Re: [pkix] How to enforce domain constraints on intermediate CA?

Jeffrey Walton <noloader@gmail.com> Sun, 22 February 2015 01:14 UTC

Return-Path: <noloader@gmail.com>
X-Original-To: pkix@ietfa.amsl.com
Delivered-To: pkix@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C38E01A016A for <pkix@ietfa.amsl.com>; Sat, 21 Feb 2015 17:14:28 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, SPF_PASS=-0.001] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id njWhOV1HfRqL for <pkix@ietfa.amsl.com>; Sat, 21 Feb 2015 17:14:26 -0800 (PST)
Received: from mail-ie0-x236.google.com (mail-ie0-x236.google.com [IPv6:2607:f8b0:4001:c03::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4E5BD1A0018 for <pkix@ietf.org>; Sat, 21 Feb 2015 17:14:26 -0800 (PST)
Received: by iecrp18 with SMTP id rp18so16173281iec.1 for <pkix@ietf.org>; Sat, 21 Feb 2015 17:14:25 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=wxPuKBPXOpa+JiGQE8FtwQVa+HcLGljB8O5GgNsuf70=; b=Da2kJJIrYthqcVBTaNCsxnLgJ2ZmQp1gKyP8b0AJ9fEV2i9AI4klckDbLR5kmjmn27 QXhUycSvqm+FurGIoh0SgwMZweGPWR6xjBt3TrCJdbSkuEykLh1Ke9LLBqdFrTV2YL1R 3/LZ+CzEcJ4OdlwY6DlplX0Q4Z80faGBjq76HUP/T9y+C/pxxgWwNWJMtL/HxpRMcMtW CUBB4bFfReSNChEuaj/luiztXF5HJrfiuSCEvW6IfAeQxMA0+t/dbwWyygBzQhBRJuDT BMGZy4cbOOUo6f6lh+qJ63hR4DCmi64npI/MVQ8pi+oRzEcnLyDU81i41LefA5+bncr+ 7mAg==
MIME-Version: 1.0
X-Received: by 10.107.131.224 with SMTP id n93mr6054425ioi.66.1424567665582; Sat, 21 Feb 2015 17:14:25 -0800 (PST)
Received: by 10.36.81.15 with HTTP; Sat, 21 Feb 2015 17:14:25 -0800 (PST)
In-Reply-To: <a033c72fb6564fac877a2b6c8a510d93@svaexch1.cygnacom.com>
References: <CAH8yC8nryWuiope0ftBS+kjpBp3bYbmM8KX0m0U1Ar+=qDj10g@mail.gmail.com> <a033c72fb6564fac877a2b6c8a510d93@svaexch1.cygnacom.com>
Date: Sat, 21 Feb 2015 20:14:25 -0500
Message-ID: <CAH8yC8nQ8o4DEmp2vR5NV-N-pD=QdxB8fVWN1Cn1+S8WWSAR5g@mail.gmail.com>
From: Jeffrey Walton <noloader@gmail.com>
To: Santosh Chokhani <schokhani@cygnacom.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: <http://mailarchive.ietf.org/arch/msg/pkix/MVMVrrnXagW9aw1IZVicNBtdHHs>
Cc: PKIX <pkix@ietf.org>
Subject: Re: [pkix] How to enforce domain constraints on intermediate CA?
X-BeenThere: pkix@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: noloader@gmail.com
List-Id: PKIX Working Group <pkix.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/pkix>, <mailto:pkix-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/pkix/>
List-Post: <mailto:pkix@ietf.org>
List-Help: <mailto:pkix-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/pkix>, <mailto:pkix-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 22 Feb 2015 01:14:28 -0000

On Sat, Feb 21, 2015 at 7:14 PM, Santosh Chokhani
<schokhani@cygnacom.com> wrote:
> I would think this can be done via using name constraints extension and asserting appropriate DNS name spaces

Ah, thanks. I was looking for a policy object, and not an extension.
Sorry about that.

Jeff

> -----Original Message-----
> From: pkix [mailto:pkix-bounces@ietf.org] On Behalf Of Jeffrey Walton
> Sent: Saturday, February 21, 2015 4:51 PM
> To: PKIX
> Subject: [pkix] How to enforce domain constraints on intermediate CA?
>
> I have an internal PKI, and I'm trying to figure out how to apply a policy that constrains names to the one used internally. I've read through RFCs like 5280, but its not clear to me how to do it.
>
> How does one apply a domain policy constraint to an intermediate CA under PKIX?
>