crypto.py 文件源码

def verify(self, public_key, message, signature):
        """ECDSA verify signature.

        :param public_key: Signing public key
        :param message: Origin message
        :param signature: Signature of message
        :Returns: verify result boolean, True means valid
        """
        if not (self._check_malleability(signature)):
            return False
        verifier = public_key.verifier(signature,
                                       ec.ECDSA(self.sign_hash_algorithm))
        verifier.update(message)
        try:
            verifier.verify()
        except InvalidSignature:
            return False
        except Exception as e:
            raise e
        return True