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iceman1001 2019-12-30 16:27:51 +01:00
commit fb0eb35710
5 changed files with 89 additions and 89 deletions
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10
client/mifare/mifarehost.c
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@ -324,7 +324,7 @@ __attribute__((force_align_arg_pointer))
*nested_worker_thread(void *arg) {
struct Crypto1State *p1;
StateList_t *statelist = arg;
statelist->head.slhead = lfsr_recovery32(statelist->ks1, statelist->nt ^ statelist->uid);
statelist->head.slhead = lfsr_recovery32(statelist->ks1, statelist->nt_enc ^ statelist->uid);
for (p1 = statelist->head.slhead; * (uint64_t *)p1 != 0; p1++) {};
@ -391,10 +391,10 @@ int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo,
statelists[i].uid = uid;
}
memcpy(&statelists[0].nt, package->nt_a, sizeof(package->nt_a));
memcpy(&statelists[0].nt_enc, package->nt_a, sizeof(package->nt_a));
memcpy(&statelists[0].ks1, package->ks_a, sizeof(package->ks_a));
memcpy(&statelists[1].nt, package->nt_b, sizeof(package->nt_b));
memcpy(&statelists[1].nt_enc, package->nt_b, sizeof(package->nt_b));
memcpy(&statelists[1].ks1, package->ks_b, sizeof(package->ks_b));
@ -422,14 +422,14 @@ int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo,
savestate = *p1;
while (Compare16Bits(p1, &savestate) == 0 && p1 <= statelists[0].tail.sltail) {
*p3 = *p1;
lfsr_rollback_word(p3, statelists[0].nt ^ statelists[0].uid, 0);
lfsr_rollback_word(p3, statelists[0].nt_enc ^ statelists[0].uid, 0);
p3++;
p1++;
}
savestate = *p2;
while (Compare16Bits(p2, &savestate) == 0 && p2 <= statelists[1].tail.sltail) {
*p4 = *p2;
lfsr_rollback_word(p4, statelists[1].nt ^ statelists[1].uid, 0);
lfsr_rollback_word(p4, statelists[1].nt_enc ^ statelists[1].uid, 0);
p4++;
p2++;
}

2
client/mifare/mifarehost.h
View file

@ -39,7 +39,7 @@ typedef struct {
uint32_t uid;
uint32_t blockNo;
uint32_t keyType;
uint32_t nt;
uint32_t nt_enc;
uint32_t ks1;
} StateList_t;