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Dec 17, 2014 at 17:11 comment added Rudolf Real Good to know, Apple should include a way to only untrust a device, or maybe all, but without loosing more stuff.
Oct 2, 2014 at 14:20 comment added M K Thanks, @duozmo. I've updated the answer with the new information from Apple. [You could've edited and updated it yourself too]
Oct 2, 2014 at 14:19 history edited M K CC BY-SA 3.0
Updated with option to untrust in iOS 8 (thanks to duozmo's comment)
Oct 2, 2014 at 0:46 comment added duozmo iOS 8 now allows you to untrust all computers, according to a Sep 17, 2014 update to the article you cited. Both "Reset Location & Privacy" and "Reset Network Settings" will do it.
Aug 27, 2014 at 21:19 comment added CousinCocaine So in the end, we will trust them all.
Nov 5, 2013 at 16:39 vote accept Brant Bobby
Oct 31, 2013 at 14:04 comment added M K If it were just a key exchange, then Apple would be able to provide an easy way to un-trust a computer (somewhat similar to how it allows the ability to deauthorize computers for specific iTunes store accounts).
Oct 31, 2013 at 10:16 comment added Mattie Further to this line of discussion, I would expect that (though I may be entirely wrong!) iTunes and an iOS device undergo some sort of key exchange. If you can defeat this PC-side—possibly by uninstalling iTunes or clearing its configuration somehow—you may be able to achieve your goal.
Oct 24, 2013 at 14:20 comment added nschum I think those exist for peripherals but not USB hosts. And until I've entered the FileVault password on my Mac, the iPhone apparently considers it a different computer.
Oct 4, 2013 at 20:58 comment added M K All USB devices provide a Vendor ID and Product ID. Beyond that, a serial number may also be provided. While this can be used to uniquely identify devices, it's not reliable (rogue devices can spoof these).
Oct 4, 2013 at 20:31 comment added Brant Bobby Interesting. I wonder what mechanism iOS uses to uniquely identify a particular computer?
Oct 4, 2013 at 19:53 history answered M K CC BY-SA 3.0