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I thought current versions of FileVault encrypt the entire OS and the login screen is just a fancy boot partition?
by tempay 9y ago
I thought current versions of FileVault encrypt the entire OS and the login screen is just a fancy boot partition?
- Tsiklon 9y agoYou're mostly correct. On a CoreStorage Filevault 2 system, the Recovery HD is used as the boot loader, calling an EFI program named "boot.efi" present on the filesystem. On a APFS system things are a bit different; the Recovery HD is still used, however this is now a Logical volume presented from the main volume group, with the update to High Sierra a Firmware upgrade was pushed out to all supported systems enabling the EFI to grok APFS. Edit removed terminal output