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

一个跨平台的CA系统 实现了数字证书的制作、SSL安全通讯、加解密操作等功能-a cross-platform system for the CA digital certificate production, SSL communications, encryption and operating functions

Some operating systems support more than one type of hash. In fact, sometimes the standard DES-based algorithm is replaced by an MD5-based algorithm. The hash type is triggered by the salt argument. Prior to 5.3, PHP would determine the available alg