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by _cenw
1020 days ago
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I'm not sure why you're doing all this speculation, when wrapping keys is a pretty standard technique (i.e. LUKS key slots) and Apple provides the details themselves[1]. Yes, they're doing a handshake with secure enclave keys and transfer the master key to your devices. Turning on Advanced Protection will reencrypt all the data in iCloud in the background whereas turning it off will submit the master key to Apple so they can presumably place it on an HSM. Apple already did this before advanced protection with your Keychain. [1]: https://help.apple.com/pdf/security/en_US/apple-platform-sec... |
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