Security of the Suffix Keyed Sponge

We formalize and analyze the general suffix keyed sponge construction, a pseudorandom function built on top of a cryptographic permutation. The construction hashes its data using the (keyless) sponge construction, transforms part of the state using the secret key, and generates the tag from the out...

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Bibliographic Details
Main Authors: Christoph Dobraunig, Bart Mennink
Format: Article
Language:English
Published: Ruhr-Universität Bochum 2020-01-01
Series:IACR Transactions on Symmetric Cryptology
Subjects:
PRF
Online Access:https://tosc.iacr.org/index.php/ToSC/article/view/8463