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added hardnested sketch. final cleaning.

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This commit is contained in:
merlokk 2018-02-13 17:07:49 +02:00
commit 45b4ac09c9
1 changed files with 29 additions and 2 deletions
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31
client/cmdhflist.c
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@ -298,7 +298,7 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes
}
// check last used key
if (false && mfLastKey) {
if (mfLastKey) {
if (NestedCheckKey(mfLastKey, &AuthData, cmd, cmdsize, parity)) {
PrintAndLog(" | * | key | last used key:%010"PRIx64" ks2:%08x ks3:%08x | |",
mfLastKey,
@ -310,7 +310,7 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes
}
// check default keys
if (false && !traceCrypto1) {
if (!traceCrypto1) {
for (int defaultKeyCounter = 0; defaultKeyCounter < MifareDefaultKeysSize; defaultKeyCounter++){
if (NestedCheckKey(MifareDefaultKeys[defaultKeyCounter], &AuthData, cmd, cmdsize, parity)) {
PrintAndLog(" | * | key | default key:%010"PRIx64" ks2:%08x ks3:%08x | |",
@ -360,6 +360,33 @@ bool DecodeMifareData(uint8_t *cmd, uint8_t cmdsize, uint8_t *parity, bool isRes
//hardnested
if (!traceCrypto1) {
printf("hardnested not implemented. uid:%x nt:%x ar_enc:%x at_enc:%x\n", AuthData.uid, AuthData.nt, AuthData.ar_enc, AuthData.at_enc);
MifareAuthState = masError;
/* TOO SLOW( needs to have more strong filter. with this filter - aprox 4 mln tests
uint32_t t = msclock();
uint32_t t1 = t;
int n = 0;
for (uint32_t i = 0; i < 0xFFFFFFFF; i++) {
if (NTParityChk(&AuthData, i)){
uint32_t ks2 = AuthData.ar_enc ^ prng_successor(i, 64);
uint32_t ks3 = AuthData.at_enc ^ prng_successor(i, 96);
struct Crypto1State *pcs = lfsr_recovery64(ks2, ks3);
n++;
if (!(n % 100000)) {
printf("delta=%d n=%d ks2=%x ks3=%x \n", msclock() - t1 , n, ks2, ks3);
t1 = msclock();
}
}
}
printf("delta=%d n=%d\n", msclock() - t, n);
*/
}
}