WRITE_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