Welcome to the resource topic for 2024/484
Title:
Harmonizing PUFs for Forward Secure Authenticated Key Exchange with Symmetric Primitives
Authors: Harishma Boyapally, Durba Chatterjee, Kuheli Pratihar, Sayandeep Saha, Debdeep Mukhopadhyay, Shivam Bhasin
Abstract:Physically Unclonable Functions (PUFs) have been a potent choice for enabling low-cost, secure communication. However, in most applications, one party holds the PUF, and the other securely stores the challenge-response pairs (CRPs).
It does not remove the need for secure storage entirely, which is one of the goals of PUFs.
This paper proposes a PUF-based construction called Harmonizing PUFs ($\textsf{H_PUF}s), allowing two independent PUFs to generate the same outcome without storing any confidential data.
As an application of \textsf{H_PUF} construction, we present \textsf{H-AKE}$: a low-cost authenticated key exchange protocol for resource-constrained nodes that is secure against replay and impersonation attacks. The novelty of the protocol is that it achieves forward secrecy without requiring to perform asymmetric group operations like elliptic curve scalar multiplications underlying traditional key-exchange techniques.
ePrint: https://eprint.iacr.org/2024/484
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