PGP requires you to set up a public/private key pair with which the encryption is locked to. Once completed, a prompt appears before the OS X bootloader which asks for your passphrase. You can continue to use the system whilst first encryption is in progress and can restart/sleep the computer as well. I use this on both my iMac (early 2008) and MacBook Air (late 2008) with OS X 10.5.x.Įncryption takes several hours, depending on the size of your disk. This is in addition to Disk Utility on OS X which allows you to create disk images that are encrypted individually in the same way as described above.Īs was mentioned by Dave Cheney, PGP Whole Disk Encryption for OS X goes further than FileVault to actually encrypt the entire disk transparently to the OS.
Your first option is FileVault which is not full disk encryption, but individually encrypts the home directories of each user:
