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The advantages of filesystem-level encryption include more flexible file-based [[key management]] and [[access control]] with [[public-key encryption]] and the fact that [[key (cryptography)|cryptographic keys]] are only kept in memory while a file using them is opened. Unlike full disk encryption, filesystem-level encryption does not typically encrypt filesystem metadata, such as the directory structure, file names, modification timestamps or sizes.
Notable filesystems that support this kind of encryption include [[HFS Plus]] and the [[Encrypting File System]] layer of [[NTFS]].
==See also==
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