Xinyu Zhang |  Ron Steinfeld... -  《Advances in Cryptology - CRYPTO 2024: 44th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 18-22, 2024, Proceedings, Part I》 -  Annual International Cryptology Conference - 2024, - 3～38 - 共36页

摘要：We design and implement a novel post-quantum signature scheme based on the Legendre PRF, named Loquat. Prior to this work, efficient approaches for constructing post-quantum signatures with comparable...

关键词： Post-Quantum signature |  Legendre PRF |  SNARK |  Aggregate signature |  ID-Based ring signature

Xinyu Zhang |  Ron Steinfeld... -  《Information Security and Privacy: 29th Australasian Conference, ACISP 2024, Sydney, NSW, Australia, July 15-17, 2024, Proceedings, Part II》 -  Australasian Conference on Information Security and Privacy - 2024, - 124～143 - 共20页

摘要：Ring signatures allow a signer to anonymously sign a message on behalf of a spontaneously formed group. It not only ensures the authenticity of the message but also conceals the true signer within the...

关键词： Ring signature |  Linkability |  Post-Quantum |  Symmetric key primitives

Muhammed F. Esgin |  Ron Steinfeld... -  《Advances in Cryptology - CRYPTO 2022: 43rd Annual International Cryptology Conference, CRYPTO 2023, Santa Barbara, CA, USA, August 20-24, 2023, Proceedings, Part V》 -  Annual International Cryptology Conference - 2023, - 484～517 - 共34页

摘要：In this work, we study hybrid exact/relaxed zero-knowledge proofs from lattices, where the proved relation is exact in one part and relaxed in the other. Such proofs arise in important real-life appli...

关键词： Lattice |  Zero-Knowledge proofs |  Post-Quantum |  Learning with rounding |  Verifiable random function

Xianrui Qin |  Shimin Pan... -  《2023 IEEE Symposium on Security and Privacy: SP 2023, San Francisco, California, USA, 22-25 May 2023, [v.5]》 -  IEEE Symposium on Security and Privacy - 2023, - 2462～2480 - 共19页

摘要：Payment Channel Hub (PCH) is a promising solution to the scalability issue of first-generation blockchains or cryptocurrencies such as Bitcoin. It supports off-chain payments between a sender and a re...

关键词： Privacy |  Protocols |  Scalability |  Receivers |  Bitcoin |  Bidirectional control |  Blockchains

Muhammed F. Esgin |  Ron Steinfeld... -  《Public-Key Cryptography – PKC 2022, part 1: 25h IACR International Conference on Practice and Theory of Public-Key Cryptography (PKC 2022), Virtual Event, March 8–11, 2022》 -  International Conference on Practice and Theory of Public-Key Cryptography - 2022, - 317～348 - 共32页

摘要：We introduce verifiable partially-decryptable commitments (VPDC), as a building block for constructing efficient privacy-preserving protocols supporting auditability by a trusted party. A VPDC is an e...

关键词： Lattice |  Zero Knowledge |  Verifiable Partially-Decryptable Commitment |  Auditable RingCT |  Accountable Ring Signature

NSTL主题词： crystal lattices

Xiaohui Ding |  Muhammed F. Esgin... -  《Information Security and Privacy: 27th Australasian Conference, ACISP 2022, Wollongong, NSW, Australia, November 28-30, 2022, Proceedings》 -  Australasian Conference on Information Security and Privacy - 2022, - 332～351 - 共20页

摘要：The One-Way to Hiding (O2H) Lemma proposed by Bindel et al. (TCC '19) is a central component of proofs of chosen-ciphertext attack (CCA) security of practical public-key encryption schemes in the Quan...

关键词： Post-quantum cryptography |  Crystals-Kyber |  One-way to hiding |  Tight security

Muhammed F. Esgin |  Ron Steinfeld... -  《2022 IEEE Symposium on Security and Privacy: SP 2022, San Francisco, California, USA, 23-26 May 2022, [v.1]》 -  IEEE Symposium on Security and Privacy - 2022, - 1281～1298 - 共18页

摘要：We introduce MatRiCT+, a practical private blockchain payment protocol based on “post-quantum” lattice assumptions. MatRiCT+ builds on MatRiCT due to Esgin et al. (ACM CCS’19) and, in general, follows...

关键词： Privacy |  Protocols |  Lattices |  Blockchains |  Cryptocurrency

Tsz Hon Yuen |  Muhammed F. Esgin... -  《Advances in cryptology -- CRYPTO 2021 : Part I》 -  International Cryptology Conference - 2021, - 251～281 - 共31页

摘要：We introduce a novel generic ring signature construction, called DualRing, which can be built from several canonical identification schemes (such as Schnorr identification). DualRing differs from the ...

关键词： Ring signature |  Generic construction |  Sum argument |  M-LWE/SIS

NSTL主题词： RINGS |  rings |  Ring device |  Annulus |  signatures

Muhammed F. Esgin |  Veronika Kuchta... -  《Financial Cryptography and Data Security: 25th International Conference, FC 2021, Virtual Event, March 1–5, 2021, Revised Selected Papers, Part II》 -  International Conference on Financial Cryptography and Data Security - 2021, - 560～578 - 共19页

摘要：In this work, we introduce the first practical post-quantum verifiable random function (VRF) that relies on well-known (module) lattice problems, namely Module-SIS and Module-LWE. Our construction, na...

关键词： Post-quantum |  Verifiable random function |  Blockchain |  Lattice |  Algorand

NSTL主题词： RANDOM FUNCTIONS

Muhammed F. Esgin |  Oguzhan Ersoy... -  《Computer Security - ESORICS 2020, Part 2: 25th European Symposium on Research in Computer Security (ESORICS 2020), 14-18 September 2020, Guidford, UK》 -  European Symposium on Research in Computer Security - 2020, - 378～397 - 共20页

摘要：Adaptor signatures, also known as scriptless scripts, have recently become an important tool in addressing the scalability and interoperability issues of blockchain applications such as cryptocurrenci...

关键词： Post-quantum |  Blockchain |  Lattice |  Adaptor signature |  Scriptless script |  Payment channel network

NSTL主题词： payment |  signatures |  Network