c语言文件加密程序

idea加密算法源代码-The source code of IDEA encryption algorithm

vb写的DES源码，复制到Visual Basic 6.0 中即可使用。-vb source code written by DES, copy to the Visual Basic 6.0, can be used.

一个简单实现RC5加密算法的例子！仅供参考！-Realize a simple example of RC5 encryption algorithm! For reference purposes only!

说明：des算法的实现代码 */ 能够实现56位或56*n密钥的des算法，可以通过该程序提供的接 进行数据的加密，保证数据在传送过程的安全性-Description: des algorithm realize the code*/can be achieved 56 or 56* n keys des algorithm, can be provided through the program access data encryption to ensure data security during transmission of

此代码实现S-P密码的加密解密，在这个实验中用到了S盒和P盒随机发生器-this code to achieve S-P password encryption and decryption, in this experiment uses S boxes and boxes of random generator P

base64 算法，这是一个非常详细的编码和解码的过程-base64 algorithm, this is a very detailed process of encoding and decoding

凯撒加密，用java实现 非扩展算法，C=M*K，有加密和解密两步-Caesar encryption, using java to achieve non-expansion algorithm, C = M* K, have a two-step encryption and decryption

凸出扫描

IBE基于身份的加密系统的身份提取程序，使用VC6.0开发，即把身份转换成椭圆曲线上的点-IBE identity-based encryption system of the identity of extraction procedures, using VC6.0 development, namely, the identity into a point on the elliptic curve

3DES加密算法~~~~~~~ 密码学课程设计-3DES encryption algorithm ~~~~~~~ Cryptography Course Design