rsakey.py 文件源码

def verify_ssh_sig(self, data, msg):
        if msg.get_text() != 'ssh-rsa':
            return False
        key = self.key
        if isinstance(key, rsa.RSAPrivateKey):
            key = key.public_key()

        verifier = key.verifier(
            signature=msg.get_binary(),
            padding=padding.PKCS1v15(),
            algorithm=hashes.SHA1(),
        )
        verifier.update(data)
        try:
            verifier.verify()
        except InvalidSignature:
            return False
        else:
            return True