On: Apple Exclaves

[saagarjha]

Secure PIN entry

[lxgr → saagarjha]

How? The secure enclave doesn't have any trusted input/output capabilities other than the power button double click and biometrics. The PIN isn't entered via these.

[saagarjha → lxgr]

There’s a thing which I know very little about personally but have hearsay of its existence where it rips control from XNU and takes over touch input for this

[hedora → lxgr]

Also, can't you just get the pin from the accelerometer? (It may take a few tries, but this was shown by academics a while back.)

[saagarjha → hedora]

My understanding is that sensors are disabled during this