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Mifare Classic Value operations

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Added increment value, decrement value via the supplied commands and set value via the normal write command.  Also added "get" to read a value block and decode/display.
This commit is contained in:
mwalker33 2022-06-05 16:58:53 +10:00
commit f5170f1d18
7 changed files with 317 additions and 11 deletions
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64
armsrc/mifarecmd.c
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@ -446,6 +446,70 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) {
set_tracing(false);
}
void MifareValue(uint8_t arg0, uint8_t arg1, uint8_t *datain) {
// params
uint8_t blockNo = arg0;
uint8_t keyType = arg1;
uint64_t ui64Key = 0;
uint8_t blockdata[16] = {0x00};
ui64Key = bytes_to_num(datain, 6);
memcpy(blockdata, datain + 10, 16);
// variables
uint8_t action = datain[9];
uint8_t isOK = 0;
uint8_t uid[10] = {0x00};
uint32_t cuid = 0;
struct Crypto1State mpcs = {0, 0};
struct Crypto1State *pcs;
pcs = &mpcs;
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
clear_trace();
set_tracing(true);
LED_A_ON();
LED_B_OFF();
LED_C_OFF();
while (true) {
if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Can't select card");
break;
};
if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Auth error");
break;
};
if (mifare_classic_value(pcs, cuid, blockNo, blockdata, action)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Write block error");
break;
};
if (mifare_classic_halt(pcs, cuid)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Halt error");
break;
};
isOK = 1;
break;
}
crypto1_deinit(pcs);
if (g_dbglevel >= 2) DbpString("WRITE BLOCK FINISHED");
reply_mix(CMD_ACK, isOK, 0, 0, 0, 0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LEDsoff();
set_tracing(false);
}
// Arg0 : Block to write to.
// Arg1 : 0 = use no authentication.
// 1 = use 0x1A authentication.