RfidResearchGroup/proxmark3
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This commit is contained in:
iceman1001 2021-03-12 20:52:22 +01:00
parent 0ca5fcef1c
commit 134bcd5e3e
1 changed files with 26 additions and 21 deletions
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47
tools/mf_nonce_brute/mf_nonce_brute.c
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@ -19,6 +19,12 @@
#include "protocol.h"
#include "iso14443crc.h"
#define AEND "\x1b[0m"
#define _RED_(s) "\x1b[31m" s AEND
#define _GREEN_(s) "\x1b[32m" s AEND
#define _YELLOW_(s) "\x1b[33m" s AEND
#define _CYAN_(s) "\x1b[36m" s AEND
#define odd_parity(i) (( (i) ^ (i)>>1 ^ (i)>>2 ^ (i)>>3 ^ (i)>>4 ^ (i)>>5 ^ (i)>>6 ^ (i)>>7 ^ 1) & 0x01)
// a global mutex to prevent interlaced printing from different threads
@ -412,8 +418,8 @@ static void *brute_thread(void *arguments) {
#endif
if (cmd_enc) {
uint32_t decrypted = ks4 ^ cmd_enc;
printf("CMD enc(%08x)\n", cmd_enc);
printf(" dec(%08x)\t", decrypted);
printf("CMD enc( %08x )\n", cmd_enc);
printf(" dec( %08x ) ", decrypted);
// check if cmd exists
uint8_t isOK = checkValidCmd(decrypted);
@ -422,12 +428,12 @@ static void *brute_thread(void *arguments) {
// Add a crc-check.
isOK = checkCRC(decrypted);
if (isOK == false) {
printf("<-- not a valid cmd\n");
printf(_RED_("<-- not a valid cmd\n"));
pthread_mutex_unlock(&print_lock);
free(revstate);
continue;
} else {
printf("<-- Valid cmd\n");
printf("<-- valid cmd\n");
}
}
@ -440,11 +446,11 @@ static void *brute_thread(void *arguments) {
free(revstate);
if (args->ev1) {
printf("\nKey candidate [ %012" PRIx64 " ]\n\n", key);
printf("\nKey candidate [ " _YELLOW_("%012" PRIx64 )" ]\n\n", key);
__sync_fetch_and_add(&global_found_candidate, 1);
__sync_fetch_and_add(&global_candiate_key, key);
} else {
printf("\nValid Key found [ %012" PRIx64 " ]\n\n", key);
printf("\nValid Key found [ " _GREEN_("%012" PRIx64) " ]\n\n", key);
__sync_fetch_and_add(&global_found, 1);
__sync_fetch_and_add(&global_candiate_key, key);
}
@ -503,7 +509,7 @@ static void *brute_key_thread(void *arguments) {
pthread_mutex_lock(&print_lock);
printf("\nenc: %s\n", sprint_hex_inrow_ex(local_enc, args->enc_len, 0));
printf("dec: %s\n", sprint_hex_inrow_ex(dec, args->enc_len, 0));
printf("\nValid Key found [ %012" PRIx64 " ]\n\n", key);
printf("\nValid Key found [ " _GREEN_("%012" PRIx64) " ]\n\n", key);
pthread_mutex_unlock(&print_lock);
__sync_fetch_and_add(&global_found, 1);
}
@ -555,19 +561,18 @@ int main(int argc, char *argv[]) {
cmd_enc = (enc[0] << 24 | enc[1] << 16 | enc[2] << 8 | enc[3]);
}
printf("----------- Phase 1 ------------------------\n");
printf("uid............. %08x\n", uid);
printf("nt encrypted.... %08x\n", nt_enc);
printf("nt parity err... %04x\n", nt_par_err);
printf("nr encrypted.... %08x\n", nr_enc);
printf("ar encrypted.... %08x\n", ar_enc);
printf("ar parity err... %04x\n", ar_par_err);
printf("at encrypted.... %08x\n", at_enc);
printf("at parity err... %04x\n", at_par_err);
printf("----------- " _CYAN_("Phase 1") " ------------------------\n");
printf("uid.................. %08x\n", uid);
printf("nt encrypted......... %08x\n", nt_enc);
printf("nt parity err........ %04x\n", nt_par_err);
printf("nr encrypted......... %08x\n", nr_enc);
printf("ar encrypted......... %08x\n", ar_enc);
printf("ar parity err........ %04x\n", ar_par_err);
printf("at encrypted......... %08x\n", at_enc);
printf("at parity err........ %04x\n", at_par_err);
if (argc > 9) {
// printf("next cmd enc:\t%08x\n\n", cmd_enc);
printf("next encrypted cmd: %s\n", sprint_hex_inrow_ex(enc, enc_len ,0));
printf("next encrypted cmd... %s\n", sprint_hex_inrow_ex(enc, enc_len ,0));
}
clock_t t1 = clock();
@ -584,7 +589,7 @@ int main(int argc, char *argv[]) {
thread_count = 2;
#endif /* _WIN32 */
printf("\nBruteforce using %zu threads to find encrypted tagnonce last bytes\n", thread_count);
printf("\nBruteforce using " _YELLOW_("%zu") " threads to find encrypted tagnonce last bytes\n", thread_count);
pthread_t threads[thread_count];
@ -635,13 +640,13 @@ int main(int argc, char *argv[]) {
__sync_fetch_and_add(&global_found, 0);
__sync_fetch_and_add(&global_found_candidate, 0);
printf("\n----------- Phase 2 ------------------------\n");
printf("\n----------- " _CYAN_("Phase 2") " ------------------------\n");
printf("uid.......... %08x\n", uid);
printf("partial key.. %08x\n", (uint32_t)(global_candiate_key & 0xFFFFFFFF));
printf("nt enc....... %08x\n", nt_enc);
printf("nr enc....... %08x\n", nr_enc);
printf("next encrypted cmd: %s\n", sprint_hex_inrow_ex(enc, enc_len ,0));
printf("\nBruteforce using %zu threads to find upper 16 bits of key\n", thread_count);
printf("\nStart bruteforce to find upper 16 bits of key\n");
fflush(stdout);
// threads