[Cryptography] Signal planning no support for plaintext SMS

[Shironeko]

Jerry Leichter <leichter at lrw.com> writes:

> There’s no contradiction here.  It says you can recover if you’ve lost your Keychain and trusted devices *if you know your password*.

Apple controls the password since they can set/reset it, and if the key
derivation relies on some other secrets on your devices then they will not be
able to recover from password alone, so it is still contradictory.