linux-kernel - Re: [PATCH] kernel:gen_kheaders:Replace md5sum to sha256sum

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Yy4l8AVyoEJtV+Vm@Gentoo>
Date:   Sat, 24 Sep 2022 03:02:32 +0530
From:   Bhaskar Chowdhury <bhaskarlinux73@...il.com>
To:     Daniel Mentz <danielmentz@...gle.com>
Cc:     Bhaskar Chowdhury <unixbhaskar@...il.com>, masahiroy@...nel.org,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kernel:gen_kheaders:Replace md5sum to sha256sum

On 11:12 Fri 23 Sep 2022, Daniel Mentz wrote:
>On Fri, Sep 23, 2022 at 4:06 AM Bhaskar Chowdhury <unixbhaskar@...il.com> wrote:
>> Thought to apply a better encryption mechanism.
>
>MD5 and SHA256 are secure (or, in the case of MD5, not so secure) hash
>algorithms, not encryption mechanisms.
>
>> Replace all occurance of md5sum to sha256sum .
>
>Looking at this script, I'm not convinced that it relies on MD5 being
>a cryptophically secure hash function. It appears to me as if this
>script uses MD5 to simply detect innocent changes to a set of files as
>opposed to guarding against malicious attacks. I also found that
>sha256sum takes almost three times longer than md5sum. So, in the
>absence of security requirements, md5sum might actually be the better
>choice because it's faster.

Al righto! Then...no issues, give it a pass.
--
Thanks,
Bhaskar

"Here's looking at you kid"-- Casablanca
https://about.me/unixbhaskar

Download attachment "signature.asc" of type "application/pgp-signature" (660 bytes)