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disable extra attack - disable stats.txt

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Moebius attack didn't yield any better results in my testing so
disabling it, but allowing it to be re-enabled at will.
also disabled the auto logging of all keys with uid delimited file
stats.txt - can be uncommented when needed
This commit is contained in:
marshmellow42 2016-07-28 12:52:18 -04:00
parent 91f4d53123
commit ef3f88bca9
2 changed files with 7 additions and 4 deletions
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5
client/cmdhfmf.c
View file

@ -1079,14 +1079,15 @@ void readerAttack(nonces_t ar_resp[], bool setEmulatorMem) {
}
}
}
//moebius attack
/*
//un-comment to use as well moebius attack
for (uint8_t i = ATTACK_KEY_COUNT; i<ATTACK_KEY_COUNT*2; i++) {
if (ar_resp[i].ar2 > 0) {
if (tryMfk32_moebius(ar_resp[i], &key)) {
PrintAndLog("M-Found Key%s for sector %02d: [%04x%08x]", (ar_resp[i].keytype) ? "B" : "A", ar_resp[i].sector, (uint32_t) (key>>32), (uint32_t) (key &0xFFFFFFFF));
}
}
}
}*/
}
int usage_hf14_mf1ksim(void) {

6
client/nonce2key/nonce2key.c
View file

@ -181,12 +181,12 @@ bool mfkey32(nonces_t data, uint64_t *outputkey) {
if (counter==20) break;
}
}
//free(s);
isSuccess = (counter == 1);
t1 = clock() - t1;
//if ( t1 > 0 ) PrintAndLog("Time in mfkey32: %.0f ticks \nFound %d possible keys", (float)t1, counter);
*outputkey = ( isSuccess ) ? outkey : 0;
crypto1_destroy(s);
/* //un-comment to save all keys to a stats.txt file
FILE *fout;
if ((fout = fopen("stats.txt","ab")) == NULL) {
PrintAndLog("Could not create file name stats.txt");
@ -194,6 +194,7 @@ bool mfkey32(nonces_t data, uint64_t *outputkey) {
}
fprintf(fout, "mfkey32,%d,%08x,%d,%s,%04x%08x,%.0Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t)(outkey>>32) & 0xFFFF,(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
fclose(fout);
*/
return isSuccess;
}
@ -205,7 +206,6 @@ bool tryMfk32_moebius(nonces_t data, uint64_t *outputkey) {
uint32_t nt0 = data.nonce; // first tag challenge (nonce)
uint32_t nr0_enc = data.nr; // first encrypted reader challenge
uint32_t ar0_enc = data.ar; // first encrypted reader response
//uint32_t uid1 = le32toh(data+16);
uint32_t nt1 = data.nonce2; // second tag challenge (nonce)
uint32_t nr1_enc = data.nr2; // second encrypted reader challenge
uint32_t ar1_enc = data.ar2; // second encrypted reader response
@ -238,6 +238,7 @@ bool tryMfk32_moebius(nonces_t data, uint64_t *outputkey) {
//if ( t1 > 0 ) PrintAndLog("Time in mfkey32_moebius: %.0f ticks \nFound %d possible keys", (float)t1,counter);
*outputkey = ( isSuccess ) ? outkey : 0;
crypto1_destroy(s);
/* // un-comment to output all keys to stats.txt
FILE *fout;
if ((fout = fopen("stats.txt","ab")) == NULL) {
PrintAndLog("Could not create file name stats.txt");
@ -245,6 +246,7 @@ bool tryMfk32_moebius(nonces_t data, uint64_t *outputkey) {
}
fprintf(fout, "moebius,%d,%08x,%d,%s,%04x%08x,%0.Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t) (outkey>>32),(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
fclose(fout);
*/
return isSuccess;
}