Ciphers that Securely Encipher their own Keys

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Paper 2011/432

Ciphers that Securely Encipher their own Keys

Mihir Bellare and David Cash and Sriram Keelveedhi

Abstract

In response to needs of disk encryption standardization bodies, we provide the first tweakable ciphers that are proven to securely encipher their own keys. We provide both a narrowblock design StE and a wideblock design EtE. Our proofs assume only standard PRP-CCA security of the underlying tweakable ciphers.

Metadata

Available format(s): PDF PS
Category: Secret-key cryptography
Publication info: Published elsewhere. Preliminary version appears in Proceedings of ACM CCS 2011 conference. This is the full version.
Keywords: ciphers disk encryption key-dependent messages
Contact author(s): sriramkr @ cs ucsd edu
History: 2011-10-09: revised; 2011-08-12: received; See all versions
Short URL: https://ia.cr/2011/432
License: CC BY