本代码实现的

DES加密算法的实现和演示，具体算法见网上，程序中有注释-DES encryption algorithm and demonstrate the achievement of the specific algorithm see online, proceedings have Notes

md5加密算法，实现加密的主函数test,还有md5.java实现加密过程-md5 encryption algorithm to achieve the main function of encryption

将公钥加密算法RSA应用于小型文件加密。将任意文件加密成文本的解决方案，使其使用更加灵活。-RSA public key encryption algorithm will be applied to small-scale file encryption. Arbitrary file encryption solution into the text to make it more flexible to use.

rsa加密算法的实现，很详细-rsa encryption algorithm to achieve great detail

使用vb的方法加密文本-use of encryption text

基于RSA的数字签名实现，用VC++模拟实现RSA数字签名过程。-RSA-based digital signature implementation, using VC++ simulation of the process of realization of RSA digital signature.

用C编程获取WPS的文件密码-C programming WPS access to the password file

ENIGMA3模拟WW II加密算法(含EXE文件)-ENIGMA3 simulation WW II Encryption Algorithm (including EXE)

Rijndael (AES) original small encryption algorithm implementation

MD5源代码，可制成exe文件或者dll文件。-MD5 source code, can be made exe file or dll file.