Index: parse.y
===================================================================
RCS file: /home/ncvs/src/usr.sbin/setkey/parse.y,v
retrieving revision 1.6
diff -u -r1.6 parse.y
--- parse.y	31 Mar 2004 18:38:02 -0000	1.6
+++ parse.y	13 May 2004 14:51:01 -0000
@@ -322,7 +322,12 @@
 			p_alg_enc = $1;
 
 			p_key_enc_len = 0;
-			p_key_enc = NULL;
+			p_key_enc = "";
+			if (ipsec_check_keylen(SADB_EXT_SUPPORTED_ENCRYPT,
+			    p_alg_enc, PFKEY_UNUNIT64(p_key_enc_len)) < 0) {
+				yyerror(ipsec_strerror());
+				return -1;
+			}
 		}
 	|	ALG_ENC key_string {
 			if ($1 < 0) {