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License Key Registration Sample

Hi everyone,

I'm Looking for a sample to Create license key's for your program
i'm currently using the Keygen sample of Phil Fresle.

but i would want a system that can Generate key's with a Datelimit
so that i don't have to manually have to enter a date
like
name: John Doe
Key for John Doe is eg: A1B2-A1B2-A1B2-A1B2
and the experation date of that key's is eg 12-11-2007

Please help me on this one..

Thank you verry much
Jan 21 '07 #1
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