Xts-aes-128
: Since OS X Lion, FileVault 2 has used XTS-AES-128 with a 256-bit key to protect the startup volume.
2^64 blocks = 256 exabytes (2^64 * 16 bytes). For a single drive writing at 1 GB/s, that would take over 8 million years. xts-aes-128
To create an XTS-AES-128 encrypted volume with LUKS2: : Since OS X Lion, FileVault 2 has