algorithms.py 文件源码

def verify(self, msg, key, sig):
            try:
                der_sig = raw_to_der_signature(sig, key.curve)
            except ValueError:
                return False

            verifier = key.verifier(der_sig, ec.ECDSA(self.hash_alg()))

            verifier.update(msg)

            try:
                verifier.verify()
                return True
            except InvalidSignature:
                return False