diff --git a/crypto/asymmetric_keys/signature.c b/crypto/asymmetric_keys/signature.c
index 3beee3976ed5327f13f64b2afb4497a7e963ed4d..11b7ba1709041864868a6ca2b05680a20b5fb3f9 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);
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index 19f557ca50bab268f187c10f74107dc21352434e..2f5de5c1a3a08014f8448f7a4f7210fe35b48b23 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -47,6 +47,7 @@ extern void public_key_free(struct public_key *key);
  * Public key cryptography signature data
  */
 struct public_key_signature {
+	struct asymmetric_key_id *auth_ids[2];
 	u8 *s;			/* Signature */
 	u32 s_size;		/* Number of bytes in signature */
 	u8 *digest;