Values:
ATTESTATION_FORMAT_UNSPECIFIED (0):
Not specified.
CAVIUM_V1_COMPRESSED (3):
Cavium HSM attestation compressed with gzip.
Note that this format is defined by Cavium and
subject to change at any time.
See
https://www.marvell.com/products/security-solutions/nitrox-hs-adapters/software-key-attestation.html.
CAVIUM_V2_COMPRESSED (4):
Cavium HSM attestation V2 compressed with
gzip. This is a new format introduced in
Cavium's version 3.2-08.