linux-kernel - Re: [PATCH 2/2] tpm: use SM3 instead of SM3

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Message-ID: <c6c2337ed83c237f70716cb4c62794d1d3da31f2.camel@kernel.org>
Date:   Tue, 12 Oct 2021 18:21:57 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>,
        James Bottomley <jejb@...ux.ibm.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Jonathan Corbet <corbet@....net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Peter Huewe <peterhuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>,
        David Howells <dhowells@...hat.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Jerry Snitselaar <jsnitsel@...hat.com>,
        linux-integrity@...r.kernel.org, keyrings@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 2/2] tpm: use SM3 instead of SM3_256

On Sat, 2021-10-09 at 21:08 +0800, Tianjia Zhang wrote:
> According to https://tools.ietf.org/id/draft-oscca-cfrg-sm3-01.html,
> SM3 always produces a 256-bit hash value and there are no plans for
> other length development, so there is no ambiguity in the name of sm3.
> 
> Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>

This is not enough to make any changes because the commit message
does not describe what goes wrong if we keep it as it was.

/Jarkko