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Isogeny-based Toolbox for Post-quantum Cryptography

Project description

Maps that ensure malicious adversaries lose their way

The complexity of digital systems and communications is increasing at an astounding rate, as is digitalisation of all sorts of data. At the same time, those who would compromise these systems and data are increasing in number and capabilities. Conventional cryptography is evolving to evade these adversaries. This means preparing for quantum computing with algorithms that remain secure against attacks not only by classical computers but also by quantum ones – the topic of so-called post-quantum cryptography. The EU-funded ISOCRYPT project is exploiting special kinds of mathematical maps called isogenies in new algorithms for security in a pioneering cryptographic paradigm ready for deployment.

Objective

A quantum computer exploits quantum-mechanical effects such as superposition to solve hard mathematical problems that are intractable on classical computers. The most prominent example is Shor's algorithm that renders all widely deployed cryptographic systems such as included in TLS totally insecure, and thus also all digital services that crucially rely on them.

Post-quantum cryptography deals with the design and analysis of cryptographic algorithms that remain secure against attacks not only by classical computers, but also by quantum computers. The threat of quantum computers is a very real and pressing issue as evidenced by the ongoing NIST standardization effort for post-quantum cryptographic algorithms.

Isogenies are maps between elliptic curves, and hard problems related to the computation of such maps, have recently been proposed as a candidate for post-quantum cryptography. Due to its versatility, isogeny-based cryptography has the potential to become the only fully
fledged alternative to lattice-based cryptography, providing much needed diversity.

The goal of ISOCRYPT is to develop the full potential of isogeny-based cryptography into a secure, efficient and practical approach to post-quantum cryptography, and to provide a toolbox to easily instantiate secure isogeny-based applications. To achieve this goal, a number of key research challenges need to be solved: determining the exact security of isogeny-based systems, providing efficient
and secure implementations and building a suite isogeny-based post-quantum secure applications. Our approach to solving these challenges relies on a deep exploration of the mathematical properties of isogenies, guided by the functionalities needed to build practical applications.

This proposal will build on the renowned expertise of the PI and his team in mathematical foundations of post-quantum cryptography to ready isogeny-based cryptography for real world deployment.

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Programme(s)

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Topic(s)

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

ERC-ADG - Advanced Grant

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Call for proposal

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(opens in new window) ERC-2020-ADG

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Host institution

KATHOLIEKE UNIVERSITEIT LEUVEN
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 2 495 575,00
Address
OUDE MARKT 13
3000 Leuven
Belgium

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Region
Vlaams Gewest Prov. Vlaams-Brabant Arr. Leuven
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 2 495 575,00

Beneficiaries (1)

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