>I am looking for a formula or function to use in a very simple method of copy protection. I would like a number or a string to be generated from a random number.
>For example, if the program generates a randrom number, say "1", the formula should generate a crypted string or a "crypted" number, based solely on the seed number.
>
>Anyone can suggest anything? Thank you.

You can see how we do this with activation key.
We tie it to HDD serial & logical No
download #13199