I want to create an activation screen that would work as following:
1. End user is given a random number or string.
2. End user has to call the company to obtain 'activation' code.
3. The application check that the 'activation' code is valid.
That is, the application and another program (VFP) should be able to return exactly the same string or number based on the input number or string.
Any suggestions for the above logic?
Thank you.
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