- uint8_t version[8] = {0x00};
- memcpy(&version, resp.d.asBytes, resp.arg[0]);
- uint8_t isOK = resp.arg[0] & 0xff;
- if ( isOK ){
- // size of tag, check version[4] == 0x0b == smaller.
- PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);
- }
- else {
- PrintAndLog("TYPE : NXP MIFARE Ultralight | Ultralight C");
+ uint8_t version[10] = {0};
+ memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
+ uint8_t len = resp.arg[0] & 0xff;
+ switch ( len){
+ // todo, identify "Magic UL-C tags". // they usually have a static nonce response to 0x1A command.
+ // UL-EV1, size, check version[6] == 0x0b (smaller) 0x0b * 4 == 48
+ case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128); break;
+ case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
+ case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;