Filesystem-level encryption: Difference between revisions

Revision as of 21:56, 2 May 2008

Revision as of 21:56, 2 May 2008

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==General-purpose file systems with encryption==

Unlike cryptographic file systems or full disk encryption, general-purpose file systems that include filesystem-level encryption do not typically encrypt file system [[metadata]], such as the directory structure, file names, sizes or modification timestamps. This can be problematic if the metadata itself needs to be kept confidential. In other words, if files are stored with identifying file names, anyone who has access to the physical disk can know thewhich documents that are stored on the disk, although not the contents of the documents.

==Cryptographic file systems==