x.509 v4?

From: arnold baik (verdi@netsecuretech.com)
Date: 10/26/01


Message-ID: <02dd01c15df8$33dae2a0$1e09b3d3@cns.hananet.net>
From: "arnold baik" <verdi@netsecuretech.com>
To: <focus-sun@securityfocus.com>
Subject: x.509 v4?
Date: Fri, 26 Oct 2001 17:28:34 +0900

Hi, everyone!
I understand current version of X.509 is version 3 for PKI certificate.
But is there X.509 v4 ? is it available? IETF released X.509 v4?

Thanks
from Arnold Baek