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A comment on Telegram told to give encryption keys to Russian authorities. Parent comment

Re:Telegram told to give encryption keys to Russian authorities by bjoli on Wednesday March 21, 2018 @01:13AM (#16635657)
WhatsApp has no private chat mode. Every message is e2e encrypted.

If you switch devices, other clients will use the old keys until they have received the new one (and then they will silently re-encrypt and resend undelivered messages, something WhatsApp was heavily criticized for).

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Re:Telegram told to give encryption keys to Russian authorities by Justsignedup on Wednesday March 21, 2018 @10:49PM (#16645237)
Gotcha!
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