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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