Date: Sun, 18 Aug 2013 23:08:32 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Parallella: bcrypt Katja, I unexpectedly managed to trigger the problem, although just once so far: solar@...aro-ubuntu-desktop:~/k2/JohnTheRipper/run$ while :; do rm -f john.log john.pot; seq 0 49999 | ./parallella_john.sh -stdin -form=bcrypt-parallella ~/pw-bcrypt-2salt-50k 2>&1 > /dev/null | fgrep 0:00; done 49999g 0:00:00:44 1132g/s 1132p/s 2264c/s 28325KC/s 49984..49999 50000g 0:00:00:44 1132g/s 1132p/s 2264c/s 28324KC/s 49984..49999 50000g 0:00:00:44 1135g/s 1135p/s 2270c/s 28395KC/s 49984..49999 50000g 0:00:00:44 1130g/s 1130p/s 2260c/s 28273KC/s 49984..49999 50000g 0:00:00:44 1131g/s 1131p/s 2263c/s 28311KC/s 49984..49999 This is when running with two different salts. Maybe having different salts is a prerequisite. Or maybe the hash count not being a multiple of 32 is a prerequisite. (100k and 1M were a multiple of 32, but 50k is not.) Alexander
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