这是MD5算法的 Asm 实现，代码效率高，

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

Arithmetic for integers of almost unlimited size for C and C++. Developed and copyrighted by Ralf Dentzer-Arithmetic for integers of almost unlimit ed size for C and C. Developed and copyrighted by Ralf Dentzer

RSA文件加密算法实现，特别好，请大家试用-RSA File encryption algorithm, are particularly good, please try

COBRA cipher algorithm example.

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

大数运算类,用于RSA算法,支持4096位二进制的数学运算-category for the RSA algorithm, support 4096 binary arithmetic

des加密算法的java实现-The implement of DES encryption algorithm for JAVA

关于数字水印嵌入时处理水印的源代码，采用猫脸变换对水印图像进行预处理 -Be dealt with on the digital watermark embedding watermark source code, using a cat face on the watermark image pre-processing transformation

古典密码算法中的单表代换密码算法、移位密码算法、Vigenere密码算法。算法比较简单，用命令的方式。可以随机生成明文和密钥。-Classical cryptographic algorithm in a single table substitution cipher, transposition cipher, Vigenere cipher. Algorithm is relatively simple, way to use the command. Can be randomly generated and the key explicitly.

C#程序来实现生成多项式的循环冗余校验,通过修改能校验多项式-C# program to implement the cyclic redundancy check generator polynomial, by modifying the polynomial can check