这个程序是MD5算法的C源代码，调试通过。可以直接应用，在网络通讯中有用。-the procedure is MD5 algorithm in C source code, debugging through. Can be directly applied in the network communications useful.

1,这是比较流行的DES算法代码. 2,特别是在通讯方面比较常用. 3,此代码可以在KEIL C环境下使用.-1, which is more popular in the DES algorithm code. 2, particularly in the more commonly used communications. 3. this code can KEIL C environment.

RC5-RC6 Base加密-解密源码 ,用途是：网络通讯加密。两种版本- This is the RC5-RC6 Base encryption-decryption source code which can be used in net communication encryption.IT has two editon.