On Mon, 2022-03-07 at 18:06 +0000, Eric Snowberg wrote: > > >> diff --git a/crypto/asymmetric_keys/restrict.c b/crypto/asymmetric_keys/restrict.c > >> index 6b1ac5f5896a..49bb2ea7f609 100644 > >> --- a/crypto/asymmetric_keys/restrict.c > >> +++ b/crypto/asymmetric_keys/restrict.c > >> @@ -108,6 +108,49 @@ int restrict_link_by_signature(struct key *dest_keyring, > >> return ret; > >> } > >> +/** > >> + * restrict_link_by_ca - Restrict additions to a ring of CA keys > >> + * @dest_keyring: Keyring being linked to. > >> + * @type: The type of key being added. > >> + * @payload: The payload of the new key. > >> + * @trust_keyring: Unused. > >> + * > >> + * Check if the new certificate is a CA. If it is a CA, then mark the new > >> + * certificate as being ok to link. > > > > CA = root CA here, right? > > Yes, I’ll update the comment Updating the comment is not enough. There's an existing function named "x509_check_for_self_signed()" which determines whether the certificate is self-signed. thanks, Mimi
