Check for invalid public and private keys.

diff --git a/lib/silcske/silcske.c b/lib/silcske/silcske.c
index 952a5bd8380990e59a13408d372bd7ad94e86b10..bc84849fdea90740a5597a0b0029f48380c07492 100644 (file)
--- a/lib/silcske/silcske.c
+++ b/lib/silcske/silcske.c
@@ -615,6 +615,11 @@ SilcSKEStatus silc_ske_responder_finish(SilcSKE ske,
 
   SILC_LOG_DEBUG(("Start"));
 
+  if (!public_key || !private_key) {
+    status = SILC_SKE_STATUS_ERROR;
+    goto err;
+  }
+
   SILC_LOG_DEBUG(("Computing KEY = e ^ x mod p"));
 
   /* Compute the shared secret key */