Re: [certid] Please explicitly disallow unvetted info in subject names

Paul Hoffman <phoffman@imc.org> Tue, 08 June 2010 19:02 UTC

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Date: Tue, 8 Jun 2010 12:01:51 -0700
To: Nelson B Bolyard <nelson@bolyard.me>, certid@ietf.org
From: Paul Hoffman <phoffman@imc.org>
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Subject: Re: [certid] Please explicitly disallow unvetted info in subject names
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At 10:48 AM -0700 6/8/10, Nelson B Bolyard wrote:
>There are a large number of CAs that follow the practice of vetting SOME
>of the information they put into cert subject names, but not all, and in
>fact deliberately making no attempt to vet certain attributes at all.
>
>Examples known to me include:
>
>OU names: typically not vetted at all
>
>CNs other than the last (most specific) one, if it is a DNS name.
>
>Maybe it's pointless to try, but can we write into this RFC that conforming
>certs contain NO unvetted attributes in the subject name nor in any Subject
>Alt Name attributes?

Their vetting practices are supposed to be listed in their CPSs, so a CA can always say "we do exactly what we say we do" because they know that no one reads (or can read) their CPS.

Having said that, including this practice as a warning in the document seems like a good idea.