1 files changed, 5 insertions, 0 deletions

diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index bb6a884352a5..e0b681a717ba 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -60,6 +60,11 @@ extern int restrict_link_by_key_or_keyring(struct key *dest_keyring,
                                            const union key_payload *payload,
                                            struct key *trusted);
 
+extern int restrict_link_by_key_or_keyring_chain(struct key *trust_keyring,
+                                                 const struct key_type *type,
+                                                 const union key_payload *payload,
+                                                 struct key *trusted);
+
 extern int verify_signature(const struct key *key,
                             const struct public_key_signature *sig);