Get bio metadata
Command APDU Info
| CLA | INS | P1 | P2 | Lc | Data | Le |
|---|---|---|---|---|---|---|
| 00 | F7 | 00 | 96 | (absent) | (absent) | (absent) |
Response APDU Info
Total Length: 9 + 2
Data Length: 9
| Data | SW1 | SW2 |
|---|---|---|
| bio metadata as set of TLV | 90 | 00 |
The data consists of a set of TLVs. The possible valid tags (T of TLV) are listed in the table below. The length (L of TLV) is one. The values (V of TLV) are dependent on the tags, described in the table below.
Table 1: List of Metadata Elements
| Tag | Name | Meaning | Data |
|---|---|---|---|
| 07 | IsConfigured | state of biometric verification configuration (ie. fingerprints are enrolled) |
01 (configured) 00 (not configured) |
| 06 | RetriesRemaining | indicates how many biometric match retries are left | 00-03 (when IsConfigured is 01, value 00 indicates that biometric verification is blocked) |
| 08 | HasTemporaryPin | indicates if a temporary PIN has been generated in the YubiKey | 01 (generated) 00 (not generated) |