[Fed-Talk] iOS File Erase question
[Fed-Talk] iOS File Erase question
- Subject: [Fed-Talk] iOS File Erase question
- From: "Marcus, Allan B" <email@hidden>
- Date: Fri, 12 Dec 2014 16:26:43 +0000
- Thread-topic: iOS File Erase question
From what I understand, each file in iOS is encrypted with its own key, then wrapped in a series of additional keys based on protection class and tied to the hardware key. I understand how a device reset destroys the keys and the data on the device is
rendered unrecoverable. What I’m trying to understand is how a “file” erase works. I cannot find any information about that in the iOS security guide.
Is there any documentation on what happens if a user deletes a file (or an app, which deletes all the associated files)? What about one message from mail? Is each message store in one file?
--
Thanks,
Allan Marcus
Chief IT Architect
Los Alamos National Laboratory
505-667-5666
email@hidden
If you always do what you always did, you will always get what you always got. [Albert Einstein]
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