Date: Sat, 13 Sep 2008 06:46:39 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: HMAC-MD5 SSE2 fails under Cygwin On Fri, Sep 12, 2008 at 02:23:25PM +0200, Simon Marechal wrote: > Just a quick question : who uses HMAC-MD5? I remember adding it because > i started writing a PSK cracker, and I wanted to test the HMAC > functions. But devine just wrote his own in aircrack, and I never > bothered with this again. (BTW, the implementation in aircrack-ng is not > so good, especially on AMD64) > > Is there a single application that uses just a call to HMAC-MD5? Good question. Let's see if anyone in here has anything to say on it. > I never seen any question about its usage here. Actually, there was one, sort of: http://www.openwall.com/lists/john-users/2008/01/28/6 > It might be a good idea to just dump it ... Well, I won't hurry to do that. The jumbo patch, at this time, is meant to be a collection of almost all contributed patches that are of any use at all. As to the specific issue with non-guaranteed 16-byte alignment for "statics" under Cygwin, it affected more than just the HMAC-MD5 "format" anyway. It's just that this one was the first to fail (and crash the program). When fixed, the test would similarly crash a few seconds later, and so on. I ended up patching 8 *_fmt.c files in the patch that I gave to SmarTeam Support and Random Intentions, both of whom confirmed that the patch did make things work for them. So I am going to include that patch in the next revision of the jumbo patch - and hopefully be done with this issue for now. Thanks, Alexander -- To unsubscribe, e-mail john-users-unsubscribe@...ts.openwall.com and reply to the automated confirmation request that will be sent to you.
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