Letting a Python application phone home

[Dieter Vanderelst]

Hi,

I'm working on an educational Python application that collects data about a
large group of people (Of course, with the full consent of the students).

The application should run on the PC of the participant and send the
collected data back home to the server.

Furthermore, it is also necessary that the transfer of the data happens
during the running of the application, because I don't want  the
participants to be able to run the program without sending me the data. In
fact, as soon as the Internet connection is switched of or is lost, the
program should stop running.

So far my wishes. Now the question:
Is it possible to program this in a secure fashion, both for me and the
students. The data should preferably not be visible to every one and it
should not be possible to look into the code for passwords etc.

Especially the part about the sending of the data worries me a bit.

With Kind Regards,
Dieter
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