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Screenshot of the Syskey utility on the Windows 8.1 operating system requesting the user to enter a password.. The SAM Lock Tool, better known as Syskey (the name of its executable file), is a discontinued component of Windows NT that encrypts the Security Account Manager (SAM) database using a 128-bit RC4 encryption key.
BitLocker is a logical volume encryption system. (A volume spans part of a hard disk drive, the whole drive or more than one drive.) When enabled, TPM and BitLocker can ensure the integrity of the trusted boot path (e.g. BIOS and boot sector), in order to prevent most offline physical attacks and boot sector malware. [37]
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.
Some disk encryption software (e.g., TrueCrypt or BestCrypt) provide features that generally cannot be accomplished with disk hardware encryption: the ability to mount "container" files as encrypted logical disks with their own file system; and encrypted logical "inner" volumes which are secretly hidden within the free space of the more obvious ...
EgoSecure HDD Encryption EgoSecure GmbH 2006 Proprietary: Yes EncFS: Valient Gough 2003 [17] LGPLv3: No EncryptStick ENC Security Systems 2009 Proprietary: Yes FileVault: Apple Inc. 2003-10-24 Proprietary: Yes FileVault 2: Apple Inc. 2011-07-20 Proprietary: Yes FREE CompuSec CE-Infosys 2002 Proprietary: Yes FreeOTFE: Sarah Dean 2004-10-10 [18 ...
The version, cluster size and other features of the filesystem can be queried with the command fsutil fsinfo refsinfo volumename. 1.1 : The original version, formatted by Windows Server 2012 . 1.2 : Default version if formatted by Windows 8.1 , Windows 10 RTM to v1607, Windows Server 2012 R2, and when specified ReFSv1 on Windows Server 2016.
Crypto-shredding is the practice of 'deleting' data by (only) deleting or overwriting the encryption keys. When a cryptographic disk erasure (or crypto erase) command is given (with proper authentication credentials), the drive self-generates a new media encryption key and goes into a 'new drive' state. [10]
In the case of disk encryption applications that can be configured to allow the operating system to boot without a pre-boot PIN being entered or a hardware key being present (e.g. BitLocker in a simple configuration that uses a TPM without a two-factor authentication PIN or USB key), the time frame for the attack is not limiting at all. [2]