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)