Papers

August 2020

The Measure-and-Reprogram Technique 2.0: Multi-Round Fiat-Shamir and More

WP3 Computational problems, cryptanalysis and basic tools

LWE with Side Information: Attacks and Concrete Security Estimation

WP3 Computational problems, cryptanalysis and basic tools

June 2020

MPSign: a signature from small-secret middle-product learning with errors

WP4 Building blocks for practical advanced protocols

Adaptive Simulation Security of Inner Product Functional Encryption

WP4 Building blocks for practical advanced protocols

Limits on the Efficiency of (Ring) LWE Based Non-interactive Key Exchange

WP4 Building blocks for practical advanced protocols

May 2020

Hardness of LWE on General Entropic Distributions

WP3 Computational problems, cryptanalysis and basic tools

Measure-rewind-measure: tighter quantum random oracle model proofs for one-way to hiding lemma and CCA security

WP3 Computational problems, cryptanalysis and basic tools

Key Recovery from Gram--Schmidt Norm Leakage in Hash-and-Sign Signatures over NTRU Lattices

WP3 Computational problems, cryptanalysis and basic tools

Simpler Proofs of Quantumness

WP4 Building blocks for practical advanced protocols

February 2020

Witness Indistinguishability for Any Single-Round Argument with Applications to Access Control

WP4 Building blocks for practical advanced protocols

January 2020

On the smoothing parameter and the last minimum of random orthogonal codes

WP3 Computational problems, cryptanalysis and basic tools

Cryptography from Information Loss

WP3 Computational problems, cryptanalysis and basic tools

December 2019

RLWE-based Zero-Knowledge Proofs for linear and multiplicative relations

WP3 Computational problems, cryptanalysis and basic tools

Algebraic and Euclidean Lattices: Optimal Lattice Reduction and Beyond

WP3 Computational problems, cryptanalysis and basic tools

November 2019

Middle-Product Learning with Rounding Problem and its Applications

WP3 Computational problems, cryptanalysis and basic tools

Divisible E-Cash from Constrained Pseudo-Random Functions

WP5 Privacy-preserving protocols

Multi-Client Functional Encryption for Linear Functions in the Standard Model from LWE

WP4 Building blocks for practical advanced protocols

October 2019

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

WP3 Computational problems, cryptanalysis and basic tools

Security of the Fiat-Shamir Transformation in the Quantum Random-Oracle Model

WP4 Building blocks for practical advanced protocols

On the Shortness of Vectors to be found by the Ideal-SVP Quantum Algorithm

WP3 Computational problems, cryptanalysis and basic tools

On the Feasibility and Impact of Standardisation Sparse-secret LWE Parameter Sets for Homomorphic Encryption.

WP3 Computational problems, cryptanalysis and basic tools

September 2019

Exploring Trade-offs in Batch Bounded Distance Decoding

WP3 Computational problems, cryptanalysis and basic tools

An LLL Algorithm for Module Lattices

WP3 Computational problems, cryptanalysis and basic tools

August 2019

Implementing RLWE-based Schemes Using an RSA Co-Processor.

WP3 Computational problems, cryptanalysis and basic tools

July 2019

A refined analysis of the cost for solving LWE via uSVP.

WP3 Computational problems, cryptanalysis and basic tools