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fix: 'hf mf mifare - wrongly executed the parity-zero when not needed.

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This commit is contained in:
iceman1001 2017-12-06 19:53:41 +01:00
commit 8a69488582
2 changed files with 17 additions and 16 deletions
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7
client/mfkey.c
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@ -33,8 +33,8 @@ uint32_t intersection(uint64_t *listA, uint64_t *listB) {
p2++;
}
else {
while (compare_uint64(p1, p2) == -1) ++p1;
while (compare_uint64(p1, p2) == 1) ++p2;
while (compare_uint64(p1, p2) < 0) ++p1;
while (compare_uint64(p1, p2) > 0) ++p2;
}
}
*p3 = -1;
@ -70,7 +70,6 @@ uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_info, ui
states = lfsr_common_prefix(nr, rr, ks3x, par, (par_info == 0));
if (!states) {
printf("Failed getting states\n");
*keys = NULL;
return 0;
}
@ -78,7 +77,7 @@ uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_info, ui
keylist = (uint64_t*)states;
for (i = 0; keylist[i]; i++) {
lfsr_rollback_word(states+i, uid^nt, 0);
lfsr_rollback_word(states+i, uid ^ nt, 0);
crypto1_get_lfsr(states+i, &key_recovered);
keylist[i] = key_recovered;
}