From user interface to functionality, it's highly intuitive and fun to use to the point that it's really an unconscious effort. Even Wickr, which also uses perfect forward secrecy, requires a lot of navigation to fully exploit its privacy features.Īfter downloading and demoing TextSecure on my Android phone, however, it's clear that Whisper Systems really did nail ease-of-use on this iteration.
Users simply want to download an app, set it up, and quickly being messaging, which isn't how end-to-end encryption apps are typically designed. "We've done this to eliminate common problems in traditional messaging like stale sessions or half-open sessions, and weird things where people have to reset things, or they get gibberish or whatever."Īs Marlinspike said, the team designed V2 so that it was as "low friction" or easy to use as iMessage or WhatsApp.
"We've managed to take the desirable properties of perfect forward secrecy and deniability from protocols like OTR and translate it into this asynchronous environment," said Marlinspike of the new encryption behind TextSecure.
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