这个是数据加密标准的VC算法

针对JPEG2000格式的图像，利用了Arnold变换对图像的小波系数进行加密，对初步研究JPEG2000图像加密算法的有试用价值-JPEG2000 image format for the use of the Arnold transform the image of the wavelet coefficients encryption, preliminary study of the JPEG2000 image encryption algorithms have tested the value of

这是密码学的一个常用算法rifndael算法，unix环境下的，对于学习密码学很有帮助啊。-This is a cryptographic algorithm used rifndael algorithm, unix environment. learning cryptography helpful ah.

RSA加密算法在VB中的实现.可以更好的了解RSA加密算法.-RSA encryption algorithm in VB realized. To better understand the RSA encryption algorithm.

一种国际上通用的加密算法―DES算法的原理-a common encryption algorithms-DES algorithm Principle

在各种安全机制中；

des加密算法,用于IP通讯方面的,用VHDL写成的源程序-des encryption algorithm used for IP communications.the source codes are written in VHDL

Delphi写的base64算法程序--Base64 algorithm program writed by Delphi

笔者长期从事移动通信系统的无线链路调制与解调、物理层实现方面的工作。在移动通信GSM系统中，我们进行语音或者业务信道解调时，都会遇到CRC的求解。通常在硬件DSP实现时，特别是40位CRC求解时候，由于生成多项式有41项，DSP最大一次能处理40位，所以使用单个寄存器会遇到一些困难，那么以下这个程序将会解决这一困难（这是针对定点DSP、C55xx的编程实现方法）。-The author has long been engaged in mobile communication system modulation and demodulation of wireless links, the physical layer to achieve work. GSM in the mobile communications system, we have a voice or channel demodulation operations, it will encounter the solution of CRC. DSP hardware usually realize, especially when solving the 40 CRC, as the generation polynomial has 41, DSP can handle the largest 40, so using a single register may encounter some difficulties, then following this process will solve this One difficulty (which is for fixed-point DSP, C55xx realize programming methods).

删除系统某存储区中的证书， 代码参考msdn-removal system of a storage area of the certificate, a code reference VARIANT

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.