From fd35f192e42cf7c0df1e2480bfd5965e35b2f4ca Mon Sep 17 00:00:00 2001 From: Mimi Zohar Date: Fri, 9 Nov 2018 00:53:40 -0500 Subject: integrity: support new struct public_key_signature encoding field On systems with IMA-appraisal enabled with a policy requiring file signatures, the "good" signature values are stored on the filesystem as extended attributes (security.ima). Signature verification failure would normally be limited to just a particular file (eg. executable), but during boot signature verification failure could result in a system hang. Defining and requiring a new public_key_signature field requires all callers of asymmetric signature verification to be updated to reflect the change. This patch updates the integrity asymmetric_verify() caller. Fixes: 82f94f24475c ("KEYS: Provide software public key query function [ver #2]") Signed-off-by: Mimi Zohar Cc: David Howells Acked-by: Denis Kenzior Signed-off-by: James Morris --- security/integrity/digsig_asymmetric.c | 1 + 1 file changed, 1 insertion(+) diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c index 6dc075144508..d775e03fbbcc 100644 --- a/security/integrity/digsig_asymmetric.c +++ b/security/integrity/digsig_asymmetric.c @@ -106,6 +106,7 @@ int asymmetric_verify(struct key *keyring, const char *sig, pks.pkey_algo = "rsa"; pks.hash_algo = hash_algo_name[hdr->hash_algo]; + pks.encoding = "pkcs1"; pks.digest = (u8 *)data; pks.digest_size = datalen; pks.s = hdr->sig; -- cgit v1.2.3-59-g8ed1b