Encrypted WhatsApp end-to-end backup: how does it work?

How does WhatsApp's encrypted end-to-end backup work? Does the encryption key stay the same after each reinstallation, or does it change?

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LUKEars
1 year ago
  1. I guess there’s some backdoors…
  2. otherwise: try out with unimportant data…
  3. my employer bought the encryption with complete source code because she would otherwise be afraid to be cheated…
verreisterNutzer
1 year ago
Reply to  LUKEars

What is meant by unimportant data? If you don’t, all the chats will go.

LUKEars
1 year ago

you could let someone send you “yada yada yada” then run the backup, then reinstall it, then see if the backup is still going…

LUKEars
1 year ago

You could close from one test chat to all the other (future) chats… right?

verreisterNutzer
1 year ago

The backup refers to all chats, not a single one. Aldo would be useless.