As a user I can set my personal encryption password in my user profile so that I can start using encrypted files
As a user I can specify in a workspace that I want to support encryption so that encrypted files become available
As a user when adding a workspace a circle is created automatically so that it can immediately support encrypted files
As a user I can upload a file that gets immediately encrypted so that it is protected from second 1 against unauthorized access
As a user when uploading an encryped file to a workspace it gets automatically added to the circle of that workspace so that all members of that workspace can decrypt it.