Post-quantum cryptography: an introductory overview and implementation challenges of quantum-resistant algorithms
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Publication date
2022
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04B - Conference paper
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Proceedings of the Society 5.0 Conference 2022 - Integrating digital world and real world to resolve challenges in business and society
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EPiC Series in Computing
Series number
84
Volume
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Pages / Duration
61-71
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Brugg-Windisch
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Abstract
Cryptographic algorithms are an essential measure to ensure confidentiality and integrity of internet communication. The development of quantum computers (QCs) and their potential to utilize Shor’s Law, is increasingly recognized as a threat to asymmetric cryptography. In response, post-quantum cryptography (PQC) is gaining prominence as a notable field of research aiming to standardize quantum resistant algorithms before the operational usage of QCs. This paper is addressed to people with preliminary knowledge in the field of cryptography and QC. Based on a literature review, the authors provide an overview of challenges faced by the research community and elaborate the advancements in addressing post-quantum threats. A migration strategy from classical cryptosystems to PQC systems is in development, but obstacles such as time constraints and improper implementation complicate the process. Full implementation could take a decade or more. Until then, our paper aims to create awareness for potential challenges when transitioning towards PQC. As categorization scheme for these potential obstacles, we refer to a well- established model in cybersecurity – the McCumber Cube. Conclusions embrace preparing for risks of improper implementation and deriving a multi-step migration. Special attention is expected to be needed for data migration of existing data sets. As a request for future research in PQC, the authors identified the process of implementing post-cryptography standards, e.g., from the National Institute of Standards and Technology (NIST), and an assessment of the perceived readiness of industry to adapt.
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Event
Society 5.0 Integrating Digital World and Real World to Resolve Challenges in Business and Society
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Conference start date
20.06.2022
Conference end date
22.06.2022
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Language
English
Created during FHNW affiliation
Yes
Strategic action fields FHNW
Publication status
Published
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Peer review of the complete publication
Open access category
Gold
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Citation
Käppler, S., & Schneider, B. (2022). Post-quantum cryptography: an introductory overview and implementation challenges of quantum-resistant algorithms. In K. Hinkelmann & A. Gerber (Eds.), Proceedings of the Society 5.0 Conference 2022 - Integrating digital world and real world to resolve challenges in business and society (pp. 61–71). https://doi.org/10.29007/2tpw