Date: Tue, 3 Sep 2013 15:47:25 +0200 From: Dániel Bali <balijanosdaniel@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Daniel's weekly report #12 Alexander, 2013/9/3 Solar Designer <solar@...nwall.com> > > > Ouch. > > My impression from your recent weekly reports is that the primary issue > you bumped into was with LDS usage, and we need LDS both for bcrypt and > for the 64-bit addition instruction that we could use for SHA-512. Is > this right? > > If so, how about we temporarily switch focus from actually producing > faster code to producing any working JtR format that would use some GCN > asm code, even if it's not faster (not even potentially) than code we > already have? This could be something simple and ridiculous, like > CRC-32 - just as a sample, to let someone else continue with the project, > and potentially do so in JtR context. In fact, once you have CRC-32 as > a JtR format written using GCN asm, maybe you'd be able to proceed with > e.g. raw MD5 while still avoiding the LDS issue (although indeed we'd > need to solve that problem sooner or later)? > > Does this unblock your work now? > Thank you for your answer. Yes this is a route that I could take. CRC-32 could work. One question: what do you mean by CRC-32 as a JtR format? Would this have to run inside the JtR "framework"? Regards, Daniel Content of type "text/html" skipped
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.