KEYS: Skip key state checks when checking for possession.
KEYS: Use bool in make_key_ref() and is_key_possessed().
KEYS: key_is_dead() should take a const key pointer argument.
KEYS: Consolidate the concept of an 'index key' for key access.
KEYS: Introduce a search context structure.
KEYS: Search for auth-key by name rather than target key ID.
KEYS: Define a __key_get() wrapper to use rather than
atomic_inc().
KEYS: Drop the permissions argument from __keyring_search_one().
Add a generic associative array implementation.
KEYS: Expand the capacity of a keyring.
KEYS: Implement a big key type that can save to tmpfs.
KEYS: Add per-user_namespace registers for persistent per-UID
kerberos caches.
KEYS: Load *.x509 files into kernel keyring.
KEYS: Separate the kernel signature checking keyring from
module signing.
KEYS: Add a 'trusted' flag and a 'trusted only' flag.
KEYS: Rename public key parameter name arrays.
KEYS: Move the algorithm pointer array from x509 to
public_key.c.
KEYS: Store public key algo ID in public_key struct.
KEYS: Split public_key_verify_signature() and make available.
KEYS: Store public key algo ID in public_key_signature struct.