def verify_signature(self, vk: VerifyingKey): try: vk.verify(bytes.fromhex(self.signature), self.display().encode("utf-8")) return True except BadSignatureError: return False
def verify_original_data(self, verifier: VerifyingKey) -> bool: """ original_dataをVerify :param verifier: :return: """ #print(self.original_data_with_signature) #print(self.signature) return verifier.verify(self.signature, self.original_data, hashlib.sha256, sigdecode=sigdecode_der)
def verify( verifying_key: VerifyingKey, message_digest_bytes: bytes, signature_bytes: bytes, ) -> bool: return verifying_key.verify( signature_bytes, message_digest_bytes, hashfunc=IdentityHash, sigdecode=sigdecode_der, )
def verify_signature(public_key: ecdsa.VerifyingKey, signature_base64: str, message: str): """ Verify the given bas64-encoded signature with the base64-encoded public key and serialized message. The message should not contain any whitespaces. Raise ValidationError if unsuccessful. """ signature = base64.b64decode(signature_base64) msg_bytes = bytearray(message, "utf-8") return public_key.verify(signature, msg_bytes, hashfunc=hashlib.sha256)
def verify(cls, encoded, key: VerifyingKey, external_aad: bytes): decoded = loads(encoded) tag = decoded.tag (protected, unprotected, payload, signature) = decoded.value sign_structure = Signature1Message.sign_structure( "Signature1", protected, payload, external_aad) to_verify = dumps(sign_structure) if not key.verify(signature, to_verify, hashlib.sha256, sigdecode=util.sigdecode_string): raise SignatureVerificationFailed() return payload
def verify_message(public_key: ecdsa.VerifyingKey, message: str, _signature: str) -> bool: """verifies message and signature against public_key""" signature = binascii.unhexlify(_signature) return public_key.verify(signature, bytes(message, "utf-8"))