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Date: Thu, 22 Dec 2016 16:05:53 +0100
From: Hannes Frederic Sowa <hannes@...essinduktion.org>
To: "Jason A. Donenfeld" <Jason@...c4.com>,
kernel-hardening@...ts.openwall.com
Cc: Theodore Ts'o <tytso@....edu>, Andy Lutomirski <luto@...capital.net>,
Netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
David Laight <David.Laight@...lab.com>, Eric Dumazet <edumazet@...gle.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Eric Biggers <ebiggers3@...il.com>, Tom Herbert <tom@...bertland.com>,
Andi Kleen <ak@...ux.intel.com>, "David S. Miller" <davem@...emloft.net>,
Jean-Philippe Aumasson <jeanphilippe.aumasson@...il.com>
Subject: Re: Re: [PATCH v7 3/6] random: use SipHash in
place of MD5
On 22.12.2016 14:10, Jason A. Donenfeld wrote:
> On Thu, Dec 22, 2016 at 1:47 PM, Hannes Frederic Sowa
> <hannes@...essinduktion.org> wrote:
>> following up on what appears to be a random subject: ;)
>>
>> IIRC, ext4 code by default still uses half_md4 for hashing of filenames
>> in the htree. siphash seems to fit this use case pretty good.
>
> I saw this too. I'll try to address it in v8 of this series.
This change would need a new version of the ext4 super block, because
you should not change existing file systems.
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