Want to build a key gen pls help

[prats]

I have a program called Dos2usb....an ordinary application....i have its almost 1000 user keys and license keys....( the user key in this program is generated using hdd mac id). I want ur help in finding out the logic behind the relationship between user key and license key....

e.g. : -

I know that when user key is apektiyub then license key is adf45e5e. I have almost 1000 pairs like that but what i m not able to do is to find out the license key when only user key is given....i know it is possible....pls help me in doing this......

[tanatos]

this is a cracking request...we don't do that kind of things

[detten]

When the relation between those two isn't clear on sight, the time has come to start reversing the application

Get your SoftIce for DOS out of the box, read some DOS related tuts, and digg in...

[Nacho_dj]

Maybe this could help:

Reversing for Newbies 36
Keygenning
hxxp://tuts4you.com/download.php?view.157

Then you could come here with any doubt about your results...

Good luck

Nacho_dj