linux-kernel - Re: [PATCH 2/3] [CRYPTO] Add optimized SHA-1 implementation for i486+

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Wed, 13 Jun 2007 00:50:31 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	linux@...izon.com
Cc:	bgilbert@...cmu.edu, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] [CRYPTO] Add optimized SHA-1 implementation for i486+

On Tue, Jun 12, 2007 at 01:05:44AM -0400, linux@...izon.com wrote:
> > I got this code from Nettle, originally, and I never looked at the SHA-1 
> > round structure very closely.  I'll give that approach a try.
> 
> Attached is some (tested, working, and public domain) assembly code for
> three different sha_transform implementations.  Compared to C code, the
> timings to hash 10 MiB on a 600 MHz PIII are:
> 
> The names are the order they were written in.  "One" is the lib/sha1.c
> code (547 bytes with -Os).  "Four" is a 5x unrolled C version (1106 bytes).

I'd like to see your version four.

-- 
Mathematics is the supreme nostalgia of our time.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/