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The cryptsetup command-line interface, by default, does not write any headers to the encrypted volume, and hence only provides the bare essentials: encryption settings have to be provided every time the disk is mounted (although usually employed with automated scripts), and only one key can be used per volume; the symmetric encryption key is directly derived from the supplied passphrase.
The second command mounts the device on the directory /home/you/dir. The overall effect of executing these two commands is that the content of the file is used as a file system rooted at the mount point. To identify an available loop device for use in the above commands, the superuser (root) can use: losetup -f
The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices.It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots.
In computing, mount is a command in various operating systems. Before a user can access a file on a Unix-like machine, the file system on the device [1] which contains the file needs to be mounted with the mount command. Frequently mount is used for SD card, USB storage, DVD and other removable storage devices. The command is also available in ...
On a Linux system, the boot partition (/boot) may be encrypted if the bootloader itself supports LUKS (e.g. GRUB). This is undertaken to prevent tampering with the Linux kernel . However, the first stage bootloader or an EFI system partition cannot be encrypted (see Full disk encryption#The boot key problem ).
Well-known examples of disk encryption software include, BitLocker for Windows; FileVault for Apple OS/X; LUKS a standard free software mainly for Linux and TrueCrypt, a non-commercial freeware application, for Windows, OS/X and Linux.
Scramdisk 4 Linux Hans-Ulrich Juettner 2005-08-06 [30] GPL: No SecuBox Aiko Solutions 2007-02-19 Proprietary: Yes SECUDE Secure Notebook SECUDE 2003 Proprietary: Yes Seqrite Encryption Manager Quick Heal Technologies Ltd. 2017 Proprietary: Yes Sentry 2020: SoftWinter 1998 [31] Proprietary: No Softraid / RAID C OpenBSD 2007-11-01 [32] BSD: Yes ...
A mount point is a location in the partition used as a root filesystem. Many different types of storage exist, including magnetic, magneto-optical, optical, and semiconductor (solid-state) drives. Many different types of storage exist, including magnetic, magneto-optical, optical, and semiconductor (solid-state) drives.