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Posted by Volker Birk on March 14, 2006, 2:41 pm
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> The idea is to encrypt the file with a private key, and give the public key
> to the application. So the application could decrypt the file, but would not
> be able to encrypt it. The goal is to make it as difficult as possible to
> make a keygen that would work on unmodified application assembly (with the
> original, unpatched exe that contains the unmodified public key).
The keygen will not be the problem. The executable itself will be.
It will be possible to modify it, so it does not need to check any
key any more.
> 2. Second question (given the premise that we're not modifiying the assembly
> or memory during runtime): Is this idea good ? Would it be secure ?
No. No.
Yours,
VB.
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