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BitLocker originated as a part of Microsoft's Next-Generation Secure Computing Base architecture in 2004 as a feature tentatively codenamed "Cornerstone" [4] [5] and was designed to protect information on devices, particularly if a device was lost or stolen.
VeraCrypt is a free and open-source utility for on-the-fly encryption (OTFE). [5] The software can create a virtual encrypted disk that works just like a regular disk but within a file.
The two main use cases are Data at Rest protection, and Cryptographic Disk Erasure. For Data at Rest protection a computer or laptop is simply powered off. The disk now self-protects all the data on it. The data is safe because all of it, even the OS, is now encrypted, with a secure mode of AES, and locked from reading and writing. The drive ...
The HBSH (hash, block cipher, stream cipher, hash) construction, published by Google employees in 2018, allows a fast stream cipher to be used in disk encryption. The Adiantum scheme used in low-end Android devices specifically chooses NH, 256-bit Advanced Encryption Standard (AES-256), ChaCha12, and Poly1305. The construction is tweakable and ...
FileVault uses the user's login password as the encryption pass phrase. It uses the XTS-AES mode of AES with 128 bit blocks and a 256 bit key to encrypt the disk, as recommended by NIST. [11] [12] Only unlock-enabled users can start or unlock the drive. Once unlocked, other users may also use the computer until it is shut down. [3]
A fringe use of the AES instruction set involves using it on block ciphers with a similarly-structured S-box, using affine transform to convert between the two. SM4, Camellia and ARIA have been accelerated using AES-NI. [52] [53] [54] The AVX-512 Galois Field New Instructions (GFNI) allows implementing these S-boxes in a more direct way. [55]
CryptoPro Secure Disk for BitLocker cpsd it-services GmbH 2012 Proprietary: Yes CryptSync Stefan Küng 2012 GPL v2: Yes Discryptor Cosect Ltd. 2008 Proprietary: No DiskCryptor: ntldr, David Xanatos 2007 GPL: No [12] DISK Protect Becrypt Ltd 2001 Proprietary: Yes Cryptsetup / Dmsetup: Christophe Saout 2004-03-11 [13] GPL: Yes Dm-crypt / LUKS ...
AES speed at 128, 192 and 256-bit key sizes. [clarification needed] [citation needed] Rijndael is free for any use public or private, commercial or non-commercial. [1] The authors of Rijndael used to provide a homepage [2] for the algorithm. Care should be taken when implementing AES in software, in particular around side-channel attacks.