Re: Simple code obfuscation

Hello,

on 02/08/2010 05:32 PM Brian Dunning said the following:
> Hey all -
> 
> I'm selling a custom PHP solution to FileMaker users. It uses
> FileMaker's PHP API, so everyone who has FileMaker Server is already
> set up to use it, but very few of them have any knowledge of how to
> set up a server or do anything PHP related. But I do want to add some
> level of code obfuscation to prevent them from making simple changes
> to my code that allow them to exceed the privileges they've
> purchased.
> 
> I've looked at custom code encryption services like Ioncube and
> phpCipher, but in my estimation, deploying the needed server-side
> code for these is going to be beyond the capabilities of a large
> segment of my customers. I would rather have a few customers cheat me
> than offer a product that most customers are unable to figure out how
> to run.
> 
> So I was thinking of doing something like base64_encoding the crucial
> chunk of my code (maybe 20 lines worth) and using
> eval(base64_decode($that_content)) to run it. I figure that will
> scare away most of the customers who might be able to edit my code.
> Can anyone suggest something that goes one better?

You may want to try some of these code obfuscation classes:

http://www.phpclasses.org/searchtag/obfuscator/by/package/tag/obfuscator/

-- 

Regards,
Manuel Lemos

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