restrict_link_by_key_or_keyring_chain  511 crypto/asymmetric_keys/asymmetric_type.c 			link_fn = restrict_link_by_key_or_keyring_chain;
restrict_link_by_key_or_keyring_chain   67 include/crypto/public_key.h extern int restrict_link_by_key_or_keyring_chain(struct key *trust_keyring,