DES密码的实验报告，包括流程图以及简要说明-DES password experimental report, including the flow chart, as well as a brief descr iption of

详细介绍DES加密算法的原理和详细步骤，并以流程图的形式给予解释-Described in detail the principle and the detailed steps of the DES encryption algorithm, and to give an explanation, in flowchart form

DES加密及解密算法程序源代码，还有算法实现的流程图，希望有用-DES encryption and decryption algorithm source code