Hello,
I'm totally new to trying to figure this out, I've read lots but quite confused!
I've made a db that I want to add a licence key to so that the db shuts down unless a valid licence key is entered by the user. It doesn't need to be totally secure and if people go to the lengths to hack it then so be it, it is more for the honest user to prevent them using it free of charge.
Is is possible to do the following:
1. I create a hash Licence key based on users email and the expiry date I want to give them for using the db.
2. They enter the licence key into their db on startup (first time only, or when old key expires)
3. The users db decodes the licence key and removes the date part of it, the db then uses this as a validity date. If the date is < Now() then it shows a message to contact me for new activation key.
I was hoping the above could be quite easy to achieve....but I'm not so sure! :banghead:
Thank you very much for any advice!
I'm totally new to trying to figure this out, I've read lots but quite confused!
I've made a db that I want to add a licence key to so that the db shuts down unless a valid licence key is entered by the user. It doesn't need to be totally secure and if people go to the lengths to hack it then so be it, it is more for the honest user to prevent them using it free of charge.
Is is possible to do the following:
1. I create a hash Licence key based on users email and the expiry date I want to give them for using the db.
2. They enter the licence key into their db on startup (first time only, or when old key expires)
3. The users db decodes the licence key and removes the date part of it, the db then uses this as a validity date. If the date is < Now() then it shows a message to contact me for new activation key.
I was hoping the above could be quite easy to achieve....but I'm not so sure! :banghead:
Thank you very much for any advice!