Re: Encrypting Long Numbers

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C. K. Lester wrote:

> > If I had a (randomly generated) number like this:
> >
> >     12847-47844-37847-38475
> >
> > what process/algorithm could I use to encrypt it such that when a person
> > reads it to me I can run it through a program and read the result back
to
> > them such that it would unlock the program for them to use it?

Lucius Hilarious replied:

> Sounds like a one way hash.

Thanks, but I wanted code. :P

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