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A comment on Open Whisper Systems partners with WhatsApp to provide end-to-end encryption. Parent comment

Re:Open Whisper Systems partners with WhatsApp to provide en... by ianburrell on Tuesday November 18, 2014 @01:42PM (#8625477)
The main reason why you won't see end-to-end encryption for Facebook is that the messages are also available through the Facebook web site in addition to Facebook Messenger app. Which means that the Facebook servers need to store the key to display the messages.
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Re:Open Whisper Systems partners with WhatsApp to provide en... by alexjarvis on Tuesday November 18, 2014 @01:55PM (#8625578)
If you use a different key to encode the message for each client (web or app) then this is not necessary. This is how iMessage works.
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