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Note that this mode requires that the BIOS on the protected machine supports the reading of USB devices in the pre-OS environment. BitLocker does not support smart cards for pre-boot authentication. [31] The following combinations of the above authentication mechanisms are supported, all with an optional escrow recovery key: TPM only [32] TPM ...
Multiple keys: Whether an encrypted volume can have more than one active key. Passphrase strengthening: Whether key strengthening is used with plain text passwords to frustrate dictionary attacks, usually using PBKDF2 or Argon2. Hardware acceleration: Whether dedicated cryptographic accelerator expansion cards can be taken advantage of.
The Linux Unified Key Setup (LUKS) is a disk encryption specification created by Clemens Fruhwirth in 2004 and originally intended for Linux. LUKS implements a platform-independent standard on-disk format for use in various tools.
These implementations can wrap the decryption key using the TPM, thus tying the hard disk drive (HDD) to a particular device. If the HDD is removed from that particular device and placed in another, the decryption process will fail. Recovery is possible with the decryption password or token. The TPM can impose a limit on decryption attempts per ...
[6] [7] [8] BitLocker Drive Preparation Tool prepares the hard drive to be encrypted with BitLocker, [9] whereas Secure Online Key Backup enabled users to create an off-site backup of their BitLocker recovery password and Encrypting File System recovery certificates at Digital Locker, as part of the Windows Marketplace digital distribution ...
Volumes encrypted with Bitlocker can be mounted if a recovery key is available. Windows Recovery Environment can also be installed to a hard drive partition by OEMs, [28] and customized with additional tools such as a separate system recovery tool for restoring the computer back to its original state. [29] As of Windows Vista SP1, users can ...
Key management takes place within the hard disk controller and encryption keys are 128 or 256 bit Advanced Encryption Standard (AES) keys. Authentication on power up of the drive must still take place within the CPU via either a software pre-boot authentication environment (i.e., with a software-based full disk encryption component - hybrid ...
When FileVault 2 is enabled while the system is running, the system creates and displays a recovery key for the computer, and optionally offers the user to store the key with Apple. The 120 bit recovery key is encoded with all letters and numbers 1 through 9, and read from /dev/random, and therefore relies on the security of the PRNG used in ...