Cryptology ePrint Archive: Report 2004/075

An Hybrid Mode of Operation

Alexis W. Machado

Abstract: In this paper I propose a tweakable block cipher construction with a mode of operation that combines counter and chaining methods. Using a single key, the direct application of this mode produces unrepeatable message authentication tags.

Category / Keywords: secret-key cryptography / hybrid mode, tweakable cipher, message authentication, MAC

Date: received 6 Mar 2004

Contact author: alexis machado at task com br

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Version: 20040311:182719 (All versions of this report)

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