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Re: [certid] open issue: wildcards in component fragments

Matt McCutchen <matt@mattmccutchen.net> Fri, 08 October 2010 01:11 UTC

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From: Matt McCutchen <matt@mattmccutchen.net>
To: mrex@sap.com
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Date: Thu, 07 Oct 2010 21:12:18 -0400
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Cc: certid@ietf.org
Subject: Re: [certid] open issue: wildcards in component fragments
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On Fri, 2010-10-08 at 02:45 +0200, Martin Rex wrote:
> btw. "f*.com" is an rfc-2818 example that _my_ implementation of rfc-2818
> matching unconditionally ignores when found in CN-ID or DNS-ID of a
> server cert--I require at least 3 labels when a wildcard is used.
> Should server-id-check promote "*.com" matching? (I think it should not).

The document does not "promote" the interpretation of "*.com" as a
wildcard, it just declines to make a special case to forbid it.  In any
case, I don't see anything wrong with allowing such matching at the
server-id-check level.  CAs are responsible for not giving an entity a
certificate that matches names the entity does not own.

-- 
Matt

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