Home » Developing U++ » External resources » Timed demos
| Re: Timed demos [message #28266 is a reply to message #28264] |
Wed, 25 August 2010 13:26   |
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| mdelfede wrote on Wed, 25 August 2010 13:44 |
| koldo wrote on Wed, 25 August 2010 11:12 |
Hello Massimo
The simple way I use is to have an encrypted configuration file (a .xml file from Xmlize coded with AESStream) with install date/time and last use date/time.
If the program is opened after passing license date or before last use date (  ), it will ask for a new license.
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Mhhhhh.... and what if user erases the config file and starts again with a fresh one ?
I mean.... I can't encrypt data files, they're xml on purpose, user should be able to look/correct/recover them.
The config files could be encrypted, but then user can erase them with no problem....
Max
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You can provide the config file with the program. initial the file will contain a start evaluation date and an unique ID for verification.
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