Verify UV
Command APDU info
| CLA | INS | P1 | P2 | Lc | Data | Le |
|---|---|---|---|---|---|---|
| 00 | 20 | 00 | 96 | variable | variable | (absent) |
The data bytes vary depending on the intended operation:
- none - check the biometric state
- 02 00 - request a temporary PIN
- 03 00 - perform biometric verification
Response APDU info
Response APDU for VERIFY (success)
Total Length: 2
Data Length: 0
| Data | SW1 | SW2 |
|---|---|---|
| (no data) | 90 | 00 |
Response APDU for VERIFY (success with temporary PIN)
Total Length: 18
Data Length: 16
| Data | SW1 | SW2 |
|---|---|---|
| temporary PIN | 90 | 00 |
Response APDU for VERIFY (Invalid biometric match)
Total Length: 2
Data Length: 0
| Data | SW1 | SW2 |
|---|---|---|
| (no data) | 63 | C0 - C2 |
If the biometric match failed, the error is 63 CX where X is the number of
retries remaining. When no retries remain, biometric verification becomes blocked, and the error returned is 0x6983 (AuthenticationMethodBlocked). To proceed in this situation, the PIV PIN verification must be used.