3.7 PUF Operation Restrictions

The PUF driver enables configuration of restrictions on various features of the PUF module:

• User context 0 and 1: set bits to prevent other PUF keys from generating with the same context bit set
• Disable commands: Test PUF, Test Memory, Skip Memory Test, Generate Random, Wrap, Wrap Generated Random, Unwrap, Get Key, Stop, Reconstruct, Start, and Enroll
• Access control: privileged or unprivileged
• Clear the PUF key