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hf mf sniff transfered parity from arm to decoding procedure

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Merlokbr@gmail.com 2012-07-17 15:19:15 +00:00
commit 71d90e54cd
6 changed files with 20 additions and 11 deletions
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8
client/mifarehost.c
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@ -295,9 +295,12 @@ uint32_t ks3;
uint32_t uid; // serial number
uint32_t nt; // tag challenge
uint32_t nt_par;
uint32_t nr_enc; // encrypted reader challenge
uint32_t ar_enc; // encrypted reader response
uint32_t nr_ar_par;
uint32_t at_enc; // encrypted tag response
uint32_t at_par;
int isTraceCardEmpty(void) {
return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0));
@ -401,7 +404,7 @@ void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool i
}
int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
int mfTraceDecode(uint8_t *data_src, int len, uint32_t parity, bool wantSaveToEmlFile) {
uint8_t data[64];
if (traceState == TRACE_ERROR) return 1;
@ -504,6 +507,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
traceState = TRACE_AUTH2;
nt = bytes_to_num(data, 4);
nt_par = parity;
return 0;
} else {
traceState = TRACE_ERROR;
@ -517,6 +521,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
nr_enc = bytes_to_num(data, 4);
ar_enc = bytes_to_num(data + 4, 4);
nr_ar_par = parity;
return 0;
} else {
traceState = TRACE_ERROR;
@ -529,6 +534,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
traceState = TRACE_IDLE;
at_enc = bytes_to_num(data, 4);
at_par = parity;
// decode key here)
if (!traceCrypto1) {