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Date: Sun, 20 May 2018 00:28:29 +0100
From: Eric Watson <ea-watson@...ginmedia.com>
To: john-users@...ts.openwall.com
Subject: Re: Unable to crack the password of a test rar file.

I removed the "#if ARCH_ALLOWS_UNALIGNED" and "#endif    /* 
ARCH_ALLOWS_UNALIGNED */" but this created error in the ./configure:

rar_fmt_plug.c:437:2: error: #else without #if
  #else
   ^~~~
configure: creating ./fmt_registers.h
rar_fmt_plug.c:437:2: error: #else without #if
  #else
   ^~~~

I removed the following as suggested by a friend:

#include "arch.h"

and

#else
#if !defined(FMT_EXTERNS_H) && !defined(FMT_REGISTERS_H)
#ifdef __GNUC__
#warning ": target system requires aligned memory access, rar format 
disabled:"
#elif _MSC_VER
#pragma message(": target system requires aligned memory access, rar 
format disabled:")
#endif
#end

The ./configure was happy and the make completed with one unrelated 
warning only:

stribog_fmt_plug.c:469:2: warning: #warning Stribog-256 and Stribog-512 
formats require SSE 4.1, formats disabled [-Wcpp]
  #warning Stribog-256 and Stribog-512 formats require SSE 4.1, formats 
disabled
   ^~~~~~~

However the hash file did not load:

pi@...pberrypi:/var/share/temp/JohnTheRipper-bleeding-jumbo/run $ ./john 
test_pswd.txt
Using default input encoding: UTF-8
No password hashes loaded (see FAQ)
pi@...pberrypi:/var/share/temp/JohnTheRipper-bleeding-jumbo/run $

It looks as if JtR cannot be used on the Pi.

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