rsa.py 文件源码

def signing(cls, message, private_key, algorithm='sha1'):
        """signing."""
        if not isinstance(message, bytes):
            message = message.encode()

        algorithm = cls.ALGORITHM_DICT.get(algorithm)

        signer = private_key.signer(
            padding.PSS(
                mgf=padding.MGF1(algorithm),
                salt_length=padding.PSS.MAX_LENGTH
            ),
            algorithm
        )

        signer.update(message)
        return signer.finalize()