def _verify(pubkey, signature, txhash, tx_b, prefix):
try:
verify(msg=tx_b, sign=signature, pk=pubkey)
address = get_address(pk=pubkey, prefix=prefix)
return pubkey, signature, txhash, address
except ValueError:
error = "Failed verify tx {}".format(hexlify(txhash).decode())
logging.debug(error)
except BaseException as e:
error = 'Signature verification error. "{}"'.format(e)
logging.error(error)
return pubkey, signature, txhash, error
def check_sign(self):
d = {
'version': self.version,
'coin_id': self.coin_id,
'name': self.name,
'unit': self.unit,
'digit': self.digit,
'amount': self.amount,
'additional_issue': self.additional_issue,
'owner': self.owner
}
binary = bjson.dumps(d, compress=False)
try:
verify(msg=binary, sign=self.sign, pk=self.owner)
except ValueError:
raise MintCoinError('signature verification failed.')
def test():
PUB = '80d2ae0d784d28db38b5b85fd77e190981cea6f4328235ec173a90c2853c0761'
PRI = '6a858fb93e0202fa62f894e591478caa23b06f90471e7976c30fb95efda4b312'
MSG = "how silent! the cicada's voice soaks into the rocks. " \
"Up here, a stillness the sound of the cicadas seeps into the crags.".encode()
address = get_address(pk=PUB, main_net=True)
print(address)
sign_raw = sign(msg=MSG, sk=PRI, pk=PUB)
print(sign_raw)
# raised ValueError if verification filed
verify(msg=MSG, sign=sign_raw, pk=PUB)
PUB2 = '28e8469422106f406051a24f2ea6402bac6f1977cf7e02eb3bf8c11d4070157a'
PRI2 = '3c60f29c84b63c76ca8e3f1068ad328285ae8d5af2a95aa99ceb83d327dfb97e'
print("pub2 address", get_address(pk=PUB2, main_net=True))
enc = encrypt(sk=PRI, pk=PUB2, msg=MSG)
print(enc)
dec = decrypt(sk=PRI2, pk=PUB, enc=enc)
print(dec)
import os
from time import time
from nem_ed25519.signature import sign, verify
import cProfile
sk = '78f8932df54d22319a16dc4940c269205ae0946f98d38ef30aea488a47426153'
pk = '77041bfb4b6afebc31aaab7b02d68e577fe069524b3c661c804b42ef381f717b'
ck = 'NBOGOGSENUPBFMAPTGHVI4UIAQPVSNKJLWUVHBED'
COUNT = 300
start = time()
pr = cProfile.Profile()
sign_list = list()
pr.enable()
for i in range(COUNT):
msg = os.urandom(i + 1)
signature = sign(msg, sk, pk)
sign_list.append((msg, signature))
# pr.disable()
for msg, signature in sign_list:
verify(msg, signature, pk)
pr.disable()
print(round((time() - start) * 1000 / COUNT, 3), 'mS/sign&verify')
pr.print_stats()
# before 3.85 mS/sign&verify
def verify(msg, sign, pk):
try:
signature.verify(msg, sign, pk)
return True
except ValueError:
return False