And you have to trust that running processes on dish aren't going to make a copy of it. Or that it won't end up stuck in the cache. This is (theoretically) only decrypted in memory (your browser may save a preview image of the tab, I believe Firefox mobile does this, not sure about desktop browsers)
Also, your self-extracting archive isn't platform independent, and likely can't be used at all on mobile platforms (iOS, Android) that don't offer to trying anyway files ootb (and are probably the wrong architecture anyways)
