#include int IP[64] = { 58,50,42,34,26,18,10,2, 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 }; int IP_1[64] = { 40,8,48,16,56,24,64,32, 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 }; int E[48] = { 32,1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 9, 10,11,12,13, 12,13,14,15,16,17, 16,17,18,19,20,21, 20,21,22,23,24,25, 24,25,26,27,28,29, 28,29,30,31,32,1 }; int P[32]={16 ,7 , 20 , 21 , 29,12 ,28 , 17 , 1, 15 ,23 , 26 , 5, 18 ,31 , 10 , 2, 8 , 24 , 14 , 32,27, 3 , 9 , 19,13, 30 , 6 , 22,11 ,4 , 25 }; void Char_to_Int(unsigned char in[],int out[],int len) { for(int i=0;i
