孙子定理和算法的逆模型

VPN拨号程序源码(from sourceforge.net)-VPN digit dialing procedure source code (from sourceforge.net)

代码详细的将DES算法的加密过程描述详细，通过MFC进行界面化操作，整体界面良好，具有很强的可读性和很好的独立性，突出了C++的封装型和继承性的有点，值得参考。。。。。。。。。。。。。。。。

DES( Data Encryption Standard)算法，于1977年得到美国政府的正式许可，是一种用56位密钥来加密64位数据的方法。DES算法以被应用于许多需要安全加密的场合。（如：UNIX的密码算法就是以DES算法为基础的）。-DES (Data Encryption Standard) algorithm, in 1977 the United States government"s official permission, is a key 56 to 64-bit data encryption methods. DES algorithm to be applied to many needs security encryption occasions. (Eg : UNIX password algorithm is to DES algorithm-based).

CRC码产生器与校验器程序 Features ： Executes in one clock cycle per data word Any polynomial from 4 to 32 bits Any data width from 1 to 256 bits Any initialization value Synchronous or asynchronous reset-CRC code generator and calibration program Features: Executes in one clock cycle per data word Any polynomial from 4 to 32 bits Any data width from 1 to 256 bits Any initialization value Synchronous or asynchronous reset

3DES encryption utility

基于LSB的信息隐藏技术――MFC――编译已经通过运行正常-LSB-based Information Hiding- MFC- has been compiled by running the normal

Rijndael,实现AES的算法，附带了源代码和flash演示文件，讲解的很详细！-Rijndael, the AES algorithm realize, comes with source code and the flash presentation to explain the great detail!

对于这个问题的实现、刚刚给过一个程序，突然想起另外一种简单一些的方法，一并给出[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）。]： -For the realization of this issue, just to have a program, suddenly reminded of another simpler way to be given [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). ]:

md5的加密函数 iis下运行； 用法: 1：页面包含该文件 2：调用方法MD5(sMessage,stype) 例dim md_=md5("admin"，32) *注：最高32位。-md5 encryption function running under iis Usage: 1: page 2 of the document contains: call method MD5 (sMessage, stype) were dim md_ = md5 ( " admin" , 32)* Note: maximum 32.

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