linux-kernel - Re: [PATCH] crypto: Limit MODULE_SIG_KEY_TYPE

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Message-ID: <ZTIWK5qidPSVKUEi@gondor.apana.org.au>
Date:   Fri, 20 Oct 2023 13:54:51 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Dimitri John Ledkov <dimitri.ledkov@...onical.com>
Cc:     David Howells <dhowells@...hat.com>,
        David Woodhouse <dwmw2@...radead.org>,
        linux-modules@...r.kernel.org, linux-crypto@...r.kernel.org,
        mcgrof@...nel.org, keyrings@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: Limit MODULE_SIG_KEY_TYPE_ECDSA to SHA384 or
 SHA512

On Tue, Oct 10, 2023 at 10:27:55PM +0100, Dimitri John Ledkov wrote:
> NIST FIPS 186-5 states that it is recommended that the security
> strength associated with the bit length of n and the security strength
> of the hash function be the same, or higher upon agreement. Given NIST
> P384 curve is used, force using either SHA384 or SHA512.
> 
> Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@...onical.com>
> ---
>  certs/Kconfig | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt