86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/sysinfo.h>
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#include "craptev1.h"
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#define rev32(word) (((word & 0xff) << 24) | (((word >> 8) & 0xff) << 16) | (((word >> 16) & 0xff) << 8) | (((word >> 24) & 0xff)))
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uint64_t split(uint8_t p){
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return (((p & 0x8) >>3 )| ((p & 0x4) >> 2) << 8 | ((p & 0x2) >> 1) << 16 | (p & 0x1) << 24 );
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}
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uint32_t uid;
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uint64_t *readnonces(char* fname){
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int i;
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FILE *f = fopen(fname, "r");
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uint64_t *nonces = malloc(sizeof (uint64_t) << 24);
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if(fread(&uid, 1, 4, f)){
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uid = rev32(uid);
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}
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fseek(f, 6, SEEK_SET);
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i = 0;
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while(!feof(f)){
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uint32_t nt_enc1, nt_enc2;
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uint8_t par_enc;
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if(fread(&nt_enc1, 1, 4, f) && fread(&nt_enc2, 1, 4, f) && fread(&par_enc, 1, 1, f)){
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nonces[i ] = split(~(par_enc >> 4)) << 32 | nt_enc1;
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nonces[i+1] = split(~(par_enc & 0xff)) << 32 | nt_enc2;
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i += 2;
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}
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}
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nonces[i] = -1;
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fclose(f);
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return nonces;
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}
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uint32_t **space;
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size_t thread_count;
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size_t states_tested = 0;
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size_t total_states;
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size_t keys_found = 0;
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void* crack_states_thread(void* x){
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const size_t thread_id = (size_t)x;
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int j;
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for(j = thread_id; space[j * 5]; j += thread_count) {
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uint64_t key = craptev1_search_partition(space + j * 5);
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states_tested = total_states - craptev1_sizeof_space(space+j*5);
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printf("Cracking... %6.02f%%\n", (100.0*states_tested/(total_states)));
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if(key != -1){
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printf("Found key: %012lx\n", key);
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exit(0);
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}
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}
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return NULL;
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}
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int main(int argc, char* argv[]){
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if(argc != 2){
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printf("Usage: %s <nonces.bin>\n", argv[0]);
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return -1;
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}
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uint64_t *nonces = readnonces(argv[1]);
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space = craptev1_get_space(nonces, 95, uid);
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total_states = craptev1_sizeof_space(space);
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thread_count = get_nprocs_conf();
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pthread_t threads[thread_count];
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printf("Starting %lu threads to test %lu states\n", thread_count, total_states);
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size_t i;
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states_tested = 0;
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for(i = 0; i < thread_count; i++){
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pthread_create(&threads[i], NULL, crack_states_thread, (void*) i);
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}
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for(i = 0; i < thread_count; i++){
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pthread_join(threads[i], 0);
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}
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printf("Tested %lu states\n", states_tested);
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craptev1_destroy_space(space);
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return 0;
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}
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