DES algorithm is a data encryption standard of ANSI, which is used widely in computer network and data communication. In general, the implementation of DES algorithm is suitable for hardware or assembly language.

• DES算法是一种数据加密标准,在数据通信和计算机网络中应用很广,但大多是用硬件和汇编语言实现,用高级的通用程序实现较复杂且速度不理想。