BIRT 3.7
Written by: Michael Williams
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User 230127 avatar

By kangax
via mediumexposure.com
Published: Sep 06 2007 / 10:12

Almost every commercial application out there asks you for some sort of serial key. Once you type it in - the program only takes a fraction of a second to "decide" if the key is valid. The purpose of this tutorial is to rant about the concept of these keys (tokens), and present simple examples of implementation.
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