Re: [Teep] OTrP Signature Security issue

Carsten Bormann <cabo@tzi.org> Wed, 21 November 2018 10:12 UTC

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From: Carsten Bormann <cabo@tzi.org>
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Date: Wed, 21 Nov 2018 11:11:56 +0100
Cc: Hannes Tschofenig <Hannes.Tschofenig@arm.com>, "teep@ietf.org" <teep@ietf.org>
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To: Anders Rundgren <anders.rundgren.net@gmail.com>
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Subject: Re: [Teep] OTrP Signature Security issue
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On Nov 21, 2018, at 11:06, Anders Rundgren <anders.rundgren.net@gmail.com> wrote:
> 
> In both JWS and COSE the original message is "destroyed" (converted into an alien format) and must be recreated before it can be acted upon.

Embedding ≠ destroying.

(OK, the JWS one is a bit less easy to de-embed, but still trivial.)

The whole discussion is a red herring.

Grüße, Carsten