Date: Wed, 16 Mar 2011 05:05:30 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Speedup of x86 .S build of raw-sha1 format Jim, On Tue, Mar 15, 2011 at 05:28:25PM -0500, jfoug wrote: > - memset(saved_key, 0, sizeof(saved_key)); > + //memset(saved_key, 0, sizeof(saved_key)); > + memset(saved_key, 0, 64*MMX_COEF); To "make sure" it is sufficient to clean the smaller portion of saved_key only, you could want to fill the rest of it with some non-zero value, like: memset(saved_key, 0x55, sizeof(saved_key)); memset(saved_key, 0, 64*MMX_COEF); (use both of these at once). Then make sure JtR still works fine (albeit slowly). Thanks, Alexander
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