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A Strongly Unforgeable Homomorphic MAC over Integers

open access: yesJournal of the Korea Institute of Information Security and Cryptology, 2014
Homomorphic MAC is a cryptographic primitive which protects authenticity of data, while allowing homomorphic evaluation of such protected data. In this paper, we present a new homomorphic MAC, which is based on integers, relying only on the existence of secure PRFs, and having efficiency comparable to the practical Catalano-Fiore homomorphic MAC.
Joo, Chihong, Yun, Aaram
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