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Re: validity time suggestion

To: Carl Ellison <cme@cybercash.com>
Subject: Re: validity time suggestion
From: Bill Sommerfeld <sommerfeld@apollo.hp.com>
Date: Mon, 25 Nov 1996 16:30:44 -0500
Cc: spki@c2.net
In-Reply-To: cme's message of Mon, 25 Nov 1996 15:57:33 -0500. <3.0b33.32.19961125155730.007147d0@cybercash.com>
Sender: owner-spki@c2.net

> An option for a certificate validity period could be "valid until event X
> occurs" (the example event used was the commit or abort of a transaction).
> 
> This sounds like a fine idea to me.
> 
> Reactions?

Good idea as long as you can figure out how to name "event X" in an
unambiguous way (so that certificate evaluators can know when to
approve/deny/give up).

I also think you might want a "not valid after time T" in some cases
as well.

Conceptually, in this scheme, you can implement CRL's as a "valid
until xxx appears in a CRL issued by CA"

					- Bill

References:

validity time suggestion

From: Carl Ellison <cme@cybercash.com>

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