• @Nogami@lemmy.world
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      77 months ago

      I was going to reply with a long explanation, but since you were so emphatic about it I decided not to. You emphatically know more about it than us I guess?

      But you say “on iPhones”, not on the cloud services they connect to.

      Just sounds like a cloud sync error to me, boring but it happens. I don’t have any issues but I also have all cloud photo services disabled.

      • @abhibeckert@lemmy.world
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        6 months ago

        Some people claim they don’t have cloud sync enabled and also a lot of the photos were deleted several years ago… on different physical hardware hardware (but somehow carried forward through device transfers).

        • @bamboo@lemm.ee
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          16 months ago

          Could you be more specific on what you’re talking about? I found the “Apple Platform Security” document, is that what you mean?

          • @vzq@lemmy.blahaj.zone
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            6 months ago

            Yes, that’s the successor document. You can also use the old iPhone 4 era iOS security guide, the file system details are not a fast moving target. The addition of the Secure Enclave changes things a bit.

            Anyway, the idea is that data only hits disk encrypted with a per-file key that is stored with the directory information. When you delete a file, the key is obliterated, rendering the deleted data unrecoverable from block storage. The explanation proffered by the journalist that data isn’t really deleted when you delete it from disk, doesn’t hold. Because it is. Or at least the key to it.

            A more likely explanation is spare copies either in the cloud or on the device not getting cleaned up. But deleted files on iOS are proper gone.

            • @bamboo@lemm.ee
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              16 months ago

              APFS’s per-file keys are super cool, I didn’t realize they were doing that. But do we know if the photos app is actually using the filesystem for storage? I don’t think photos show up in the files app, for instance.

              • @vzq@lemmy.blahaj.zone
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                26 months ago

                They are on the file system in /private/var/mobile/Media, and no, they are not accessible using the file app. Apple, what can you do ;)