Papers

2021

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

WP5 Privacy-preserving protocols
Link to the paper
Paper in PDF

Towards Faster Polynomial-Time Lattice Reduction

Crypto
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

A Compressed Sigma-Protocol Theory for Lattices

Crypto
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Authenticated Key-Exchange and Signatures with Tight Security in the Standard Model

Crypto
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Compressing Proofs of k-Out-Of-n Partial Knowledge

Crypto
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Time- and Space-Efficient Arguments from Groups of Unknown Order

Crypto
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Secure Computation from One-Way Noisy Communication, or: Anti-correlation via Anti-concentration

Crypto
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

Lattice Reduction with Approximate Enumeration Oracles

Crypto
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

Subtractive Sets over Cyclotomic Rings: Limits of Schnorr-Like Arguments over Lattices

Crypto
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Implementation of Lattice Trapdoors on Modules and Applications

WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

On the hardness of Module-LWE with binary secrets

CT-RSA
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper
Paper in PDF

Bifurcated Signatures: Folding the Accountability vs. Anonymity Dilemma into a Single Private Signing Scheme

Eurocrypt
WP5 Privacy-preserving protocols
Link to the paper
Paper in PDF

On Bounded Distance Decoding with Predicate: Breaking the “Lattice Barrier” for the Hidden Number Problem

Eurocrypt
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper
Paper in PDF

Analysing the HPKE Standard

Eurocrypt
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
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
Link to the paper
Paper in PDF

Discretisation and Product Distributions in Ring-LWE

WP4 Building blocks for practical advanced protocols
Link to the paper
Paper in PDF

On the Integer Polynomial Learning with Errors Problem

PKC
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

Non-Interactive CCA2-Secure Threshold Cryptosystems: Achieving Adaptive Security in the Standard Model Without Pairings

PKC
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Round-Optimal Verifiable Oblivious Pseudorandom Functions from Ideal Lattices

PKC
WP4 Building blocks for practical advanced protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF

Can PPAD Hardness be Based on Standard Cryptographic Assumptions?

WP3 Computational problems, cryptanalysis and basic tools
Link to the paper
Paper in PDF

Middly Short Vectors in Cyclomatic Ideal Lattices in Quantum Polynomial Time

WP3 Computational problems, cryptanalysis and basic tools
Link to the paper
Paper in PDF

2020

Towards Classical Hardness of Module LWE: The Linear Rank Case

Asiacrypt
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

Estimating quantum speedups for lattice sieves

Asiacrypt
WP3 Computational problems, cryptanalysis and basic tools
Link to the paper, Link to the talk on Youtube
Paper in PDF

Non-interactive Composition of Sigma-Protocols via Share-then-Hash

Asiacrypt
WP4 Building blocks for practical advanced protocols
Link to the paper
Paper in PDF

Lattice-Based E-Cash, Revisited

Asiacrypt
WP5 Privacy-preserving protocols
Link to the paper, Link to the talk on Youtube
Paper in PDF