mod_ssl

文件加密，用汇编编写的，文件加密，用汇编编写的 -File encryption, using the compilation prepared, file encryption, using the compilation prepared by

Internet X.509 公钥基础设施--证书和CRL简介-Internet X.509 Public Key Infrastructure-- Introduction certificate and CRL

电子签章的小部分实现，很多不足的地方，希望大家给我建议-Electronic Signature of the small part of the realization that many deficiencies in the hope that I suggest to everyone

简单的实现MD5加密算法，适用于多种平台-simple realization of the MD5 algorithm, applicable to a variety of platforms

sliding window protocol

C 语言编写的DES加密算法,可以用的,我自己测试过,欢迎大家下载-C language prepared by the DES encryption algorithm, we can use, I tested and you are welcome to download

实现移位密码（扩展凯撒密码），用键盘接收明文和密钥，屏幕打印密文。 -Achieve translocation password (Extension Caesar password), use the keyboard to receive explicit and key, screen printing ciphertext.

sha1标准加密，160位摘要信息，最大可对2^64bits的信息摘要。-sha1 degist 160bits,max 2^26 bits message. it is fast.It is correct! I code it myself.

实现DES加密算法，非常小。直接可以用。-DES encryption algorithm to achieve, is very small. Can be used directly.