or (c) they don't have to care about it. "security by obscurity" might proves as being good enough. I could write you a text message: "Hey abalone, do you fan

or (c) they don't have to care about it. "security by obscurity" might proves as being good enough. I could write you a text message: "Hey abalone, do you fancy helping me planting a tree over at my garden?" and it seems perfectly innocent until you consider that planting a tree could be a code for all sort of things. As long as you don't "plant trees" every week and talk about all kind of things in your text messages you are not attracting attention. One could argue that truly innocent/law abiding people require strong encryption the most because of all the criminals out there.