Tag
disk-encryption
- May 16, 2026 Tweakable Encryption with XTS and the Limits of Length-Preserving Disk Encryption How sector encryption binds ciphertext to its disk location without expanding it, why XTS carries no integrity and what that permits an attacker with write access, and how tweak and key layout are fixed by the standard. cryptography
- Feb 13, 2026 Tweakable Block Ciphers and the Cost of Sector Independence How a public tweak makes one key behave like many, why the tweak must enter before the first round, and what XTS and Threefish give up to get it. cryptography