[14141] in cryptography@c2.net mail archive
Re: Is cryptography where security took the wrong branch?
daemon@ATHENA.MIT.EDU (bmanning@karoshi.com)
Wed Sep 10 13:18:55 2003
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
From: bmanning@karoshi.com
To: lynn@garlic.com (Anne & Lynn Wheeler)
Date: Wed, 10 Sep 2003 09:57:41 -0700 (PDT)
Cc: bmanning@karoshi.com, lynn@garlic.com (Anne & Lynn Wheeler),
cryptography@metzdowd.com
In-Reply-To: <4.2.2.20030910074520.00d1d100@mail.earthlink.net> from "Anne & Lynn Wheeler" at Sep 10, 2003 08:14:14 AM
>
> At 03:39 AM 9/10/2003 -0700, bmanning@karoshi.com wrote:
> > There are some other problems w/ using the DNS.
> > No revolkation process.
> > DNS caching
> > third-party trust (DNS admins != delegation holder)
>
> Given high value &/or low trust ... relying parties still have option of
> directly contacting root authority. And as outline, the root authority is
> also the root authority for the CA/PKIs. If you attack the root trust
> authority with false information .... then all subsequent trust operations
> flowing from that false information is suspect. Domain name system still
> has some exploits against the root database resulting in false information
> .... but since that is the root for both DNS as well as CA/PKIs generating
> SSL domain name certificates .... it is a common failure point for both
> infrastructures. It needs to be fixed, in order to improve trust on either
> the DNS side or the CA/PKI side (doesn't matter how thick you make the
> vault door .... if somebody forgot to complete the back wall on the vault).
ok... does anyone else want to "touch" a secured DNS system
that has some parts fo the tree fully signed? Its a way to
get some emperical understanding of how interesting/hard
it is to hammer the DNS into a PKI-like thing.
www.rs.net has some information.
>
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