don't deref ops, they might be null.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24690 ec53bebd-3082-4978-b11e-865c3cabbd6b
2009-02-14 04:17:27 +00:00
parent b7c044ec6b
commit ea8cb168b3
1 changed files with 6 additions and 1 deletions
--- a/lib/hx509/crypto.c
+++ b/lib/hx509/crypto.c
@@ -1453,9 +1453,14 @@ find_sig_alg(const heim_oid *oid)
 static const AlgorithmIdentifier *
 alg_for_privatekey(const hx509_private_key pk, int type)
 {
-    const heim_oid *keytype = pk->ops->key_oid;
+    const heim_oid *keytype;
    unsigned int i;

+    if (pk->ops == NULL)
+	return NULL;
+
+    keytype = pk->ops->key_oid;
+
    for (i = 0; sig_algs[i]; i++) {
 	if (sig_algs[i]->key_oid == NULL)
 	    continue;