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Original author(s)RW Penney
Stable release
5.0 / May 2, 2014; 4 years ago (2014-05-02)
Written inC
Operating systemLinux
Available inEnglish, French, German
TypeDisk encryption
LicenseGNU General Public License

cryptmount is a software tool for managing encrypted file systems under the Linux family of operating systems. It uses the device mapper and dm-crypt infrastructure to provide transparent encryption of file systems stored in disk partitions or within ordinary files.


The main features of cryptmount include:

  • An interactive setup script is supplied to allow basic, but effective, encrypted file systems to be created.
  • Filesystems can be (un)mounted whenever needed by ordinary users, without requiring superuser/administrator privileges.
  • Multiple encrypted filesystems can be stored within a single disk partition. Encrypted swap partitions are supported and can be configured automatically on system boot-up.
  • Configuration information about encrypted filesystems is stored within a free-format human-readable file.
  • Access keys can be protected by a wide range of encryption and hashing algorithms provided by the libgcrypt library, which can be compatible with the OpenSSL command-line tool. They can be stored and backed-up separately from the filesystem that they protect.

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