KEYS: Add identifier pointers to public_key_signature struct

Add key identifier pointers to public_key_signature struct so that they can
be used to retain the identifier of the key to be used to verify the
signature in both PKCS#7 and X.509.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/crypto/asymmetric_keys/signature.c b/crypto/asymmetric_keys/signature.c
index 3beee3976ed5..11b7ba170904 100644
--- a/crypto/asymmetric_keys/signature.c
+++ b/crypto/asymmetric_keys/signature.c
@@ -24,7 +24,11 @@
  */
 void public_key_signature_free(struct public_key_signature *sig)
 {
+        int i;
+
         if (sig) {
+                for (i = 0; i < ARRAY_SIZE(sig->auth_ids); i++)
+                        kfree(sig->auth_ids[i]);
                 kfree(sig->s);
                 kfree(sig->digest);
                 kfree(sig);