algorithms.py 文件源码

def sign(self, msg, key):
            signer = key.signer(
                padding.PSS(
                    mgf=padding.MGF1(self.hash_alg()),
                    salt_length=self.hash_alg.digest_size
                ),
                self.hash_alg()
            )

            signer.update(msg)
            return signer.finalize()