Date: Sat, 19 Mar 2011 03:05:21 +0300 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: bitslice DES on AVX On Thu, Mar 17, 2011 at 11:08:10PM +0100, rembrandt wrote: > I own such a CPU (i7-2600, 3,4Ghz)... :-) > > Just I've no *NIX yet on it. I could offer it to you as a testbox for a > while (ssh) or if you tell me what tests you need I'll perform these. I'd appreciate it if you boot it up off an Owl LiveCD (x86_64) and let me SSH in (please provide the login details off-list). I've attached our standard instructions (which we normally use for remote installs of Owl). The download links are right here: http://www.openwall.com/Owl/ (BTW, we've updated Owl-current to use OpenSSL 1.0.0d since the last discussion in here.) > Also I noticed the CPU supports AES (did not checked what modes) so > maybe that' also worth locking. It does (one instruction per AES round, not a specific mode). In fact, this was introduced earlier, not with Sandy Bridge. I am considering making use of this for a related purpose - see our GSoC ideas list: http://openwall.info/wiki/ideas If JtR ever needs to crack anything based on AES where performance of AES encryption itself matters (normally, there would be a slow key derivation function instead), then these instructions will also be useful for JtR. Thanks, Alexander View attachment "Owl-remote-install-procedure" of type "text/plain" (1512 bytes)
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