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Date: Tue, 25 Aug 2015 15:03:28 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: raw-sha256-opencl, raw-sha512-opencl, xsha512-opencl
Claudio, magnum -
The attached patch fixes the "max. length in index 1: wrote 55, got 55
back" self-test error seen after auto-tuning. I didn't test actual
cracking with these formats after applying that patch - we should.
Another known issue with these formats is that they implement on-GPU
hash comparison using linear search. So when cracking a large number of
hashes at once, they actually became a lot slower than what we had before
(with computed partial hashes transferred to host). In a private e-mail
exchange, Claudio said he'll eventually correct this. I am merely
documenting it on john-dev since I am posting about these formats anyway.
Alexander
View attachment "john-opencl-rawsha2-fix1.diff" of type "text/plain" (753 bytes)
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