极好的加密程序，DES的接班人，源码是DEHLPHI的Pascal，编译后可直接运行...

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加密算法的增强版key的长度比以前多--Enhancement version of DES encryption algorithm in which key is much longer than before

elgamal的源程序-ElGamal

用C编写的100行DES加密算法，请参考-C prepared with 100 lines DES encryption algorithm, please refer to

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). ]:

rsa的公钥计算，已知道密钥为5的情况下-rsa public key calculation, already know the key to the case of 5

天气雷达回波产生 这个代码是自己编的 我用过没什么问题-Weather radar echo generated for this code is its own no problem, I used

按照分组密码运行的CBC方式，将其中的DES算法置换为S-DES，分组长度为8BIT，初始矢量V1分别设置为00H,FFH,及任意8BIT无符号整数，实现该加密/解密模型-running CBC, which will be the replacement for the DES algorithm S-DES, a length of 8BIT initial vector V1 were set to 00H, FFH, and the arbitrary 8BIT unsigned integers, the achievement of this encryption/decryption model

IBM的MARS加密算法-IBMMARS

rijndael算法在vc源码-vc FOSS