crypto.py 文件源码

def verify(self, message, signature):

        # assume we're dealing with a base64 encoded signature
        signature = b64decode(signature.encode())

        message = self.ensure_bytes(message)

        # ensure we have a public key we can use use to verify
        if not self._public_key:
            raise Exception("Key object does not have public key defined, and thus cannot be used to verify.")

        return self._verify(message, signature)