des算法實(shí)驗(yàn)報(bào)告(文件)
【正文】 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6,3, 0, 14},{11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9,10, 4, 5, 3}},/* S6 */{{12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7,5, 11},{10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0,11, 3, 8}, {9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4,10, 1, 13, 11, 6},{4, 3, 2, 12, 9, 5, 15, 10, 11, 14,1, 7, 6, 0, 8, 13}},/* S7 */{{4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6,1}, {13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15,8, 6},{1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5,9, 2}, {6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14,2, 3, 12}},/* S8 */{{13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0,12, 7},{1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0,14, 9, 2},{7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13,15, 3, 5, 8},{2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9,0, 3, 5, 6, 11}}}。⑨產(chǎn)生子密鑰int Key_Process(bool key[64],bool Sub_Key[16][48] ) { int round 。round16。}異或int XOR(bool KR[48],bool KL[48] ,int count){ int i。 } return 0。 Char8ToBit64(Message,Result)。round++) { memcpy(Expanded_Right,Result+32,32)。 P_function(Expanded_Right)。 Bit64ToChar8(Result,Final_Result)。 int round。round=0。 S_function(Expanded_Right)。 } Final_Exchange(Result)。 int count。 bool bKey[64]。 printf(輸入密鑰\n)。 if((output=fopen(Final_Result,wb)) == NULL) return 0。 while(!feof(input)) { if((count=fread(InputBlock,sizeof(char),8,input)) == 8) { DES_Encrypt(InputBlock,Sub_Key,OutputBlock)。,7 count)。 } fclose(input)。 int count,times = 0。 bool inputBlock[8],outputBlock[8],keyBlock[8]。 scanf(%s,name)。 if((output = fopen(name,rb)) == NULL) return 0。 Key_Process(bKey,Sub_Key)。 while(1) { fread(outputBlock
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鄂ICP備17016276號(hào)-1