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- #define _XOPEN_SOURCE
- #include <unistd.h>
- #include <stdio.h>
- #include <cs50.h>
- #include <string.h>
- #include <stdlib.h>
- int main (int argc, string argv [])
- {
- if (argc != 2){
- printf ("Oops! Goodbye!n");
- return 1;
- }
- char letters [] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u',
- 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
- 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};
- char leet [] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u',
- 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
- 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
- char key [4];
- char salt [2];
- int i, j, k, l, m, n;
- for (i = 0; i < 52; i++){
- for (j = 0; j < 52; j++){
- for (k = 0; k < 52; k++){
- for (l = 0; l < 52; l++){
- for (m=0; m < 62; m++){
- for (n=0; n < 62; n++){
- key [0] = letters [i];
- key [1] = letters [j];
- key [2] = letters [k];
- key [3] = letters [l];
- salt [0] = leet [m];
- salt [1] = leet [n];
- if (strcmp(crypt (result, salt), argv [1])==0){
- printf ("%c%c%c%c", key [0], key [1], key [2], key [3]);
- break;
- }
- }
- }
- }
- }
- }
- }
- printf ("n");
- return 0;
- }
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