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by haikuginger 3304 days ago
They actually don't; not for Macs anyway - although that might be different for the models with TouchID. FileVault on the Mac is entirely software-based.
1 comments

Yeah, on touchbar MPBs they store keys in the TouchID coprocessor which does the same as TPM on other machines.
Do they escrow across reboots? I know they don't on iOS.