Papers

2021

Shorter Lattice-based Zero-Knowledge Proofs for the Correctness of a Shuffle

WP5 Privacy-preserving protocols
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Towards Faster Polynomial-Time Lattice Reduction

Crypto
WP3 Computational problems, cryptanalysis and basic tools
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Authenticated Key-Exchange and Signatures with Tight Security in the Standard Model

Crypto
WP4 Building blocks for practical advanced protocols
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Compressing Proofs of k-Out-Of-n Partial Knowledge

Crypto
WP4 Building blocks for practical advanced protocols
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A Compressed Sigma-Protocol Theory for Lattices

Crypto
WP4 Building blocks for practical advanced protocols
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Secure Computation from One-Way Noisy Communication, or: Anti-correlation via Anti-concentration

Crypto
WP3 Computational problems, cryptanalysis and basic tools
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Lattice Reduction with Approximate Enumeration Oracles

Crypto
WP3 Computational problems, cryptanalysis and basic tools
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Subtractive Sets over Cyclotomic Rings: Limits of Schnorr-Like Arguments over Lattices

Crypto
WP4 Building blocks for practical advanced protocols
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Time- and Space-Efficient Arguments from Groups of Unknown Order

Crypto
WP4 Building blocks for practical advanced protocols
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Implementation of Lattice Trapdoors on Modules and Applications

WP3 Computational problems, cryptanalysis and basic tools
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On the hardness of Module-LWE with binary secrets

CT-RSA
WP3 Computational problems, cryptanalysis and basic tools
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On Bounded Distance Decoding with Predicate: Breaking the “Lattice Barrier” for the Hidden Number Problem

Eurocrypt
WP3 Computational problems, cryptanalysis and basic tools
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Analysing the HPKE Standard

Eurocrypt
WP3 Computational problems, cryptanalysis and basic tools
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Bifurcated Signatures: Folding the Accountability vs. Anonymity Dilemma into a Single Private Signing Scheme

Eurocrypt
WP5 Privacy-preserving protocols
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Paper in PDF

A note on short invertible ring elements and applications to cyclotomic and trinomials number fields

WP4 Building blocks for practical advanced protocols
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Discretisation and Product Distributions in Ring-LWE

WP4 Building blocks for practical advanced protocols
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On the Integer Polynomial Learning with Errors Problem

PKC
WP3 Computational problems, cryptanalysis and basic tools
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Non-Interactive CCA2-Secure Threshold Cryptosystems: Achieving Adaptive Security in the Standard Model Without Pairings

PKC
WP4 Building blocks for practical advanced protocols
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Round-Optimal Verifiable Oblivious Pseudorandom Functions from Ideal Lattices

PKC
WP4 Building blocks for practical advanced protocols
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Can PPAD Hardness be Based on Standard Cryptographic Assumptions?

WP3 Computational problems, cryptanalysis and basic tools
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Middly Short Vectors in Cyclomatic Ideal Lattices in Quantum Polynomial Time

WP3 Computational problems, cryptanalysis and basic tools
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2020

Cryptography from One-Way Communication: On Completeness of Finite Channels

Asiacrypt
WP4 Building blocks for practical advanced protocols
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Paper in PDF

Simulation-Sound Arguments for LWE and Applications to KDM-CCA2 Security

Asiacrypt
WP4 Building blocks for practical advanced protocols
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Towards Classical Hardness of Module LWE: The Linear Rank Case

Asiacrypt
WP3 Computational problems, cryptanalysis and basic tools
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Estimating quantum speedups for lattice sieves

Asiacrypt
WP3 Computational problems, cryptanalysis and basic tools
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Paper in PDF