auth.py 文件源码

def pack_data(self, buf):
        data = self.rnd_data(len(buf)) + buf
        data_len = len(data) + 8
        crc = binascii.crc32(struct.pack('>H', data_len)) & 0xFFFF
        data = struct.pack('<H', crc) + data
        data = struct.pack('>H', data_len) + data
        adler32 = zlib.adler32(data) & 0xFFFFFFFF
        data += struct.pack('<I', adler32)
        return data