Comment by commandersaki

Hard disagree with the sentiment; the crown jewels of their hardware is the Secure Enclave and its software SEPOS which has benefitted significantly having its secrecy maintained. For decades now it has remained very much a blackbox that nobody has successfully attacked; and if it were attacked we would definitely know as its application of subverting it would be obvious.

As for the registers itself, I concede that information about those specifically could've been made available.