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improved staticnonce tristate processing

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This commit is contained in:
iceman1001 2020-09-11 16:15:58 +02:00
commit 5b695153b6
4 changed files with 37 additions and 25 deletions
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31
armsrc/mifarecmd.c
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@ -2348,29 +2348,29 @@ OUT:
void MifareHasStaticNonce(void) {
// variables
int retval = PM3_SUCCESS, len;
uint32_t nt = 0 ;
uint8_t rec[1] = {0x00};
uint8_t recpar[1] = {0x00};
int retval = PM3_SUCCESS;
uint32_t nt = 0;
uint8_t *uid = BigBuf_malloc(10);
uint8_t data[1] = {0x00};
uint8_t data[1] = { NONCE_FAIL };
struct Crypto1State mpcs = {0, 0};
struct Crypto1State *pcs;
pcs = &mpcs;
iso14a_card_select_t card_info;
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
for (int i = 0; i < 3; i++) {
uint8_t counter = 0;
for (uint8_t i = 0; i < 3; i++) {
iso14a_card_select_t card_info;
if (!iso14443a_select_card(uid, &card_info, NULL, true, 0, true)) {
retval = PM3_ESOFT;
goto OUT;
}
uint8_t rec[1] = {0x00};
uint8_t recpar[1] = {0x00};
// Transmit MIFARE_CLASSIC_AUTH 0x60, block 0
len = mifare_sendcmd_short(pcs, false, MIFARE_AUTH_KEYA, 0, rec, recpar, NULL);
int len = mifare_sendcmd_short(pcs, false, MIFARE_AUTH_KEYA, 0, rec, recpar, NULL);
if (len != 4) {
retval = PM3_ESOFT;
goto OUT;
@ -2378,7 +2378,7 @@ void MifareHasStaticNonce(void) {
// Save the tag nonce (nt)
if (nt == bytes_to_num(rec, 4)) {
data[0]++;
counter++;
}
nt = bytes_to_num(rec, 4);
@ -2389,6 +2389,13 @@ void MifareHasStaticNonce(void) {
CHK_TIMEOUT();
}
if (counter) {
Dbprintf("%u static nonce %08x", data[0], nt);
data[0] = NONCE_STATIC;
} else {
data[0] = NONCE_NORMAL;
}
OUT:
reply_ng(CMD_HF_MIFARE_STATIC_NONCE, retval, data, sizeof(data));
// turns off