Host Protocols Direct Protocol CONTROL class Authenticity GET SEAL SUBJECT
September 3, 2025 at 8:28 AMGET_SEAL_SUBJECT
Role
Read the subject of the device authenticity certificate.
Access condition
Free.
Command
| Field | Value |
|---|---|
| CLA | 58 (CONTROL) |
| INS | E1 |
| Data | None |
Response
| Bytes | Content |
|---|---|
| 0-N | Subject of the device authenticity certificate |
Remark
The subject is an ASCII string, in the form C=FR,O=SpringCard,OU=SpringCore,CN={serial number}-{firmware options}-{hardware guid}