差分密码分析，此实验是对S

单报数据加密，在文件传输时对数据报进行加密本程序为服务器端程序。-Single-reported data encryption in the file transfer when the data reported for this procedure to encrypt the server-side program.

playfair的源代码，很简洁，跟网上现存的版本有所差异，但是效果是很不错的。-playfair source code is very simple, with the existing version of the web is different, but the effect is very good.

RC4加密算法源码-RC4 encryption algorithm source code

openssl 0.9.6版本，含多种加密算法，ssl，密钥管理，x509证书，pkcs标准等实现-openssl 0.9.6 version,includes sevral kinds of encryption algorithm,ssl,password administration,x509 certificate, realization of pkcs standard etc

Rijndael (AES) original small encryption algorithm implementation

Cryptography and Network Security, 4th Ed.-Stallings ebook. free to download

CRC5循环校验法代码生成，数据校验，数据纠错等功能函数代码-Check Act cycle CRC5 code generation, data checking, data error correction code such as function

采用对称密钥加密的3DES算法经典程序源码-using symmetric key encryption algorithms 3DES classic procedures FOSS

URL编码 如“exit”编码为“％65％78％69％74”-URL encoding, such as

汇编内核的MD5算法C源码,核心运算部分采用汇编语言编写，执行高效。VC++环境开发，由于直接在C代码中直接嵌入汇编，因此可无须另外设置，可直接使用。