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The Exact Security of PMAC

2017
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IACR Transactions on Symmetric Cryptology
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PMAC is a simple and parallel block-cipher mode of operation, which was introduced by Black and Rogaway at Eurocrypt 2002. If instantiated with a (pseudo)random permutation over n-bit strings, PMAC constitutes a provably secure variable input-length (pseudo)random function. For adversaries making q queries, each of length at most l (in n-bit blocks), and of total length σ ≤ ql, the original paper proves an upper bound on the distinguishing advantage of Ο(σ2/2n), while the currently best bound

doi:10.46586/tosc.v2016.i2.145-161
fatcat:mty7azhebnef5hmdiypxwgysoe