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Date: Sat, 30 Sep 2017 01:04:05 +0200
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: Problem with dynamic format

On 2017-09-30 00:55, Jeroen wrote:
> 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?

Unfortunately JimF (author/maintainer of dynamic and lots of other 
stuff) has been mostly gone for quite some time now. He use to do that 
now and then, so let's hope he'll come back and dig into it!

Meanwhile, your best bet is opening an issue for this problem on GitHub.

magnum


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