Date: Sat, 19 Mar 2011 20:43:32 +0100 From: rembrandt <rembrandt@...erlin.de> To: john-users@...ts.openwall.com Subject: Re: bitslice DES on AVX On Sat, 19 Mar 2011 03:05:21 +0300 Solar Designer <solar@...nwall.com> wrote: > 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 I'll contact you off list soon (exspect tomorrow evening with details). The Box has also a GPU (ATI) capable of OpenCL, driver installation and co would be your turn if you like to test things as well. I could also install other *NIX Operating Systems so you could test things there as well. And I thought last time already "Damn, I need a KVM for such stuff...". ;) Just one importent thing: If you can't read the logfiles of openwall "in time" please tell me (private, asap). I will use wget at a invalid URL (will tell you in the mail..) so that you know the actual IP (it's not fix) of the box and I'll do so with a cronjob (aka a request each 5 mins). So a poor-mans "dyn-ip"-Service. ;) And it would be nice if you like to take a look at OpenBSD as well. ;) But I could install also other OSs... Kind regards, Rembrandt
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