Host Protocols Direct Protocol CONTROL class Authenticity WRITE SEAL SIGNATURE
April 13, 2023 at 2:39 AMWRITE_SEAL_SIGNATURE
Role
Write the signature of the device authenticity certificate.
Access condition
Never (permanently disabled after manufacturing).
Note
This instruction is permanently disabled when the device exits the factory (by setting bit 3 “Lock Authenticity Seal” in the Fuses). Once this is done, calling this instruction returns an error.
Command
Field | Value |
---|---|
CLA | 58 (CONTROL) |
INS | E4 |
Data | Signature of the device authenticity certificate |
Response
None