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Post Quantum Lattice Based Zero Knowledge

The world is on a seemingly irreversible path towards a more privacy-oriented and decentralized mode of storing and operating on data. A lot of this transformation is being enabled by advanced cryptography that’s designed to cut o... ver más

30/06/2026

IBM

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

IBM RESEARCH GMBH No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2021-04-19

ERC-2020-COG: ERC CONSOLIDATOR GRANTS

I+D

Cerrada hace 4 años

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No hay información privada compartida para este proyecto. Habla con el coordinador.

2 Participantes

IBM

2.00M€ | Lider

EUROPASTRY

750.51K€ | Participante

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Duración del proyecto: 62 meses Fecha Inicio: 2021-04-19
Fecha Fin: 2026-06-30

Líder del proyecto

IBM RESEARCH GMBH No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The world is on a seemingly irreversible path towards a more privacy-oriented and decentralized mode of storing and operating on data. A lot of this transformation is being enabled by advanced cryptography that’s designed to cut out the need for trusted third parties that we rely on today. The effect of this transformation is a more secure and, at the same time, a more efficient way of interaction in which the manual checks and audits are instead embedded into the cryptographic protocols themselves. Another technological development that’s on the horizon is a general-purpose quantum computer, whose utility comes from the fact that it will be able to solve some problems considerably faster than a classical computer. Because of the multitude of its positive scientific applications, building such a computer is being vigorously pursued by governments and private companies. The main negative consequence of quantum computing is that it breaks most of the cryptography that’s crucial to the privacy transformation. The main ingredient of privacy-centric cryptography is a zero-knowledge proof for showing knowledge of an x satisfying f(x) = y without revealing anything else about x. The most compact zero-knowledge proofs currently rely on the hardness of various mathematical assumptions which are no longer difficult in the presence of quantum computers. The central objective of the PLAZA project will be to create practical zero-knowledge proofs that can withstand quantum attacks by basing them on the hardness of lattice problems. Lattice problems are a very promising set of assumptions upon which to base cryptography and they are currently being used to create the most efficient quantum-resistant encryption and signature schemes. Creating more complex, but still practical, lattice-based schemes has so far proved to be a major challenge mostly due to the difficulty of constructing efficient zero-knowledge proofs – and this is the problem that the project proposes to solve.

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