This is a revision of a paper that first appeared as an eprint back in September when PQ3 was announced.<p><a href="https://eprint.iacr.org/2024/1395" rel="nofollow">https://eprint.iacr.org/2024/1395</a>
All that security, and then by default Apple literally just sends themselves a copy of your encryption keys to store in iCloud backup, the only cloud backup solution Apple allows you to use. "to help you recover your data" [1] (oh and also to send law enforcement your message history in plaintext on request, but we don't talk about that).<p>[1] <a href="https://support.apple.com/en-us/102651#:~:text=in%20iCloud%2C-,your%20backup%20includes%20a%20copy%20of%20the%20Messages%20in%20iCloud%20encryption%20key%20to%20help%20you%20recover%20your%20data,-." rel="nofollow">https://support.apple.com/en-us/102651#:~:text=in%20iCloud%2...</a>