allApplications
"All applications" flag (legacy / keymaster).
This tag is part of older schema versions and is not present in KeyMint (attestation versions 100+).
Corresponds to the legacy KM_TAG_ALL_APPLICATIONS / Tag::ALL_APPLICATIONS authorization tag, which uses a tag ID value of 600.
ASN.1: allApplications [600] 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 AllApplications.explicitTag.