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License key Generator

843811May 12 2005 — edited Mar 30 2006

Hi,
I am developing license key generator application for XYZ application.

I tried using RSA algorithm with 1024 bits but it generates a very long encrypted string. I need length to be 30-40.
I can't use symmetric algorithms here because it uses same key for both encryption and decryption which is insecure.

Please guide me in working out this.

Thanks

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Locked on Apr 27 2006

Added on May 12 2005

#cryptography

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