- // check if UID is 4 bytes
- if ((card->atqa[1] & 0xC0) == 0) {
- PrintAndLog("%02X%02X%02X%02X",
- *uid, *(uid + 1), *(uid + 2), *(uid + 3));
- } else {
- PrintAndLog("UID longer than 4 bytes");
+ char uid_string[20];
+ for (uint16_t i = 0; i < card->uidlen; i++) {
+ sprintf(&uid_string[2*i], "%02X", card->uid[i]);