updates.

[silc.git] / lib / silcske / silcske.c

diff --git a/lib/silcske/silcske.c b/lib/silcske/silcske.c
index 3fef422210bcd3fba9afb023b94889c95c721b85..8bd412a71843864b735400baf6becb3859b4491a 100644 (file)
--- a/lib/silcske/silcske.c
+++ b/lib/silcske/silcske.c
@@ -1425,6 +1425,9 @@ silc_ske_process_key_material_data(unsigned char *data,
 
   SILC_LOG_DEBUG(("Start"));
 
+  if (!req_iv_len || !req_enc_key_len || !req_hmac_key_len)
+    return SILC_SKE_STATUS_ERROR;
+
   buf = silc_buffer_alloc(1 + data_len);
   silc_buffer_pull_tail(buf, SILC_BUFFER_END(buf));
   silc_buffer_format(buf,