1 files changed, 6 insertions, 3 deletions

diff --git a/src/lib/libcrypto/objects/obj_xref.c b/src/lib/libcrypto/objects/obj_xref.c
index 152eca5c67..9f744bcede 100644
--- a/src/lib/libcrypto/objects/obj_xref.c
+++ b/src/lib/libcrypto/objects/obj_xref.c
@@ -110,8 +110,10 @@ int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
 #endif
         if (rv == NULL)
                 return 0;
-        *pdig_nid = rv->hash_id;
-        *ppkey_nid = rv->pkey_id;
+        if (pdig_nid)
+                *pdig_nid = rv->hash_id;
+        if (ppkey_nid)
+                *ppkey_nid = rv->pkey_id;
         return 1;
         }
 
@@ -144,7 +146,8 @@ int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
 #endif
         if (rv == NULL)
                 return 0;
-        *psignid = (*rv)->sign_id;
+        if (psignid)
+                *psignid = (*rv)->sign_id;
         return 1;
         }