Biostar B450MH Версия 6.3 [30/34] Key management

30 | 5. Security Menu

Secure Boot

Secure Boot acvated when Plaorm Key(PK) is enrolled, System mode is User/Deployed, and

CSM funcon is disabled.

Opons: Disabled (Default) / Enabled

Key Management

Restore Factory keys

Force System to User Mode - install all Factory Default Keys. Change takes eect aer reboot.

Restore To Setup Mode

Delete all Secure Boot Key databases from NVRAM.

Plaorm Key (PK)

Set new – Allows you set new PK le.

Key Exchange Keys

Set new Key – Allows you set new KEK le.

Append Key – Allows you append Var to KEK.

Authorized Signatures

Set new Key – Allows you set new DB le.

Append Key – Allows you append Var to DB.

Forbidden Signatures

Set new Key – Allows you set new DBX le.

Append Key – Allows you append Var to DBX.

Authorized Timestamps

Set new Key – Allows you set new DBT le.

Append Key – Allows you append Var to DBT.

OsRecovery Signatures

Set new Key – Allows you set new DBT le.

Append Key – Allows you append Var to DBT.