Integer ID obfuscation techniques

Posted by Chris on Stack Overflow See other posts from Stack Overflow or by Chris
Published on 2010-04-02T07:12:31Z Indexed on 2010/04/02 7:13 UTC
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Hi there,

I'm looking for an easy and reversible method of obfuscating integer IDs. Ideally, I'd want the resulting obfuscation to be at most eight characters in length and non-sequential, meaning that the obfuscation of "1" should look nothing like the obfuscation for "2" and so on.

This isn't meant to be secure by any means, so this isn't a huge concern. Additionally, the integers I'll be obfuscating aren't large - between one and 10,000 - but I don't want any collisions, either.

Does anybody have any ideas for something that would fit this criteria?

Thanks!
Chris

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