extern key_ref_t find_key_to_update(key_ref_t keyring_ref,
const struct keyring_index_key *index_key);
-extern struct key *keyring_search_instkey(struct key *keyring,
- key_serial_t target_id);
-
-extern int iterate_over_keyring(const struct key *keyring,
- int (*func)(const struct key *key, void *data),
- void *data);
-
struct keyring_search_context {
struct keyring_index_key index_key;
const struct cred *cred;