Sashimi: Cutting up CSI-FiSh Secret Keys to Produce an Actively Secure Distributed Signing Protocol

DOI10.1007/978-3-030-44223-1_10zbMath1501.94067OpenAlexW2983248381MaRDI QIDQ5041220

Daniele Cozzo, Nigel P. Smart

Publication date: 13 October 2022

Published in: Post-Quantum Cryptography (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/978-3-030-44223-1_10

zbMATH Keywords

CSI-FiSh signature schemedistributed signature scheme based on isogenies

Mathematics Subject Classification ID

Cryptography (94A60) Network protocols (68M12) Authentication, digital signatures and secret sharing (94A62) Quantum cryptography (quantum-theoretic aspects) (81P94)

Related Items

Post-quantum adaptor signature for privacy-preserving off-chain payments, Gladius: LWR Based Efficient Hybrid Public Key Encryption with Distributed Decryption, SCALLOP: scaling the CSI-FiSh, A lower bound on the length of signatures based on group actions and generic isogenies, On actively secure fine-grained access structures from isogeny assumptions, Calamari and Falafl: logarithmic (linkable) ring signatures from isogenies and lattices, \textsf{CSI-RAShi}: distributed key generation for CSIDH

Cites Work

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• Provable security of (tweakable) block ciphers based on substitution-permutation networks
• CSIDH: an efficient post-quantum commutative group action
• Sharing the LUOV: threshold post-quantum signatures
• CSI-FiSh: efficient isogeny based signatures through class group computations
• SeaSign: compact isogeny signatures from class group actions
• Faster SeaSign signatures through improved rejection sampling
• Threshold-Optimal DSA/ECDSA Signatures and an Application to Bitcoin Wallet Security
• Robust Threshold DSS Signatures
• Theory of Cryptography
• Fast secure two-party ECDSA signing