--- a/signkey.c	Thu Nov 14 22:39:27 2013 +0800
+++ b/signkey.c	Mon Nov 25 23:08:33 2013 +0800
@@ -508,14 +508,13 @@
  * signature blob */
 int buf_verify(buffer * buf, sign_key *key, buffer *data_buf) {
 	
-	unsigned int bloblen;
 	unsigned char * type_name = NULL;
 	unsigned int type_name_len = 0;
 	enum signkey_type type;
 
 	TRACE(("enter buf_verify"))
 
-	bloblen = buf_getint(buf);
+	buf_getint(buf); /* blob length */
 	type_name = buf_getstring(buf, &type_name_len);
 	type = signkey_type_from_name(type_name, type_name_len);
 	m_free(type_name);