该例程实现了一个简单的16轮分组加密算法，我在嵌入式Linux系统开发时候开发并使用的。-the routines to achieve a simple 16 block cipher algorithm, I embedded Linux system development time for the development and use.

BASE64编码的C实现，很精简，可以直接内嵌入工程-BASE64-coded C implementation, it is streamlined and can be directly embedded engineering