96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <time.h>
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const uint16_t NBR_PASSWORDS_REQUESTED = 100;
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bool hash(char* str){
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char* str1 = str;
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char* str2 = str;
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uint32_t foo = 0x56253667;
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do {
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str2 = str1 + 4;
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foo = foo ^ ((uint8_t)*str1 << 24 | (uint8_t)str1[1] << 16 | (uint8_t)str1[2] << 8 | (uint8_t)str1[3]);
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str1 = str2;
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} while (str + 12 != str2);
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return foo == 0x3c3e386b ? true : false;
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}
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const char list[] = {
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'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',
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'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',
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'/', '+'
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};
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char give_char(uint8_t index){
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if (index >= sizeof(list)) {
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printf("Error: Index out of bounds, max %zu\n", sizeof(list));
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exit(1);
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}
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return list[index];
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}
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int main(int argc, char *argv[]) {
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srand(time(NULL));
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// seed = 0x56253667;
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// answer = 0x3c3e386b;
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uint8_t mdw[4] = {0x6a, 0x1b, 0x0e, 0x0c};
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char password[13];
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const uint8_t max_char = sizeof(list);
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password[0] = 'r';
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password[1] = 'e';
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password[2] = 'm';
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password[3] = 'i';
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uint8_t foo[4];
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for(uint16_t n = 0; n < NBR_PASSWORDS_REQUESTED; n++) {
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for(uint8_t i = 0; i < 4; i++) {
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foo[i] = password[i] ^ mdw[i];
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}
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for(uint8_t i = 0; i < 4; i++) {
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// password[i] = give_char(rand()%max_char);
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uint32_t counter = 0;
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// for(uint8_t c2 = 0; c2 < max_char; c2++) {
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// }
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do{
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password[i+4] = list[rand()%max_char];
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for(uint8_t j = 0; j < max_char; j++) {
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password[i+8] = list[j];
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if( ((uint8_t)password[i+4] ^ (uint8_t)password[i+8]) == foo[i]) break;
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}
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counter++;
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} while (( (uint8_t)password[i+4] ^ (uint8_t)password[i+8] ) != foo[i]);
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//printf("Counter: %zu\n", counter);
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}
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password[12] = '\0';
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if (hash(password)) {
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printf("%s\n", password);
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} else {
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printf("Fuck\n");
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}
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}
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}
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// l96n hRI/ npqM 471M
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//
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//
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// 56 25 36 67
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// -----------
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// 6C 39 36 6E
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// 68 52 49 2F
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// 6E 70 71 4D
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// -----------
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// 3c 3e 38 6b
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