Des Algorithm is a standard symmetric encryption algorithm, and its essence is clear after a series of complex changes in law, the general in the circumstances I do not know the password should be difficult to restore it. Algorithm can be described in four parts: 1. To obtain 16 sub-keys 2. The initial replacement replacement function ip 3. Cryptographic function f 4. At the end of displacement function

密码学实验二_DES加解密算法实验
..............................\DES算法可执行程序.exe
..............................\DES算法程序JAR.jar
..............................\DES算法程序实验报告.doc
..............................\DES算法程序源代码.java
..............................\DES算法程序说明文档.doc
..............................\README.txt

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