是目前我见过的最好的DES算法程序，可以作为数据加密和认证使用。...

pkcs#11 header files

linux/unix系统下usbkey通讯的例程，pcsc-lite1.2-linux/unix systems usbkey communications routines, pcsc- lite1.2

通过miracl大数库生成rsa密钥，并通过diffie-hellman算法交换密钥-Miracl large numbers through the database to generate rsa key, and algorithm diffie-hellman key exchange

simple encryption project for my own algorithm. note: for arabic letters, but you can change letter from the data base.

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.

sample login method made in visual basic

。net反编译reflector.zip 是一个很好用的程序-. net decompile reflector.zip is a good procedure to use

数字证书注册和签发系统，利用JCA和JCE实现数字证书的注册，并提供一个密钥库管理以及私钥的存储和导出以及传输得安全机制-Digital certificate registration and issuance system, the use of JCA and JCE realize digital certificate registration, and provide a key database management, and private key storage and export, as well as a security mechanism for transmission

操作系统中读者写者问题拟操作系统里实现读者－写者问题的程序实例。用vc++编写，直接打开工程文件即可调试-OS readers to write to the problem of the operating system, achieving readers- who wrote the program examples. Vc with the preparation, direct project documents can be opened Debugging

Perl写的CA认证程序，用到了OpenSSL-Perl wrote CA certification procedures, using the OpenSSL