[PATCH 05/10] KEYS: Add identifier pointers to public_key_signature struct

[David Howells]

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 <dhowe...@redhat.com>
---

 crypto/asymmetric_keys/public_key.c |    2 ++
 include/crypto/public_key.h         |    1 +
 2 files changed, 3 insertions(+)

diff --git a/crypto/asymmetric_keys/public_key.c 
b/crypto/asymmetric_keys/public_key.c
index e537aaeafdbf..f5b4824b7c77 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -72,6 +72,8 @@ void public_key_free(struct public_key *key,
        }
 
        if (sig) {
+               for (i = 0; i < ARRAY_SIZE(sig->auth_ids); i++)
+                       kfree(sig->auth_ids[i]);
                for (i = 0; i < ARRAY_SIZE(sig->mpi); i++)
                        mpi_free(sig->mpi[i]);
                kfree(sig->digest);
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index a3f8f8268e23..ed86bfb23e89 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -76,6 +76,7 @@ struct public_key {
  * Public key cryptography signature data
  */
 struct public_key_signature {
+       struct asymmetric_key_id *auth_ids[2];
        u8 *digest;
        u8 digest_size;                 /* Number of bytes in digest */
        u8 nr_mpi;                      /* Occupancy of mpi[] */

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