def test_get_verified_data(self):
sign_key = SigningKey.from_credentials("alice", "password", ScryptParams())
message = "Hello world with utf-8 chars like éàè !"
# Sign the message, the signed string is the message itself plus the
# signature
signed_message = sign_key.sign(bytes(message, 'utf-8')) # type: bytes
# Verify the message!
verifier = VerifyingKey(sign_key.pubkey)
verified_message = verifier.get_verified_data(signed_message)
self.assertEqual(message, verified_message.decode('utf-8'))
from duniterpy.key import VerifyingKey
if __name__ == '__main__':
if len(sys.argv) < 2:
print("""
Usage:
python verify_signed_message.py SIGNED_MESSAGE_FILEPATH
""")
# capture signed message filepath argument
signed_message_path = sys.argv[1]
# ask public key of the signer
pubkeyBase58 = input("Enter public key of the message issuer: ")
# open signed message file
with open(signed_message_path, 'rb') as file_handler:
signed_message = file_handler.read()
# Verify the message!
verifier = VerifyingKey(pubkeyBase58)
try:
message = verifier.get_verified_data(signed_message).decode('utf-8')
print("Signature valid for this message:")
except ValueError as error:
message = str(error)
print(message)