Security of our models

[grimpy]

Currently we are saving the privatekey of the data stored next to the data itself.
This however beats the purpose of encryption the data in the first place.

Some thoughts to improve this:

• ask for encryption key each time secure data needs to be accessed, this secret can be passed by environment variables or stored in redis for limited time

[grimpy]

let's do some research first to see if we can come up with a better workflow/user experience