pubkey.py 文件源码

def decrypt(self, ciphertext):
        """Decrypt a piece of data. 

        :Parameter ciphertext: The piece of data to decrypt.
        :Type ciphertext: byte string, long or a 2-item tuple as returned by `encrypt`

        :Return: A byte string if ciphertext was a byte string or a tuple
         of byte strings. A long otherwise.
        """
        wasString=0
        if not isinstance(ciphertext, types.TupleType):
            ciphertext=(ciphertext,)
        if isinstance(ciphertext[0], types.StringType):
            ciphertext=tuple(map(bytes_to_long, ciphertext)) ; wasString=1
        plaintext=self._decrypt(ciphertext)
        if wasString: return long_to_bytes(plaintext)
        else: return plaintext