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Date: Sat, 30 Sep 2017 00:55:31 +0200
From: "Jeroen" <spam@...lab.nl>
To: <john-users@...ts.openwall.com>
Subject: Problem with dynamic format

magnum wrote:
<SNAP>
>It can do many crazy combinations that is (probably) not used anywhere:
>
>$ ../run/john -test -form:dynamic='sha1(md5(md4($pass).$salt))'
>Benchmarking: dynamic=sha1(md5(md4($p).$s)) [128/128 AVX 4x1]... DONE
>Many salts:	5816K c/s real, 5816K c/s virtual
>Only one salt:	5340K c/s real, 5340K c/s virtual
<SNAP>

Nice timing. I'm playing with a non-standard format. Magnumripper (from GIT) reports an error:

bofh@...ncher:/opt/JohnTheRipper/run$ ./john /tmp/test -form:dynamic='md5(sha1($salt.md5($pass)))'
Using default input encoding: UTF-8
Loaded 1236356 password hashes with 1223955 different salts (dynamic=md5(sha1($s.md5($p))) [128/128 SSE4.1 4x1])
Warning: no OpenMP support for this hash type, consider --fork=80
Self test failed (cmp_all(1))

How can I help to fix this issue?

Thanks,

Jeroen

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