Cryptology ePrint Archive: Report 2019/681

Lattice-based Cryptography for IoT in A Quantum World: Are We Ready?

Ayesha Khalid and Sarah McCarthy and Weiqiang Liu and Maire O’Neill

Abstract: The impending realization of scalable quantum computers has led to active research in Post Quantum Cryptography (PQC). The challenge is harder for embedded IoT (edge) devices, due to their pervasive diffusion in today's world as well as their stricter resources (tight area and energy budgets). Amongst various classes of quantum-resistant cryptography schemes, Lattice-based Cryptography (LBC) is emerging as one of the most viable, almost half of the `survivors' of second round of the NIST's PQC competition are lattice-based in construction. This paper surveys the practicality of deployment of these schemes. In this context, the state-of-the-art LBC implementations on the constrained devices (including low-power FPGAs and embedded microprocessors), leading in terms of low-power footprint, small area, compact bandwidth requirements and high performance is fairly evaluated and bench-marked. The work concludes by identifying a suite of some favorite LBC schemes in terms of various IoT critical performance bench-marks.

Category / Keywords: public-key cryptography / Quantum Safe cryptography, Post quantum cryptography, IoT security, lattice based cryptography

Date: received 7 Jun 2019, last revised 7 Jun 2019

Contact author: a khalid at qub ac uk,smccarthy10@qub ac uk

Available format(s): PDF | BibTeX Citation

Version: 20190611:082335 (All versions of this report)

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