auth_chain.py 文件源码

def init_from_bin_len(self, bin, length):
        bin += b'\0' * 16
        bin = struct.pack('<H', length) + bin[2:]
        self.v0 = struct.unpack('<Q', bin[:8])[0]
        self.v1 = struct.unpack('<Q', bin[8:16])[0]

        for i in range(4):
            self.next()