72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// $ gcc -o parabrutfor parabrutfor.c -fopenmp -lssl -lcrypto
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// $ export OMP_NUM_THREADS=4
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// $ ./parabrutfor
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <omp.h>
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#include <openssl/sha.h>
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typedef unsigned char byte;
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int matches(byte *a, byte* b) {
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for (int i = 0; i < 32; i++)
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if (a[i] != b[i])
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return 0;
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return 1;
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}
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byte* StringHashToByteArray(const char* s) {
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byte* hash = (byte*) malloc(32);
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char two[3];
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two[2] = 0;
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for (int i = 0; i < 32; i++) {
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two[0] = s[i * 2];
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two[1] = s[i * 2 + 1];
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hash[i] = (byte)strtol(two, 0, 16);
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}
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return hash;
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}
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void printResult(byte* password, byte* hash) {
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char sPass[6];
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memcpy(sPass, password, 5);
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sPass[5] = 0;
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printf("%s => ", sPass);
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for (int i = 0; i < SHA256_DIGEST_LENGTH; i++)
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printf("%02x", hash[i]);
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printf("\n");
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}
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int main(int argc, char **argv)
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{
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#pragma omp parallel
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{
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#pragma omp for
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for (int a = 0; a < 26; a++)
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{
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byte password[5] = { 97 + a };
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byte* one = StringHashToByteArray("1115dd800feaacefdf481f1f9070374a2a81e27880f187396db67958b207cbad");
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byte* two = StringHashToByteArray("3a7bd3e2360a3d29eea436fcfb7e44c735d117c42d1c1835420b6b9942dd4f1b");
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byte* three = StringHashToByteArray("74e1bb62f8dabb8125a58852b63bdf6eaef667cb56ac7f7cdba6d7305c50a22f");
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for (password[1] = 97; password[1] < 123; password[1]++)
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for (password[2] = 97; password[2] < 123; password[2]++)
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for (password[3] = 97; password[3] < 123; password[3]++)
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for (password[4] = 97; password[4] < 123; password[4]++) {
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byte *hash = SHA256(password, 5, 0);
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if (matches(one, hash) || matches(two, hash) || matches(three, hash))
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printResult(password, hash);
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}
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free(one);
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free(two);
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free(three);
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}
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}
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return 0;
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}
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