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Best tools to solve challenges

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Best tools to solve challenges
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Joined: 05 Jun 2011
Posts: 89
Location: deep space computing AG

Post Best tools to solve challenges Reply with quote
Here some tools which proved useful to me to solve challenges.

For general purposes:
A Freepascal compiler with powerful IDE at http://lazarus.freepascal.org/ which is even more powerful and easy to use than Delphi.

To analyze images:
Stegsolver by Caesum available at http://www.wechall.net/download/12/Stegsolve_jar

To decompile Java:

To factor very big numbers:
MSieve at http://sourceforge.net/projects/msieve/

To simulate Game of Life:

My warrior for the Dungeon series was in Bash. I use Cygwin as Unix shell, I have also a combination with Virtualbox and Fedora image.

To prototype calculations with big numbers: Python, Maple (not free!) and Freepascal with MPArith library if speed is required.

With GCC i compiled some C and C++ stuff, but only for particular cases...

GIMP helped me sometimes as well...

Finally a diary with pencil and paper to design attacks to the single challenges!

And what are your favorite tools?

Last edited by dangermouse on Fri Aug 31, 2012 3:19 pm; edited 1 time in total
Fri Aug 31, 2012 2:45 pm View user's profile Send private message Visit poster's website

Joined: 04 Feb 2010
Posts: 290
Location: Within the depths of Unix

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I submit Mathematica (again, not free, but useful for almost every challenge!) and WolframAlpha, as well as Colonel Dump's HVM IDE (though I did eventually write an HVM compiler in Mathematica, following their SymbolicC style of design).

There is no spoon.
Fri Aug 31, 2012 2:51 pm View user's profile Send private message
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Joined: 28 May 2011
Posts: 490
Location: Germany

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Some of the software which I use:

MinGW/MSYS: http://www.mingw.org/
to compile C code under Windows

IrfanView: http://www.irfanview.net/
can not only show pictures, but also a hexadecimal representation of them, which can be useful

TweakPNG: http://entropymine.com/jason/tweakpng/
useful for challenges involving PNG files

Notepad++: http://notepad-plus-plus.org/
possibly the best free text editor for Windows

IDA (Interactive DisAssembler): https://www.hex-rays.com/products/ida/support/download.shtml
to disassemble machine code, the free version has limitations (e.g. 64bit not supported)
Tue Apr 09, 2013 8:05 pm View user's profile Send private message
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