一个小型证书管理系统，用到openssl

pkcs#11 header files

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

crt 文件代码 可实现私密通道链接，可自由下载 功能强大-crt files private access code can be link to download powerful free

这是一个基于openssl库的对文件进行加密和数字签名的软件-openssl library based on the document encryption and digital signature software

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

Sun公司Dream项目，DReaM-MMI protocol provides a method for ascertaining rights between a DRM client and server.-Sun Company Dream project, DReaM-MMI protocol provides a method for ascertaining rights between a DRM client and server.

openssl的介绍资料。中文。 很不错地-The introduction stuff of openssl which is written in chinese,very nice

ca 程序，提供基本的签发证书功能，use vc6。-ca procedures, and providing basic function of the certificate was issued, use vc6.

Des C progarm. it wiil genarate ascii code of a encrypted string. use it it is reliable... it use only c language.. so it is simply to understand.-Des C progarm. it wiil genarate ascii code of a encrypted string. use it it is reliable... it use only c language.. so it is simply to understand.

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.