Re: [lamps] [EXTERNAL] Re: I-D Action: draft-ietf-lamps-cms-sphincs-plus-02.txt

[John Gray <[e-mail]>]

I was looking at the OID assignments, and noticed for 128s and 128f you specified shake and sha2.   However, you don't specify sha2 for 192 and 256.  I know that the final assignments will probably look much different, but I was just curious as to why the use of sha2 was limited to the 128 size?

Thanks,

John Gray
Entrust

-----Original Message-----
From: Spasm <[e-mail]> On Behalf Of Russ Housley
Sent: Wednesday, May 17, 2023 11:05 AM
To: LAMPS <[e-mail]>
Subject: [EXTERNAL] Re: [lamps] I-D Action: draft-ietf-lamps-cms-sphincs-plus-02.txt

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This is a fairly significant update.  It goes from three OIDs to eight OIDs for the SPHINCS+ algorithms.  Of course, NIST has the final say on how many will actually be allocated.

Russ


> On May 17, 2023, at 11:02 AM, [e-mail] wrote:
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories. This Internet-Draft is a work item of the Limited
> Additional Mechanisms for PKIX and SMIME (LAMPS) WG of the IETF.
>
>   Title           : Use of the SPHINCS+ Signature Algorithm in the Cryptographic Message Syntax (CMS)
>   Authors         : Russ Housley
>                     Scott Fluhrer
>                     Panos Kampanakis
>                     Bas Westerbaan
>   Filename        : draft-ietf-lamps-cms-sphincs-plus-02.txt
>   Pages           : 14
>   Date            : 2023-05-17
>
> Abstract:
>   SPHINCS+ is a stateless hash-based signature scheme.  This document
>   specifies the conventions for using the SPHINCS+ stateless hash-based
>   signature algorithm with the Cryptographic Message Syntax (CMS).  In
>   addition, the algorithm identifier and public key syntax are
>   provided.
>
> The IETF datatracker status page for this Internet-Draft is:
> https://urldefense.com/v3/__https://datatracker.ietf.org/doc/draft-iet
> f-lamps-cms-sphincs-plus/__;!!FJ-Y8qCqXTj2!fhq0txb2yHYuBCt6QomrHO3y04j
> OgLNf-pJ4o7hpi6dF4QMHS1CSMCnaDakX28nvYmCemG7R0QeM1ycXf-EkNWBJ$
>
> There is also an HTML version available at:
> https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf
> -lamps-cms-sphincs-plus-02.html__;!!FJ-Y8qCqXTj2!fhq0txb2yHYuBCt6QomrH
> O3y04jOgLNf-pJ4o7hpi6dF4QMHS1CSMCnaDakX28nvYmCemG7R0QeM1ycXf6vhjMNF$
>
> A diff from the previous version is available at:
> https://urldefense.com/v3/__https://author-tools.ietf.org/iddiff?url2=
> draft-ietf-lamps-cms-sphincs-plus-02__;!!FJ-Y8qCqXTj2!fhq0txb2yHYuBCt6
> QomrHO3y04jOgLNf-pJ4o7hpi6dF4QMHS1CSMCnaDakX28nvYmCemG7R0QeM1ycXf5tcGW
> 8C$
>
> Internet-Drafts are also available by rsync at
> rsync.ietf.org::internet-drafts

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