Date: Tue, 13 Mar 2012 02:13:21 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: RAR format finally proper On 03/07/2012 11:37 PM, magnum wrote: > On 03/06/2012 08:11 AM, Milen Rangelov wrote: >> As per AES/OpenSSL, I read somewhere they implemented runtime AES-NI >> detection/use. Though I don't think this have made it into the debian >> packages I use yet. It might improve things a lot. > > Yeah interesting, it can decrypt a byte in 2 cycles instead of 15... I > suppose you could try using the code supplied by Intel at the end of > this PDF: http://software.intel.com/file/24917 - it even mimics the > OpenSSL interfaces. It seems my standard Ubuntu OpenSSL 1.0.0e has AES-NI configured and enabled out of the box so maybe this is nothing to worry about? I'll benchmark it later on a CPU that actually supports it. Anyway here's a better "version" (the one above is source code in PDF form) of that Intel library, if we ever need one: http://software.intel.com/en-us/articles/download-the-intel-aesni-sample-library/ magnum
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