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The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS [1] that provides filesystem-level encryption.The technology enables files to be transparently encrypted to protect confidential data from attackers with physical access to the computer.
On Windows Vista and later versions, passwords are encrypted in process memory using Windows Data Protection API, which allows storing the key for memory protection in a secure, non-swappable memory area. On previous Windows systems, KeePass falls back to using the ARC4 cipher with a temporary, random session key. [25]
A main encryption/decryption key is derived from user's password by PBKDF2 function. [2] Particular data binary large objects can be encrypted in a way that salt is added and/or an external user-prompted password (aka "Strong Key Protection") is required. The use of a salt is a per-implementation option – i.e. under the control of the ...
BitLocker uses a low-level device driver to encrypt and decrypt all file operations, making interaction with the encrypted volume transparent to applications running on the platform. [40] Encrypting File System (EFS) may be used in conjunction with BitLocker to provide protection once the operating system is running. Protection of the files ...
NTFS with Encrypting File System (EFS) for Microsoft Windows; ZFS since Pool Version 30; Ext4, added in Linux kernel 4.1 [1] in June 2015; F2FS, added in Linux kernel 4.2 [2] [non-primary source needed] UBIFS, added in Linux kernel 4.10 [3] CephFS, added in Linux kernel 6.6 [4] bcachefs (experimental), added in Linux kernel 6.7 [5] APFS, macOS ...
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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 ...
The Security Account Manager (SAM) is a database file [1] in Windows NT, Windows 2000, Windows XP, Windows Vista, Windows 7, 8.1, 10 and 11 that stores users' passwords. It can be used to authenticate local and remote users.