rollbackResistant

Legacy rollback-resistant flag (keymaster attestation versions 1–2).

This is the predecessor of rollbackResistance ([303]), and is not present in newer schemas.

Corresponds to the legacy KM_TAG_ROLLBACK_RESISTANT authorization tag, which uses a tag ID value of 703.

ASN.1: rollbackResistant [703] EXPLICIT NULL OPTIONAL. Present in key attestation versions 1, 2 only.

Note: in this API, presence/absence of this field is represented by null vs non-null. See RollbackResistent.explicitTag.