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2024 | OriginalPaper | Buchkapitel

Ascon MAC, PRF, and Short-Input PRF

Lightweight, Fast, and Efficient Pseudorandom Functions

verfasst von : Christoph Dobraunig, Maria Eichlseder, Florian Mendel, Martin Schläffer

Erschienen in: Topics in Cryptology – CT-RSA 2024

Verlag: Springer Nature Switzerland

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Abstract

In 2023, NIST has selected Ascon as the new standard for lightweight cryptography. The Ascon v1.2 family provides authenticated encryption, hash functions, and extendable output functions, all using the same Ascon permutation. The main use case of Ascon is to provide efficient cryptographic primitives for resource-constraint devices. While additional primitives can be built on top of the existing Ascon functions, dedicated schemes are often more efficient. In this paper, we enrich the functionality of Ascon by providing efficient Pseudorandom Functions (PRFs), Message Authentication Codes (MACs), and a fast short-input PRF for messages up to 128 bits.

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Titel: Ascon MAC, PRF, and Short-Input PRF
verfasst von: Christoph Dobraunig
Maria Eichlseder
Florian Mendel
Martin Schläffer
Verlag: Springer Nature Switzerland
Buch: Topics in Cryptology – CT-RSA 2024
Print ISBN: 978-3-031-58867-9

Electronic ISBN: 978-3-031-58868-6

Copyright-Jahr: 2024
DOI: https://doi.org/10.1007/978-3-031-58868-6_15

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