MSL.py 文件源码

def __sign(self, text):
        """
        Calculates the HMAC signature for the given
        text with the current sign key and SHA256

        :param text:
        :return: Base64 encoded signature
        """
        signature = HMAC.new(self.sign_key, text, SHA256).digest()
        return base64.standard_b64encode(signature)