Simple three-round multiparty schnorr signing with full simulatability

Y Lindell - Cryptology eprint Archive, 2022 - eprint.iacr.org
In a multiparty signing protocol, also known as a threshold signature scheme, the private
signing key is shared amongst a set of parties and only a quorum of those parties can …

Adaptively secure bls threshold signatures from ddh and co-cdh

S Das, L Ren - Annual International Cryptology Conference, 2024 - Springer
Threshold signatures are one of the most important cryptographic primitives in distributed
systems. A popular choice of threshold signature scheme is the BLS threshold signature …

Two-round threshold signature from algebraic one-more learning with errors

T Espitau, S Katsumata, K Takemure - Annual International Cryptology …, 2024 - Springer
Threshold signatures have recently seen a renewed interest due to applications in
cryptocurrency while NIST has released a call for multi-party threshold schemes, with a …

{ElectionGuard}: a Cryptographic Toolkit to Enable Verifiable Elections

J Benaloh, M Naehrig, O Pereira… - 33rd USENIX Security …, 2024 - usenix.org
ElectionGuard is a flexible set of open-source tools that—when used with traditional election
systems—can produce end-to-end verifiable elections whose integrity can be verified by …

Twinkle: Threshold signatures from ddh with full adaptive security

R Bacho, J Loss, S Tessaro, B Wagner… - … Conference on the Theory …, 2024 - Springer
Sparkle is the first threshold signature scheme in the pairing-free discrete logarithm setting
(Crites, Komlo, Maller, Crypto 2023) to be proven secure under adaptive corruptions …

HARTS: High-threshold, adaptively secure, and robust threshold schnorr signatures

R Bacho, J Loss, G Stern, B Wagner - … on the Theory and Application of …, 2024 - Springer
Threshold variants of the Schnorr signature scheme have recently been at the center of
attention due to their applications to cryptocurrencies. However, existing constructions for …

Partially non-interactive two-round lattice-based threshold signatures

R Chairattana-Apirom, S Tessaro, C Zhu - International Conference on the …, 2024 - Springer
This paper gives the first lattice-based two-round threshold signature based on standard
lattice assumptions for which the first message is independent of the message being signed …

Adaptively Secure 5 Round Threshold Signatures from  and  with Rewinding

S Katsumata, M Reichle, K Takemure - Annual International Cryptology …, 2024 - Springer
T-out-of-N threshold signatures have recently seen a renewed interest, with various types
now available, each offering different tradeoffs. However, one property that has remained …

Round-optimal, fully secure distributed key generation

J Katz - Annual International Cryptology Conference, 2024 - Springer
Protocols for distributed (threshold) key generation (DKG) in the discrete-logarithm setting
have received a tremendous amount of attention in the past few years. Several synchronous …