From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>,
kernel-hardening@lists.openwall.com
Cc: Theodore Ts'o <tytso@mit.edu>,
Andy Lutomirski <luto@amacapital.net>,
Netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
David Laight <David.Laight@aculab.com>,
Eric Dumazet <edumazet@google.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Eric Biggers <ebiggers3@gmail.com>,
Tom Herbert <tom@herbertland.com>,
Andi Kleen <ak@linux.intel.com>,
"David S. Miller" <davem@davemloft.net>,
Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com>
Subject: Re: [kernel-hardening] Re: [PATCH v7 3/6] random: use SipHash in place of MD5
Date: Thu, 22 Dec 2016 16:05:53 +0100 [thread overview]
Message-ID: <5c306c80-3499-8b92-21d0-c197f30ce326@stressinduktion.org> (raw)
In-Reply-To: <CAHmME9r_zTHo=dxRRK6UrjJ_dKV14yYsZsxCc362z4CPoVkddw@mail.gmail.com>
On 22.12.2016 14:10, Jason A. Donenfeld wrote:
> On Thu, Dec 22, 2016 at 1:47 PM, Hannes Frederic Sowa
> <hannes@stressinduktion.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.
next prev parent reply other threads:[~2016-12-22 15:05 UTC|newest]
Thread overview: 179+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-15 20:29 [PATCH v5 0/4] The SipHash Patchset Jason A. Donenfeld
2016-12-15 20:29 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-15 20:30 ` [PATCH v5 1/4] siphash: add cryptographically secure PRF Jason A. Donenfeld
2016-12-15 20:30 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-15 22:42 ` George Spelvin
2016-12-15 22:42 ` [kernel-hardening] " George Spelvin
2016-12-15 23:00 ` Jean-Philippe Aumasson
2016-12-15 23:00 ` [kernel-hardening] " Jean-Philippe Aumasson
2016-12-15 23:28 ` George Spelvin
2016-12-15 23:28 ` [kernel-hardening] " George Spelvin
2016-12-16 17:06 ` David Laight
2016-12-16 17:06 ` [kernel-hardening] " David Laight
2016-12-16 17:06 ` David Laight
2016-12-16 17:09 ` Jason A. Donenfeld
2016-12-16 17:09 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 17:09 ` Jason A. Donenfeld
2016-12-16 3:46 ` George Spelvin
2016-12-16 3:46 ` [kernel-hardening] " George Spelvin
2016-12-16 8:08 ` Jean-Philippe Aumasson
2016-12-16 8:08 ` [kernel-hardening] " Jean-Philippe Aumasson
2016-12-16 12:39 ` Jason A. Donenfeld
2016-12-16 12:39 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 13:22 ` Jean-Philippe Aumasson
2016-12-16 13:22 ` [kernel-hardening] " Jean-Philippe Aumasson
2016-12-16 15:51 ` Jason A. Donenfeld
2016-12-16 15:51 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 17:36 ` George Spelvin
2016-12-16 17:36 ` [kernel-hardening] " George Spelvin
2016-12-16 18:00 ` Jason A. Donenfeld
2016-12-16 18:00 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 20:17 ` George Spelvin
2016-12-16 20:17 ` [kernel-hardening] " George Spelvin
2016-12-16 20:43 ` Theodore Ts'o
2016-12-16 20:43 ` [kernel-hardening] " Theodore Ts'o
2016-12-16 22:13 ` George Spelvin
2016-12-16 22:13 ` [kernel-hardening] " George Spelvin
2016-12-16 22:15 ` Andy Lutomirski
2016-12-16 22:15 ` [kernel-hardening] " Andy Lutomirski
2016-12-16 22:15 ` Andy Lutomirski
2016-12-16 22:18 ` Jason A. Donenfeld
2016-12-16 22:18 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 23:44 ` George Spelvin
2016-12-16 23:44 ` [kernel-hardening] " George Spelvin
2016-12-17 1:39 ` Jason A. Donenfeld
2016-12-17 1:39 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-17 2:15 ` George Spelvin
2016-12-17 2:15 ` [kernel-hardening] " George Spelvin
2016-12-17 15:41 ` Theodore Ts'o
2016-12-17 15:41 ` [kernel-hardening] " Theodore Ts'o
2016-12-17 16:14 ` Jeffrey Walton
2016-12-17 16:14 ` [kernel-hardening] " Jeffrey Walton
2016-12-19 17:21 ` Jason A. Donenfeld
2016-12-17 12:42 ` George Spelvin
2016-12-17 12:42 ` [kernel-hardening] " George Spelvin
2016-12-16 20:39 ` Jason A. Donenfeld
2016-12-16 20:39 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 19:47 ` Tom Herbert
2016-12-16 19:47 ` [kernel-hardening] " Tom Herbert
2016-12-16 20:41 ` George Spelvin
2016-12-16 20:41 ` [kernel-hardening] " George Spelvin
2016-12-16 20:57 ` Tom Herbert
2016-12-16 20:57 ` [kernel-hardening] " Tom Herbert
2016-12-16 20:44 ` Daniel Micay
2016-12-16 20:44 ` [kernel-hardening] " Daniel Micay
2016-12-16 21:09 ` Jason A. Donenfeld
2016-12-17 15:21 ` George Spelvin
2016-12-17 15:21 ` [kernel-hardening] " George Spelvin
2016-12-19 14:14 ` David Laight
2016-12-19 14:14 ` [kernel-hardening] " David Laight
2016-12-19 14:14 ` David Laight
2016-12-19 18:10 ` George Spelvin
2016-12-19 18:10 ` [kernel-hardening] " George Spelvin
2016-12-19 20:18 ` Jean-Philippe Aumasson
2016-12-19 20:18 ` [kernel-hardening] " Jean-Philippe Aumasson
2016-12-16 2:14 ` kbuild test robot
2016-12-16 2:14 ` [kernel-hardening] " kbuild test robot
2016-12-17 14:55 ` Jeffrey Walton
2016-12-17 14:55 ` [kernel-hardening] " Jeffrey Walton
2016-12-19 17:08 ` Jason A. Donenfeld
2016-12-19 17:08 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-19 17:19 ` Jean-Philippe Aumasson
2016-12-19 17:19 ` [kernel-hardening] " Jean-Philippe Aumasson
2016-12-15 20:30 ` [PATCH v5 2/4] siphash: add Nu{32,64} helpers Jason A. Donenfeld
2016-12-15 20:30 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 10:39 ` David Laight
2016-12-16 10:39 ` [kernel-hardening] " David Laight
2016-12-16 10:39 ` David Laight
2016-12-16 15:44 ` George Spelvin
2016-12-16 15:44 ` [kernel-hardening] " George Spelvin
2016-12-15 20:30 ` [PATCH v5 3/4] secure_seq: use SipHash in place of MD5 Jason A. Donenfeld
2016-12-15 20:30 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 9:59 ` David Laight
2016-12-16 9:59 ` [kernel-hardening] " David Laight
2016-12-16 9:59 ` David Laight
2016-12-16 15:57 ` Jason A. Donenfeld
2016-12-16 15:57 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 15:57 ` Jason A. Donenfeld
2016-12-15 20:30 ` [PATCH v5 4/4] random: " Jason A. Donenfeld
2016-12-15 20:30 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 3:03 ` [PATCH v6 0/5] The SipHash Patchset Jason A. Donenfeld
2016-12-16 3:03 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 3:03 ` [PATCH v6 1/5] siphash: add cryptographically secure PRF Jason A. Donenfeld
2016-12-16 3:03 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 3:03 ` [PATCH v6 2/5] secure_seq: use SipHash in place of MD5 Jason A. Donenfeld
2016-12-16 3:03 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 3:03 ` [PATCH v6 3/5] random: " Jason A. Donenfeld
2016-12-16 3:03 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 21:31 ` Andy Lutomirski
2016-12-16 21:31 ` [kernel-hardening] " Andy Lutomirski
2016-12-16 21:31 ` Andy Lutomirski
2016-12-16 3:03 ` [PATCH v6 4/5] md5: remove from lib and only live in crypto Jason A. Donenfeld
2016-12-16 3:03 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-16 3:03 ` [PATCH v6 5/5] syncookies: use SipHash in place of SHA1 Jason A. Donenfeld
2016-12-16 3:03 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:02 ` [PATCH v7 0/6] The SipHash Patchset Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:02 ` [PATCH v7 1/6] siphash: add cryptographically secure PRF Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 1:40 ` Stephen Hemminger
2016-12-22 1:40 ` [kernel-hardening] " Stephen Hemminger
2016-12-21 23:02 ` [PATCH v7 2/6] secure_seq: use SipHash in place of MD5 Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:02 ` [PATCH v7 3/6] random: " Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:13 ` Jason A. Donenfeld
2016-12-21 23:13 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:42 ` Andy Lutomirski
2016-12-21 23:42 ` [kernel-hardening] " Andy Lutomirski
2016-12-21 23:42 ` Andy Lutomirski
2016-12-22 2:07 ` Hannes Frederic Sowa
2016-12-22 2:07 ` [kernel-hardening] " Hannes Frederic Sowa
2016-12-22 2:07 ` Hannes Frederic Sowa
2016-12-22 2:09 ` Andy Lutomirski
2016-12-22 2:09 ` [kernel-hardening] " Andy Lutomirski
2016-12-22 2:09 ` Andy Lutomirski
2016-12-22 2:49 ` Jason A. Donenfeld
2016-12-22 2:49 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 2:49 ` Jason A. Donenfeld
2016-12-22 3:12 ` Jason A. Donenfeld
2016-12-22 3:12 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 3:12 ` Jason A. Donenfeld
2016-12-22 5:41 ` Theodore Ts'o
2016-12-22 5:41 ` [kernel-hardening] " Theodore Ts'o
2016-12-22 6:03 ` Jason A. Donenfeld
2016-12-22 15:58 ` Theodore Ts'o
2016-12-22 15:58 ` [kernel-hardening] " Theodore Ts'o
2016-12-22 16:16 ` Jason A. Donenfeld
2016-12-22 16:16 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 16:30 ` Theodore Ts'o
2016-12-22 16:36 ` Jason A. Donenfeld
2016-12-22 12:47 ` Hannes Frederic Sowa
2016-12-22 12:47 ` [kernel-hardening] " Hannes Frederic Sowa
2016-12-22 13:10 ` Jason A. Donenfeld
2016-12-22 15:05 ` Hannes Frederic Sowa [this message]
2016-12-22 15:12 ` Jason A. Donenfeld
2016-12-22 15:29 ` Jason A. Donenfeld
2016-12-22 15:33 ` Hannes Frederic Sowa
2016-12-22 15:33 ` [kernel-hardening] " Hannes Frederic Sowa
2016-12-22 15:41 ` Jason A. Donenfeld
2016-12-22 15:51 ` Hannes Frederic Sowa
2016-12-22 15:51 ` [kernel-hardening] " Hannes Frederic Sowa
2016-12-22 15:53 ` Jason A. Donenfeld
2016-12-22 15:54 ` Theodore Ts'o
2016-12-22 15:54 ` [kernel-hardening] " Theodore Ts'o
2016-12-22 18:08 ` Hannes Frederic Sowa
2016-12-22 18:13 ` Jason A. Donenfeld
2016-12-22 18:13 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 19:50 ` Theodore Ts'o
2016-12-22 2:31 ` Jason A. Donenfeld
2016-12-22 2:31 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 2:31 ` Jason A. Donenfeld
2016-12-21 23:02 ` [PATCH v7 4/6] md5: remove from lib and only live in crypto Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:02 ` [PATCH v7 5/6] syncookies: use SipHash in place of SHA1 Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-21 23:02 ` [PATCH v7 6/6] siphash: implement HalfSipHash1-3 for hash tables Jason A. Donenfeld
2016-12-21 23:02 ` [kernel-hardening] " Jason A. Donenfeld
2016-12-22 0:46 ` Andi Kleen
2016-12-22 0:46 ` [kernel-hardening] " Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5c306c80-3499-8b92-21d0-c197f30ce326@stressinduktion.org \
--to=hannes@stressinduktion.org \
--cc=David.Laight@aculab.com \
--cc=Jason@zx2c4.com \
--cc=ak@linux.intel.com \
--cc=davem@davemloft.net \
--cc=ebiggers3@gmail.com \
--cc=edumazet@google.com \
--cc=jeanphilippe.aumasson@gmail.com \
--cc=kernel-hardening@lists.openwall.com \
--cc=linux-crypto@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=netdev@vger.kernel.org \
--cc=tom@herbertland.com \
--cc=torvalds@linux-foundation.org \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.