downloadbrowsethe hoax's keygenme 1

Download dhx_keygenme1.zip, 34 kb (password: crackmes.de)
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RSA 200

Difficulty: 3 - Getting harder
Platform: Unspecified/other
Language: Unspecified/other

Published: 27. Jun, 2003
Downloads: 1452

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Solutions

Solution by Encrypto, published 22. mar, 2008; download (54 kb), password: crackmes.de or browse.

Encrypto has rated this crackme as quite nice.

Solution by boonz, published 18. mar, 2007; download (88 kb), password: crackmes.de or browse.

boonz has not rated this crackme yet.

Solution by bundy, published 20. jul, 2003; download (31 kb), password: crackmes.de or browse.

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Discussion and comments

the hoax
Author
09. Nov 2006
good solution bundy :) This crackme has been solved in many different ways(over 3 years till now), and as far as I've seen you're the only one who saw that 4919 serials are valid for each name.
allko
03. Jul 2007
i have a question...

both solution states that this function

401161 PUSH 0
401163 PUSH DWORD PTR DS:[40441D]
401169 PUSH EAX
40116A PUSH DWORD PTR DS:[404421]
401170 CALL keygenme.00401D27

Divides C (crypted massege) by 1337

but how did you know that ??

In Addition , it seems to be not a division coz i have divided it by a calculator and the result wasn't right...
I copyed C from ollyDBG - with little endian taken into consideration - and divide it by 1337 and the result isn't the same !!!

any ideaz ???

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