Re: [Ace] Token (In)Security

Stefanie Gerdes <gerdes@tzi.de> Tue, 18 December 2018 14:48 UTC

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From: Stefanie Gerdes <gerdes@tzi.de>
To: Hannes Tschofenig <Hannes.Tschofenig@arm.com>, Ludwig Seitz <ludwig.seitz@ri.se>, Jim Schaad <ietf@augustcellars.com>, "ace@ietf.org" <ace@ietf.org>
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Date: Tue, 18 Dec 2018 15:48:45 +0100
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Subject: Re: [Ace] Token (In)Security
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Hi Hannes,

I think the text is much better now. Protecting the integrity of
self-contained tokens is not sufficient, however. The RS must not only
ascertain that the token is integrity-protected but also validate its
authenticity, i.e., that it stems from an authorized AS.

Viele Grüße
Steffi