Bringing Post-Quantum Cryptography to Practice

Project funded by Fundação para a Ciência e a Tecnologia, I.P. (FCT), grant 2021.07225.BD. Runs 2021-10-01 to 2025-09-30. Source: OpenAIRE Graph, from the funder's project data (collected by OpenAIRE on 2025-07-20); national funding data, not CORDIS. Abstract given by the source: Quantum computers will break the public-key cryptosystems we use pervasively. This risk has led to the development of post-quantum cryptographic (PQC) systems, believed not to be vulnerable to quantum attacks. Some PQC constructions are being considered for standardisation, but many challenges remain: although we have competitive alternatives for low-level components such as digital signatures and encryption, we do not have a systematic way of upgrading complex protocols used in practice to a post-quantum security level. The goal of this proposal is to contribute to the development of efficient post-quantum cryptographic systems that can replace existing protocols. We will focus on concrete applications, starting with passwordless authentication and messaging protocols, and progressing towards more complex protocols such as non-interactive proofs. We will focus on the challenges that arise in the provable security of such protocols, including security modeling, modular analysis for complex protocols, and proof techniques for efficient parameter selection.

Original source.

Source: OpenAIRE Graph: projects of national funders, OpenAIRE, from the project data of Fundação para a Ciência e a Tecnologia, I.P. (FCT). Retrieved 2026-10-22. Licence: Creative Commons Attribution 4.0 (OpenAIRE Graph). Selected metadata, adapted presentation; the publisher's record is authoritative. No endorsement by the source is implied. Licence: Creative Commons Attribution 4.0 (CC BY 4.0).

AI-assisted summary: The project "Bringing Post-Quantum Cryptography to Practice" is funded by FCT and runs from October 1, 2021, to September 30, 2025. It aims to develop efficient post-quantum cryptographic systems to replace existing protocols, addressing challenges in practical applications. Suggested technology pillar: communication. Generated by AI from the public source text; it may contain errors and the original source is authoritative.