Date: Sun, 24 Jul 2011 03:43:41 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: zip patch omp support On Thu, Jul 21, 2011 at 05:43:06PM +0530, Dhiru Kholia wrote: > Applies on top of JtR 1.7.8-jumbo-2 patchset. Revision of the code as merged into my tree (with OpenSSL version checks removed) on dual E5420 (8 cores at 2.5 GHz), linux-x86-64, gcc 4.5.0: Benchmarking: zip [32/64]... (8xOMP) DONE Raw: 3952 c/s real, 492 c/s virtual At this speed, it'll find some probable password in about 10 seconds... We really need to do something about the false positives. Perhaps look for a way to determine if the decryption is correct or not without a full decompression engine? There got to be patterns beyond the 16-bit verifier. Alexander
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