Description: n = 4, the permutation code design, can achieve file encryption, decryption. Enclosed expressly, or write your own.
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pailiema\排列码程序设计源代码.doc
........\明文\00.txt
........\....\0F.txt
........\....\11.txt
........\....\22.txt
........\....\33.txt
........\....\44.txt
........\....\55.txt
........\....\66.txt
........\....\77.txt
........\....\88.txt
........\....\99.txt
........\....\AA.txt
........\....\BB.txt
........\....\CC.txt
........\....\DD.txt
........\....\EE.txt
........\....\FF.txt
........\明文
pailiema
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