linux-kernel - Re: [PATCH] crypto: pkcs7: remove md4 md5 x.509 support

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Message-ID: <ZR6P1UXERozcUnKW@gondor.apana.org.au>
Date:   Thu, 5 Oct 2023 18:28:37 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Dimitri John Ledkov <dimitri.ledkov@...onical.com>
Cc:     David Howells <dhowells@...hat.com>,
        "David S. Miller" <davem@...emloft.net>, keyrings@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: pkcs7: remove md4 md5 x.509 support

On Mon, Oct 02, 2023 at 12:57:15AM +0100, Dimitri John Ledkov wrote:
> Remove support for md4 md5 hash and signatures in x.509 certificate
> parsers, pkcs7 signature parser, authenticode parser.
> 
> All of these are insecure or broken, and everyone has long time ago
> migrated to alternative hash implementations.
> 
> Also remove md2 & md3 oids which have already didn't have support.
> 
> This is also likely the last user of md4 in the kernel, and thus
> crypto/md4.c and related tests in tcrypt & testmgr can likely be
> removed. Other users such as cifs smbfs ext modpost sumversions have
> their own internal implementation as needed.
> 
> Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@...onical.com>
> ---
>  crypto/asymmetric_keys/mscode_parser.c    | 6 ------
>  crypto/asymmetric_keys/pkcs7_parser.c     | 6 ------
>  crypto/asymmetric_keys/x509_cert_parser.c | 6 ------
>  include/linux/oid_registry.h              | 8 --------
>  4 files changed, 26 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