根据A5原理，程序生成了大小250KB左右的A5密钥流文件。用户可自行设定三个LFSR的结构，以及三个LFSR的初始值。-According to the principle of A5, the program generate an A5 key stream file，whose size is about 250KB . Users can set the structure of three LFSR, and three LFSR s initial value.

A5-1算法实现，利用数据库实现A5-1算法的流程-A5-1 algorithm