DES 加密 系统的 C 语言 实现的源代码

软件有限次加密，对软件的使用次数进行限制-finite encryption software, software usage restrictions

用于GSM加密的A5算法实现- Uses in GSM the encryption A5 algorithm to realize

信息学竞赛中常用的算法总结: 串匹配的高效算法-KMP 公开密钥体系之RSA算法 双向广度搜索 图论算法 -Informatics algorithms commonly used race Summary: Efficient String Matching Algorithm-KMP system RSA public key algorithm for bi-directional breadth of the search algorithm of graph theory

DES算法的标准-DES algorithm standard

非常简单却实用的一款通讯簿,主要特色是支持密码保护功能,可以实现联系人信息的保密.-very simple but practical one Address Book, the main feature is support password protection function, Contact information can achieve confidentiality.

实现维吉尼亚密码，用键盘接收明文和密钥，屏幕打印密文。-The achievement of Virginia password, use the keyboard to receive explicit and key, screen printing ciphertext.

DES 加密系统的 C 语言源代码，实现了简单的DES加密系统。-DES Encryption System C language source code, a simple realization DES encryption system.

MD5加密算法得VisualC＋＋6.0源程序，直接调用里面的函数即可-MD5 Encryption Algorithm in Visual C++ 6.0 source code, direct calls to the function can be

基于混沌的加密算法VC++测试源码，给大家做个参考-Chaos-based encryption algorithm VC++ Test source code for everyone to be a reference

如何实现DES算法-how DES algorithm