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1、/*****************************************************************说明：该Word文档共有10页，其中1-3页为des_encode.h文件的源代码，4-10页为des.cpp文件的源代码******************************************************************//**File:des_encode.H*Author:Unknown*ModifiedbyAllenYang*Createdon2009.9.25*/#ifn
2、def_DES_ENCODE_H#define_DES_ENCODE_HvoidTest();//UsedfortestingDESvoidEncode(int*str,int*keychar);//EncryptionFunction,Arguments:Plaintext(8bytes),Key(8bytes)voidDecode(int*str,int*keychar);//DecryptionFunction,Arguments:Ciphertext(8bytes),Key(8bytes)voidkeyBuild(int*keycha
3、r);//GenerateKeyvoidStrtoBin(int*midkey,int*keychar);//ConvertIntArrayintoBinary,CalledbykeyBuildFunctionvoidkeyCreate(int*midkey2,intmovebit,inti);//56Bit->48BitKeyMapping,CalledbykeyBuildFunctionvoidEncodeData(int*lData,int*rData,int*str);//InitialPermutationvoidDecodeDat
4、a(int*str,int*lData,int*rData);//InverseInitialPermutationvoidF(int*rData,int*key);//FFunctionvoidExpand(int*rData,int*rDataP);//ExpandFunctionvoidExchangeS(int*rDataP,int*rData);//SChangevoidFillBin(int*rData,intn,ints);//ConvertIntintoBinary,CalledbySChangeFunctionvoidExc
5、hangeP(int*rData);//PChangeintIP1[]={//InitialPermutationArray58,50,42,34,26,18,10,2,60,52,44,36,28,20,12,4,62,54,46,38,30,22,14,6,64,56,48,40,32,24,16,8,57,49,41,33,25,17,9,1,59,51,43,35,27,19,11,3,61,53,45,37,29,21,13,5,63,55,47,39,31,23,15,7,};intIP2[]={//InverseInitialP
6、ermutationArray40,8,48,16,56,24,64,32,39,7,47,15,55,23,63,31,38,6,46,14,54,22,62,30,37,5,45,13,53,21,61,29,36,4,44,12,52,20,60,28,35,3,43,11,51,19,59,27,34,2,42,10,50,18,58,26,33,1,41,9,49,17,57,25};ints[][4][16]={//S-diagramArray{{14,4,13,1,2,15,11,8,3,10,6,12,5,9,0,7},{0,
7、15,7,4,14,2,13,1,10,6,12,11,9,5,3,8},{4,1,14,8,13,6,2,11,15,12,9,7,3,10,5,0},{15,12,8,2,4,9,1,7,5,11,3,14,10,0,6,13}},{{15,1,8,14,6,11,3,4,9,7,2,13,12,0,5,10},{3,13,4,7,15,2,8,14,12,0,1,10,6,9,11,5},{0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15},{13,8,10,1,3,15,4,2,11,6,7,12,0,5,1
8、4,9}},{{10,0,9,14,6,3,15,5,1,13,12,7,11,4,2,8},{13,7,0,9,3,4,6,10,2,8,5,14,12,11,1
