用c語言實現(xiàn)des加密和解密-免費閱讀
【正文】 coutendl。cout請輸入解密密鑰：endl。i16。i++)H_to_B(CodeMsg,FinalByte)。i16。 cinMsg[i]。intB_to_H(FinalBYTE,Final_H)。int voidcharout[j]=s2[i]%2。s1=in[i*6]*2+in[i*6+5]*1。},9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6,2,12,4,1,7,10,11,6,8,5,3,15,13,0,14,9,},0,14,7,11,10,4,13,1,5,8,12,6,9,3,2,15,0,15,7,4,14,2,13,1,10,6,12,11,9,5,3,8,int{if(i==15)if(i==8)if(i==1){41,52,31,37,47,55,63,55,47,39,31,23,15,632,27,29,12int10,11,12,13,4,E[48]37,5,45,13,53,21,61,29,60,52,44,36,28,20,12,4, include{61,53,45,37,29,21,13,5,40,8,48,16,56,24,64,32,}。3,9,28,29,30,31,32,1,1,31,19,13,253,28,15,6,21,10,Char_to_Int(in,Msg_Int,8)。for(i=0。Combine(C[i+1],D[i+1],Key_Bin,56)。in[],int={13,7,0,9,3,4,6,10,2,8,5,14,12,11,15,1,3,15,0,6,10,1,13,8,9,4,5,11,12,7,2,14{13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6,2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11i8。}j=i*4。Encode(unsignedintcharFinal_H[],intO_to_B(ORINT,ORBYTE,8)。i++)S_box(S_in,S_out)。{
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