Date: Wed, 10 Apr 2013 12:40:56 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: [patch] sse/xop implementation of raw-sha256 On 10 Apr, 2013, at 3:42 , Jeremi Gosney <epixoip@...dshell.nl> wrote: > On 4/9/2013 11:29 AM, magnum wrote: >> On 9 Apr, 2013, at 19:00 , Jeremi Gosney <epixoip@...dshell.nl> wrote: >>> I was surprised to learn there was no SIMD implementation of SHA2 in >>> JTR, so I wrote one. I've completed SHA256, and have attached a patch >>> for it. I will begin work on SHA512 shortly. >> Cool, thanks! Committed now. > > Excellent, thanks! > > So, I mentioned in my last post that I was unsatisifed with the way I > was loading plaintext candidates. I've attached a new patch that uses > SSE4.1 (if available) for more efficient loading. I am much more > satisfied with this, and it's good for another ~ 1 MH/s. I also did some > minor cleanup, and removed the __GNUC__ check per Solar's guidance. Committed now, as well as a patch that make it a non-plugin that loads only on archs that support it. I made it load with higher precedence than the vanilla format (Tavis' SHA1 doesn't, because it has limited length support - and the alternate format also use SSE2). magnum
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