Re: Re- Hierarchies and Webs of

• To: owner-www-security@ns2.rutgers.edu, www-security@ns2.rutgers.edu
• Subject: Re: Re- Hierarchies and Webs of
• From: Rich Salz <rsalz@osf.org>
• Date: Wed, 26 Apr 95 00:07:06 -0400

>The "hierarchical approach" you are referring to is that used by PEM, based on
>X.509.  This builds on a lot of structure to constrain what you refer to as
>"transitivity".

Yes, classic PEM depended on Internet-wide X.500 deployment.  And as
a result it is for all intents and purposes dead. The only "life" being
shown in the mailing list is for MOSS, which is a Mime use of PEM headers
and algorithms to implement PGP-style trust model.

As for other comments (nedbob?):  yes, if every CA cross-certifies then
you've got a web, but there is no requirement.  Just becuase the two *can*
be isomorphs doesn't mean they will be.
	/r$

• Re: Re- Hierarchies and Webs of
• From: John Linn <linn@cam.ov.com>

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