===== net/ipv6/esp6.c 1.36 vs edited =====
--- 1.36/net/ipv6/esp6.c	2004-08-12 19:59:52 +10:00
+++ edited/net/ipv6/esp6.c	2004-08-15 05:54:35 +10:00
@@ -302,8 +302,9 @@
 {
 	struct esp_data *esp = NULL;
 
+	/* null auth and encryption can have zero length keys */
 	if (x->aalg) {
-		if (x->aalg->alg_key_len == 0 || x->aalg->alg_key_len > 512)
+		if (x->aalg->alg_key_len > 512)
 			goto error;
 	}
 	if (x->ealg == NULL)