i\xb9\xc0\xdcEc\x10\xd0)t\xc7^\xecw\x05 U\x91\x0f\xa2\xce\x04\xa1\xdb\xb0\nQ\xbd\xafP`\\\x8bb\x99\xcf\xe0;\x01*\xe9D]\xad\xd9l\x1f\x05'
pubkey = ecda.verify_message(message, signature)
def test_wrong_signature(self, module):
if module == "cryptography":
if not ecda.CRYPTOGRAPHY_AVAILABLE:
return
ecda.SECP256K1_MODULE = "cryptography"
elif module == "secp256k1":
if not ecda.SECP256K1_AVAILABLE:
return
ecda.SECP256K1_MODULE = "secp256k1"
pub_key = py23_bytes(repr(PrivateKey(wif).pubkey), "latin")
ecda.SECP256K1_MODULE = module
signature = ecda.sign_message("Foobar", wif)
pub_key_sig = ecda.verify_message("Foobar", signature)
self.assertEqual(hexlify(pub_key_sig), pub_key)
pub_key_sig2 = ecda.verify_message("Foobar2", signature)
self.assertTrue(hexlify(pub_key_sig2) != pub_key)
def verify(self, **kwargs):
""" Verify a message with an account's memo key
:param str account: (optional) the account that owns the bet
(defaults to ``default_account``)
:returns: True if the message is verified successfully
:raises InvalidMessageSignature: if the signature is not ok
"""
# Split message into its parts
parts = re.split("|".join(MESSAGE_SPLIT), self.message)
parts = [x for x in parts if x.strip()]
if not len(parts) > 2:
raise AssertionError("Incorrect number of message parts")
message = parts[0].strip()
signature = parts[2].strip()
# Parse the meta data
meta = dict(re.findall(r'(\S+)=(.*)', parts[1]))
# Ensure we have all the data in meta
if "account" not in meta:
raise AssertionError()
if "memokey" not in meta:
raise AssertionError()
if "block" not in meta:
raise AssertionError()
if "timestamp" not in meta:
raise AssertionError()
# Load account from blockchain
account = Account(meta.get("account"), crea_instance=self.crea)
# Test if memo key is the same as on the blockchain
if not account["memo_key"] == meta["memokey"]:
log.error("Memo Key of account {} on the Blockchain".format(
account["name"]) +
"differs from memo key in the message: {} != {}".format(
account["memo_key"], meta["memokey"]))
# Reformat message
message = SIGNED_MESSAGE_META.format(**locals())
# Verify Signature
pubkey = verify_message(message, unhexlify(signature))
# Verify pubky
pk = PublicKey(hexlify(pubkey).decode("ascii"))
if format(pk, self.crea.prefix) != meta["memokey"]:
raise InvalidMessageSignature
return True