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How to add unlock functionality to a program

Started by rowan_futurerave, September 12, 2018, 05:33:29 AM

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rowan_futurerave

Hi
Does anyone have experience with adding unlock functionality to a program, so that it can be unlocked (after payment) via a serial key?
If so can you give any advice/tips or provide any useful links?
Ok thanks
  • Calculators owned: TI-84 Plus CE-T, CASIO fx-CG50

rowan_futurerave

Worked out I can use MD5 quite good. If 4 licenses are allowable per user (email address) the person has a 1 in 75 trillion chance of picking a working combo.... but, one person could buy one license and then just send that to everyone

KRISSSSSSSSSSSSSSSSSSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Gonna have to put a notifier in.
  • Calculators owned: TI-84 Plus CE-T, CASIO fx-CG50

rowan_futurerave

  • Calculators owned: TI-84 Plus CE-T, CASIO fx-CG50

c4ooo


rowan_futurerave

  • Calculators owned: TI-84 Plus CE-T, CASIO fx-CG50

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