RC4 is a secure and very fast 8-bit stream cipher/psuedo-random number generator, with a 2^1700 interval -RC4 is a secure and very fast 8-bit stream cipher/psuedo-random number generator, with a 2^1700 interval

硬盘性能测试小工具, 性能测试的基本功能都实现了，大概有1700 行，可以下载下来研究下-a tool for disk benchmark