LaBRADOR: compact proofs for R1CS from module-SIS

W Beullens, G Seiler - Annual International Cryptology Conference, 2023 - Springer
The most compact quantum-safe proof systems for large circuits are PCP-type systems such
as Ligero, Aurora, and Shockwave, that only use weak cryptographic assumptions, namely …

SLAP: succinct lattice-based polynomial commitments from standard assumptions

MR Albrecht, G Fenzi, O Lapiha, NK Nguyen - … International Conference on …, 2024 - Springer
Recent works on lattice-based extractable polynomial commitments can be grouped into two
classes:(i) non-interactive constructions that stem from the functional commitment by …

Concretely efficient lattice-based polynomial commitment from standard assumptions

I Hwang, J Seo, Y Song - Annual International Cryptology Conference, 2024 - Springer
Polynomial commitment is a crucial cryptographic primitive in constructing zkSNARKs. Most
practical constructions to date are either vulnerable against quantum adversaries or lack …

Aggregating falcon signatures with LaBRADOR

MA Aardal, DF Aranha, K Boudgoust, S Kolby… - Annual International …, 2024 - Springer
Several prior works have suggested to use non-interactive arguments of knowledge with
short proofs to aggregate signatures of Falcon, which is part of the first post-quantum …

Lattice-based polynomial commitments: Towards asymptotic and concrete efficiency

G Fenzi, H Moghaddas, NK Nguyen - Journal of Cryptology, 2024 - Springer
Polynomial commitments schemes are a powerful tool that enables one party to commit to a
polynomial p of degree d, and prove that the committed function evaluates to a certain value …

smartfhe: Privacy-preserving smart contracts from fully homomorphic encryption

R Solomon, R Weber… - 2023 IEEE 8th European …, 2023 - ieeexplore.ieee.org
Despite the great potential and flexibility of smart contract-enabled blockchains, building
privacy-preserving applications using these platforms remains an open question. Existing …

Lattice-based succinct arguments for np with polylogarithmic-time verification

J Bootle, A Chiesa, K Sotiraki - Annual International Cryptology …, 2023 - Springer
Succinct arguments that rely on the Merkle-tree paradigm introduced by Kilian (STOC 92)
suffer from larger proof sizes in practice due to the use of generic cryptographic primitives. In …

Multilinear Schwartz-Zippel Mod N and Lattice-Based Succinct Arguments

B Bünz, B Fisch - Theory of Cryptography Conference, 2023 - Springer
We show that for x← $[0, 2 λ) μ and any integer N the probability that f (x)≡ 0 mod N for any
non-zero multilinear polynomial f∈ Z [X 1,⋯, X μ], co-prime to N is inversely proportional to …

Post-Quantum Single Secret Leader Election (SSLE) from Publicly Re-Randomizable Commitments

D Boneh, A Partap, L Rotem - Cryptology ePrint Archive, 2023 - eprint.iacr.org
Abstract A Single Secret Leader Election (SSLE) enables a group of parties to randomly
choose exactly one leader from the group with the restriction that the identity of the leader …

Multilinear Schwartz-Zippel mod N with Applications to Succinct Arguments

B Bünz, B Fisch - Cryptology ePrint Archive, 2022 - eprint.iacr.org
We show that for $\mathbf {x}\gets [0, 2^\lambda)^\mu $ and any integer $ N $ the probability
that $ f (\mathbf {x})\equiv 0\bmod N $ for any non-zero multilinear polynomial $ f\in\mathbb …