Important to note that the San Bernadino gunman's iPhone is an A6-based 5C w/o a Secure Enclave https://twitter.com/HowellONeill/status/699773733523820544 …
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@dguido And what is their ability to update the SE OS? Does updating at least destroy all keys?
@matthew_d_green iOS Security Guide is vague, but yes *I think* upgrading sw on Secure Enclave wipes all keys.
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@dguido I think so too, but it's noteworthy that the 80ms delay is the only thing they're really concrete about.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@dguido@matthew_d_green I'm wondering where the wiping of keys is enforced on SE update? Via boot measurement / hash extension to gen keys?Thanks. Twitter will use this to make your timeline better. UndoUndo
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