Get simple access to encrypted Linux filesystems with cryptmount
Version 2.4.x of the Linux kernel allowed easy access to encrypted filesystems via the loopback device. While the 2.6 series provides improved facilities in the form of the device-mapper, they are more complicated to use and require superuser privileges. To get back to simplicity, English developer RW Penney created cryptmount, a utility that manages all the details so that a user can just type cryptmount my_filesystem or cryptmount -u my_filesystem to make their data available or hidden.
cryptmount makes it easy for anyone comfortable with the command line to access secure filesystems simply by typing their password. More mainstream encryption tools for Linux typically require users to have administrator rights, or to execute a complicated sequence of operations before using their filesystem or even changing their password, especially if they don’t need their encrypted data every time they boot up or log in. cryptmount allows sensitive personal information to be kept secure until it is actually needed, especially if the user doesn’t need access every day. The package also includes a cryptmount-setup script that lets users interactively set up a basic encrypted filesystem without needing to repartition the hard disk.
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