[Cryptography] Apple GovtOS/FBiOS & Proof of Work

[Henry Baker]

At 02:51 PM 3/19/2016, Tom Mitchell wrote:
>So simply fiddling some bits in an object to satisfy a check sum check seems insufficient.

It's not just a "check sum", it's a first-class crypto hash function.

This proof-of-work strategy works just fine for Bitcoin; I just suggested moving it over to protect the Apple firmware loading sequence.