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added printing candidates count

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This commit is contained in:
merlokk 2018-02-09 14:36:11 +02:00
commit 62a4af0abb
1 changed files with 13 additions and 6 deletions
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19
client/mifarehost.c
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@ -909,15 +909,22 @@ int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEml
else
printf("key> the same key test. check nt parity error.\n");
uint32_t ntx = prng_successor(nt, 90);
uint32_t ntc = prng_successor(nt, 90);
uint32_t ntx = 0;
int ntcnt = 0;
for (int i = 0; i < 16383; i++) {
ntx = prng_successor(ntx, 1);
if (NTParityCheck(ntx)){
printf("key> nt candidate=%08x nonce distance=%d\n", ntx, nonce_distance(nt, ntx));
break;
ntc = prng_successor(ntc, 1);
if (NTParityCheck(ntc)){
if (!ntcnt)
ntx = ntc;
ntcnt++;
}
}
if (ntcnt)
printf("key> nt candidate=%08x nonce distance=%d candidates count=%d\n", ntx, nonce_distance(nt, ntx), ntcnt);
else
printf("key> don't have any nt candidate( \n");
nt = ntx;
ks2 = ar_enc ^ prng_successor(ntx, 64);
ks3 = at_enc ^ prng_successor(ntx, 96);