3 ms·

At the moment, whatsapp is supposed to be end-to-end encrypted. I get the don't trust facebook mantra though, it is valid.

• severine 8y ago
  Are group chats E2E?
  • diminoten 8y ago
    Nothing stopping this from a tech standpoint.
  • caprese 8y ago
    Yes they are supposed to be, when a user joins a chat they cannot see prior messages and I believe this is a byproduct of their key being added to the ring.
  • oarsinsync 8y ago
    According to the current version of the iPhone app, yes, my group chats are E2E encrypted. I believe the mechanism is to use a generic / per message key to encrypt each individual message, and then use each recipient's public key to encrypt the encryption key before sending that (along with a link to the cipher text) to each end user. This is also why sending a video the first time takes forever (encrypt, upload, encrypt key, send key, send link), while forwarding it to another person (encrypt key, send key, send link) does not.
  • rcxdude 8y ago
    Yes. It's actually one of the strongest points of whatsapp compared to other mainstream messanging services (Though Telegram is often touted as a more trustworthly alternative, it does not E2E encrypt by default and in my experience that means almost no-one does it). They've stuck with it even though it results in somewhat goofy UX (for example, no server-side logs, you can't log into other devices without your phone being online, etc).