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Pre-boot authentication can by performed by an add-on of the operating system like Linux Initial ramdisk or Microsoft's boot software of the system partition (or boot partition) or by a variety of full disk encryption (FDE) vendors that can be installed separately to the operating system. Legacy FDE systems tended to rely upon PBA as their ...
The software can create a virtual encrypted disk that works just like a regular disk but within a file. It can also encrypt a partition [6] or (in Windows) the entire storage device with pre-boot authentication. [7] VeraCrypt is a fork of the discontinued TrueCrypt project. [8] It was initially released on 22 June 2013.
Single sign-on: Whether credentials provided during pre-boot authentication will automatically log the user into the host operating system, thus preventing password fatigue and reducing the need to remember multiple passwords. Custom authentication: Whether custom authentication mechanisms can be implemented with third-party applications.
This ensures that authentication can take place in a controlled environment without the possibility of a bootkit being used to subvert the pre-boot decryption. With a pre-boot authentication environment, the key used to encrypt the data is not decrypted until an external key is input into the system. Solutions for storing the external key include:
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 full disk encryption) or with a BIOS password. In additions, some SEDs are support IEEE 1667 standard. [2]
TrueCrypt is a discontinued source-available freeware utility used for on-the-fly encryption (OTFE). It can create a virtual encrypted disk within a file, encrypt a partition, or encrypt the whole storage device (pre-boot authentication).
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Transparently encrypt entire partitions or volumes together with pre-boot authentication for encrypted boot partitions. Two-factor authentication. Support for size-efficient Dynamic Containers with the Smart Free Space Monitoring technology. [8] Hardware accelerated encryption. Anti-keylogging facilities to protect container and volume passwords.