downloadbrowsepxor's Keygenmev1 seasy

Download keygenmy.zip, 2 kb (password: crackmes.de)
Browse contents of keygenmy.zip

Pure and simple keygen no patch :P"

Difficulty: 2 - Needs a little brain (or luck)
Platform: Windows
Language: Assembler

Published: 03. Jun, 2005
Downloads: 1109

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Solutions

Solution by ap0x, published 12. jun, 2005; download (15 kb), password: crackmes.de or browse.

ap0x has rated this crackme as nothing special.

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Discussion and comments

pxor
Author
04. Jun 2005
WTF? no one cracks it yet?! LOL :D
ill know thats newbies dedicated but....
u can't call yourself cracker if u dont crack it ;D
pxor
Author
04. Jun 2005
i'm waiting for your solutions :P
Oorja-HalT
06. Jun 2005
shudd up pxor . you know its just elementry anyone can write a keygen just ripping yours code.There aint anything special in it
pxor
Author
06. Jun 2005
ohhh i cant see your solution on my mail box .... resend your solution plz haha
pxor
Author
07. Jun 2005
i receive first solution from Renno (good job :P) anyone more ?
pxor
Author
07. Jun 2005
Another solution received from Mario/MBE (your solution is that what i want) :D
Orphankill
08. Jun 2005
I have it pretty muched solved all the way down to the final comaprison. I'm just confused in predicting what the FST (stack?) will be after an instruction like FLD. It seems random to me, and then you load FST into AX and cmp AX with 47! A little help, please?
DLAP
08. Jun 2005
I'm also was confused by this, but after some time, i understood, that it is Floating point operations. I almost crack it, but yesterday i haven't enough time to read a special literature for this. And i have not have any books about coprocessor.

P.S. Sorry for my English.
pxor
Author
08. Jun 2005
download intel x86 opcodes documentation u will find there all that u need :P

http://members.shaw.ca/contact_donkey/files/x86eas.hlp
pxor
Author
09. Jun 2005
YES this is correct (good job) :D
Orphankill
11. Jun 2005
I figured out what the floating point instructions do, and where they store there results (ST0, ST1, ST2...), I just don't understand the FST! I dowloaded some information on it buty still can't quite get it. Anyone? Why does the FST hold what it holds???
CuTedEvil
11. Jun 2005
ap0x, why don't you submit your solution instead of just posting a url? :)
ap0x
12. Jun 2005
Didn`t have time for writting a solution, i just keygened it... Ok, i`ll write soon :)
CuTedEvil
12. Jun 2005
Nice work ap0x :)

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