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Well, and as pointed out elsewhere the signal protocol only covers messages in transit. How keys are managed, etc. also strongly affect security. In the signal
by alfalfasprout 7y ago
Well, and as pointed out elsewhere the signal protocol only covers messages in transit. How keys are managed, etc. also strongly affect security. In the signal app, the phones own the keys rather than another entity (hence why messages get rekeyed on whatsapp and why you're easily able to load messages on a new phone).
- lern_too_spel 7y agoReread my comment. If you have additional code to support things like ads, you add attack surface for people to find a way to inject code execution in the context of the WhatsApp process, which has access to the decrypted messages.