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Thread: Whitebox crypto crackme ?

  1. #1
    ::[ Reverse Engineer ]:: OHPen's Avatar
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    Whitebox crypto crackme ?

    Hi,

    does anybody know a small / very small example crackme which has a simple implementation of a whiteboxes crypto algo. Cryptoalgorithm doesn't matter.

    I'm more interessted in the whitebox stuff.

    If somebody can supply such an example I would be glad to take a look at it.

    Regards,
    OHPen

    PS: I need it for a bigger whitebox example I'm currently doing some research on it.
    - Reverse Enginnering can be everything, but sometimes it's more than nothing. Really rare moments but then they appear to last ages... -

  2. #2
    I only know of the one which was mentioned on here before, available from the bottom of http://homes.esat.kuleuven.be/~bwyseur/research/wbc.php.

  3. #3
    הבּרוּ נשׂאי כּלי יהוה mike's Avatar
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    For Java obfuscation, check out the sandmark suite.

  4. #4
    Mike !!

    Nice to see you again

    Woodmann

  5. #5
    ::[ Reverse Engineer ]:: OHPen's Avatar
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    Hey,

    thank you for the hint. But I'm not interested in obfuscation, the more I'm interested in Whitebox-Cryptography and the attacks on it. Thats why I'm try to collect different Crackmes or other implementations to get a feeling for it.
    I took a look at the link above, but afaik i already had a look in this crackme, which is originally from cloakware right ?

    Regardíng Sandmark. I know that framework already from some research years ago. Its a very sophisticated library which is rather powerfull. For everyon which is interested in cracking java applications or writing deobfuscators or even obfuscator this, is a must look!

    Regards,
    OHPen.
    - Reverse Enginnering can be everything, but sometimes it's more than nothing. Really rare moments but then they appear to last ages... -

  6. #6
    mikeeeeeeeeeeeeeeeeeeeeeee

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