ATQA(Answer To reQuest code A)는 NFC(Near Field Communication) 기술의 2바이트 코드로 NFC 리더와 통신하는 RFID 태그 또는 장치의 유형을 식별하는 데 사용됩니다. NFC 리더가 근처의 태그 또는 장치와 통신하기 위해 신호를 보내면 태그 또는 장치는 ATQA 코드로 응답하여 자신의 존재와 기능을 나타냅니다.
"Get Data Command" is defined in PCSC 3 v2. If your driver is PCSC v2 compliant, you can get UID using it:
Class = 0xFF INS = 0xCA P1 = 0x00 P2 = 0x00 Le = 0x00 (return full length: ISO14443A single 4 bytes, double 7 bytes, triple 10 bytes, for ISO14443B 4 bytes PUPI, for 15693 8 bytes UID) Returned value is:
Smart Card Subsystem (and Resource Manger) must work "out of the box". Try to install some smart card drivers that present virtual slots to the system. For example thisone. Are you working via RDP?
I answered "yes" to the RDP question. I logged into the computer directly, and magic: I see the smart card reader. I guess it's a security feature so you don't share your smartcard with the world. – Radu C CommentedJan 19, 2021 at 23:05 Ah, RDP. Lost too much time again due to this, not the first time. Even with Smart card forwarding disabled, you just get that terrible uninformative message. – jcaron CommentedApr 22, 2024 at 22:24