Re: Serial number verification / obfuscation (was: Re: Hiding
Re: Serial number verification / obfuscation (was: Re: Hiding
- Subject: Re: Serial number verification / obfuscation (was: Re: Hiding
- From: Daryn <email@hidden>
- Date: Sun, 28 Jul 2002 11:24:27 -0500
On Sunday, July 28, 2002, at 04:19 AM, j o a r wrote:
There is actually yet another way to prevent an application from being
patched that is available in at least one big commercial application
today. Unfortunately I'm not allowed to talk about it - but it would be
interesting if someone else could think of it and bring it to this
discussion. There's a challenge for you! :)
Routinely validate a checksum or hash of the running code image? Use
the checksum of code segments to seed the decryption of other
segements? I doubt these methods would entirely stop a motivated
cracker, but it may slow them down.
Daryn
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