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Re: [Teep] [Suit] Unique Identifier of TA_ID in TA_LIST for TEEP_QueryResponse

Hannes Tschofenig <Hannes.Tschofenig@arm.com> Mon, 18 May 2020 10:20 UTC

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From: Hannes Tschofenig <Hannes.Tschofenig@arm.com>
To: Benjamin Kaduk <kaduk@mit.edu>, Akira Tsukamoto <akira.tsukamoto@aist.go.jp>
CC: Mingliang Pei <mingliang.pei@broadcom.com>, teep <teep@ietf.org>, "suit@ietf.org" <suit@ietf.org>
Thread-Topic: [Suit] [Teep] Unique Identifier of TA_ID in TA_LIST for TEEP_QueryResponse
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Date: Mon, 18 May 2020 10:20:20 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teep/xr0b_6HgHP9S0WUEeUryT1ep8JU>
Subject: Re: [Teep] [Suit] Unique Identifier of TA_ID in TA_LIST for TEEP_QueryResponse
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Hi Ben,

BCP 201 does not apply here because we are not using the algorithm for use with cryptography but rather to shorten the identifier while still reducing name collisions.

Ciao
Hannes

-----Original Message-----
From: Benjamin Kaduk <kaduk@mit.edu>
Sent: Monday, May 18, 2020 8:20 AM
To: Akira Tsukamoto <akira.tsukamoto@aist.go.jp>
Cc: Mingliang Pei <mingliang.pei@broadcom.com>; Hannes Tschofenig <Hannes.Tschofenig@arm.com>; teep <teep@ietf.org>; suit@ietf.org
Subject: Re: [Suit] [Teep] Unique Identifier of TA_ID in TA_LIST for TEEP_QueryResponse

On Wed, May 13, 2020 at 08:17:39PM +0900, Akira Tsukamoto wrote:
>
> We have to specify which sha256 or anything else to use.

Note that BCP 201 says you have to be able to support multiple algorithms.

-Ben
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