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cleaned up and reduced number of arrays used

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This commit is contained in:
iceman1001 2023-12-31 09:36:25 +01:00
parent f840dc810b
commit 873c1e57a3
1 changed files with 7 additions and 12 deletions
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19
armsrc/mifarecmd.c
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@ -2527,9 +2527,7 @@ void MifareCIdent(bool is_mfc, uint8_t keytype, uint8_t *key) {
// check for super card gen2
// not available after RATS, reset card before executing
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelay(40);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
mf_reset_card();
iso14443a_select_card(uid, NULL, &cuid, true, 0, true);
ReaderTransmit(rdbl00, sizeof(rdbl00), NULL);
@ -2556,6 +2554,10 @@ void MifareCIdent(bool is_mfc, uint8_t keytype, uint8_t *key) {
}
} else {
struct Crypto1State mpcs = {0, 0};
struct Crypto1State *pcs;
pcs = &mpcs;
// CUID (with default sector 0 B key) test
// regular cards will NAK the WRITEBLOCK(0) command, while DirectWrite will ACK it
// if we do get an ACK, we immediately abort to ensure nothing is ever actually written
@ -2565,15 +2567,11 @@ void MifareCIdent(bool is_mfc, uint8_t keytype, uint8_t *key) {
res = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);
if (res) {
struct Crypto1State mpcs = {0, 0};
struct Crypto1State *pcs;
pcs = &mpcs;
uint64_t tmpkey = bytes_to_num(key, 6);
if (mifare_classic_authex(pcs, cuid, 0, keytype, tmpkey, AUTH_FIRST, NULL, NULL) == 0) {
uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
if ((mifare_sendcmd_short(pcs, 1, ISO14443A_CMD_WRITEBLOCK, 0, receivedAnswer, receivedAnswerPar, NULL) == 1) && (receivedAnswer[0] == 0x0A)) {
if ((mifare_sendcmd_short(pcs, 1, ISO14443A_CMD_WRITEBLOCK, 0, buf, par, NULL) == 1) && (buf[0] == 0x0A)) {
data[data_off++] = MAGIC_GEN_2;
// turn off immediately to ensure nothing ever accidentally writes to the block
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
@ -2612,9 +2610,6 @@ void MifareCIdent(bool is_mfc, uint8_t keytype, uint8_t *key) {
res = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);
if (res) {
struct Crypto1State mpcs = {0, 0};
struct Crypto1State *pcs;
pcs = &mpcs;
if (mifare_classic_authex(pcs, cuid, 68, MF_KEY_B, 0x707B11FC1481, AUTH_FIRST, NULL, NULL) == 0) {
data[data_off++] = MAGIC_QL88;
}