FileVault

From Academic Kids

FileVault is a system that protects files on a computer. It can be found in the Mac OS X operating system versions 10.3 Panther and later.

It works by encrypting the user's home directory (~user) using a 128-bit Advanced Encryption Standard algorithm. The algorithm automatically encrypts and decrypts on the fly. Although early versions were slow and caused system hanging for high disc use applications, such as sound and video editing, FileVault is much improved in more recent versions of Mac OS X.

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