应用密码学：协议、算法与C源程序。 介绍了密码学初级知识，以及各种密码学先进的算法，协议，包含部分用C语言算法的实现的程序-Applied Cryptography: Protocols, Algorithms and C source code. Introduced the primary knowledge of cryptography, as well as a variety of advanced cryptographic algorithms, protocols, inc