//gcc -fopenmp -O2 -static -s omp_pwd_md5.c md5.c -o omp_pwd_md5.exe
#include <stdio.h>
#include "md5.h"
#include <omp.h>
#define PASSWD_MAXLEN 32
#define PASSWD_SET_SIZE 36
const char *passwd_
words = "0123456789abcdefghijklmnopqrstuvwxyz_-.,";
const char *real_pass_digest = "\x5d\x41\x40\x2a\xbc\x4b\x2a\x76\xb9\x71\x9d\x91\x10\x17\xc5\x92";
int compare_pass(int passwd_len , char *passwd)
{
int i;
int match = 0;
unsigned int *p1, *p2;
p2 = (unsigned int *)real_pass_digest;
//printf("Guess Pass
word: %s", passwd);
md5_state_t ms;
md5_byte_t digest[16];
md5_init(;ms);
md5_append(;ms, passwd, passwd_len);
md5_finish(;ms, digest);
p1 = (unsigned int *)digest;
for(i = 0; i < 4; i++)
{
if(p1 == p2) match++;
}
i = 0;
if(match == 4)
{
i = 1;
printf("String: %s -- Matched!", passwd);
}
return i;
}
void passwd_gen()
{
int core_nums = omp_get_num_procs();
printf("Core Number:%d\n", core_nums);
int i, finded = 0;
int len = 0, passwd_count = 0;
int PP[PASSWD_MAXLEN];
int *passlen = (int *)malloc(sizeof(int)*core_nums);
char *passwd = (char *)malloc(PASSWD_MAXLEN * core_nums);
for(i = 0; i < PASSWD_MAXLEN; i++)
{
PP = 0;
passwd = 0;
}
int pos = 0;
while(1)
{
PP[pos]++;
if(PP[pos] == PASSWD_SET_SIZE)
{
PP[pos] = 0;pos++;
continue;
}
else
{
len = pos > len ? pos : len ;
pos = 0;
for(i = 0; i < len + 1; i++) passwd[PASSWD_MAXLEN*passwd_count + i] = passwd_
words[ PP ];
passlen[passwd_count] = len + 1;
passwd_count++;
if(passwd_count == core_nums)
{
passwd_count = 0;
#pragma omp parallel for
for(i = 0; i < core_nums; i++)
{
finded += compare_pass(passlen, passwd + PASSWD_MAXLEN*i);
}
if(finded) break;
}
}
}
free(passwd);
free(passlen);
}
int main( int argc, char *argv[] )
{
passwd_gen();
}
