Originally Posted By: DWallach
Okay, the *really* clever trick is that the slowdown is enforced deep in their custom hardware. You can't just reboot it and get back to full speed.


And importantly the main CPU and flash are no longer involved in checking the PIN/password. It is all done within the separate secure enclave processor, avoiding even more types of brute forcing attacks.
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Remind me to change my signature to something more interesting someday