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ORCIDShuichi Katsumata
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2020 – today
- 2024
[j12]Shuichi Katsumata
, Yi-Fu Lai, Jason T. LeGrow, Ling Qin:
CSI-Otter: isogeny-based (partially) blind signatures from the class group action with a twist. Des. Codes Cryptogr. 92(11): 3587-3643 (2024)- [j11]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Compact NIZKs from Standard Assumptions on Bilinear Maps. J. Cryptol. 37(3): 23 (2024) - [c39]Thomas Espitau, Shuichi Katsumata, Kaoru Takemure:
Two-Round Threshold Signature from Algebraic One-More Learning with Errors. CRYPTO (7) 2024: 387-424 - [c38]Rafaël del Pino, Shuichi Katsumata, Thomas Prest, Mélissa Rossi:
Raccoon: A Masking-Friendly Signature Proven in the Probing Model. CRYPTO (1) 2024: 409-444 - [c37]Shuichi Katsumata, Michael Reichle, Kaoru Takemure:
Adaptively Secure 5 Round Threshold Signatures from MLWE/MSIS and DL with Rewinding. CRYPTO (7) 2024: 459-491 - [c36]Rafaël Del Pino, Shuichi Katsumata, Mary Maller, Fabrice Mouhartem, Thomas Prest, Markku-Juhani O. Saarinen:
Threshold Raccoon: Practical Threshold Signatures from Standard Lattice Assumptions. EUROCRYPT (2) 2024: 219-248 - [c35]Shuichi Katsumata, Yi-Fu Lai, Michael Reichle:
Breaking Parallel ROS: Implication for Isogeny and Lattice-Based Blind Signatures. Public Key Cryptography (1) 2024: 319-351 - [i37]Rafaël Del Pino, Shuichi Katsumata, Mary Maller, Fabrice Mouhartem, Thomas Prest, Markku-Juhani O. Saarinen:
Threshold Raccoon: Practical Threshold Signatures from Standard Lattice Assumptions. IACR Cryptol. ePrint Arch. 2024: 184 (2024) - [i36]Thomas Espitau, Shuichi Katsumata, Kaoru Takemure:
Two-Round Threshold Signature from Algebraic One-More Learning with Errors. IACR Cryptol. ePrint Arch. 2024: 496 (2024) - [i35]Shuichi Katsumata, Michael Reichle, Kaoru Takemure:
Adaptively Secure 5 Round Threshold Signatures from MLWE/MSIS and DL with Rewinding. IACR Cryptol. ePrint Arch. 2024: 1033 (2024) - [i34]Rafaël del Pino, Shuichi Katsumata, Thomas Prest, Mélissa Rossi:
Raccoon: A Masking-Friendly Signature Proven in the Probing Model. IACR Cryptol. ePrint Arch. 2024: 1291 (2024) - [i33]Goichiro Hanaoka, Shuichi Katsumata, Kei Kimura, Kaoru Takemure, Shota Yamada:
Tighter Adaptive IBEs and VRFs: Revisiting Waters' Artificial Abort. IACR Cryptol. ePrint Arch. 2024: 1481 (2024) - 2023
- [j10]Shuichi Katsumata, Toi Tomita, Shota Yamada:
Direct computation of branching programs and its applications to more efficient lattice-based cryptography. Des. Codes Cryptogr. 91(2): 391-431 (2023) - [j9]Ward Beullens, Samuel Dobson, Shuichi Katsumata, Yi-Fu Lai, Federico Pintore:
Group signatures and more from isogenies and lattices: generic, simple, and efficient. Des. Codes Cryptogr. 91(6): 2141-2200 (2023) - [c34]Shuichi Katsumata, Michael Reichle, Yusuke Sakai:
Practical Round-Optimal Blind Signatures in the ROM from Standard Assumptions. ASIACRYPT (2) 2023: 383-417 - [c33]Shuichi Katsumata, Yi-Fu Lai, Jason T. LeGrow, Ling Qin:
CSI -Otter: Isogeny-Based (Partially) Blind Signatures from the Class Group Action with a Twist. CRYPTO (3) 2023: 729-761 - [c32]Ryuya Hayashi, Taiki Asano, Junichiro Hayata, Takahiro Matsuda, Shota Yamada, Shuichi Katsumata, Yusuke Sakai, Tadanori Teruya, Jacob C. N. Schuldt, Nuttapong Attrapadung, Goichiro Hanaoka, Kanta Matsuura, Tsutomu Matsumoto:
Signature for Objects: Formalizing How to Authenticate Physical Data and More. FC (1) 2023: 182-199 - [i32]Shuichi Katsumata, Yi-Fu Lai, Jason T. LeGrow, Ling Qin:
CSI-Otter: Isogeny-based (Partially) Blind Signatures from the Class Group Action with a Twist. IACR Cryptol. ePrint Arch. 2023: 1239 (2023) - [i31]Shuichi Katsumata, Michael Reichle, Yusuke Sakai:
Practical Round-Optimal Blind Signatures in the ROM from Standard Assumptions. IACR Cryptol. ePrint Arch. 2023: 1447 (2023) - [i30]Shuichi Katsumata, Yi-Fu Lai, Michael Reichle:
Breaking Parallel ROS: Implication for Isogeny and Lattice-based Blind Signatures. IACR Cryptol. ePrint Arch. 2023: 1603 (2023) - 2022
- [j8]Keitaro Hashimoto, Shuichi Katsumata, Kris Kwiatkowski, Thomas Prest:
An Efficient and Generic Construction for Signal's Handshake (X3DH): Post-quantum, State Leakage Secure, and Deniable. J. Cryptol. 35(3): 17 (2022) - [j7]Keita Emura, Shuichi Katsumata, Yohei Watanabe:
Identity-based encryption with security against the KGC: A formal model and its instantiations. Theor. Comput. Sci. 900: 97-119 (2022) - [c31]Keitaro Hashimoto, Shuichi Katsumata, Thomas Prest:
How to Hide MetaData in MLS-Like Secure Group Messaging: Simple, Modular, and Post-Quantum. CCS 2022: 1399-1412 - [c30]Rafaël del Pino, Shuichi Katsumata:
A New Framework for More Efficient Round-Optimal Lattice-Based (Partially) Blind Signature via Trapdoor Sampling. CRYPTO (2) 2022: 306-336 - [c29]Ward Beullens, Samuel Dobson, Shuichi Katsumata, Yi-Fu Lai, Federico Pintore:
Group Signatures and More from Isogenies and Lattices: Generic, Simple, and Efficient. EUROCRYPT (2) 2022: 95-126 - [i29]Rafaël del Pino, Shuichi Katsumata:
A New Framework For More Efficient Round-Optimal Lattice-Based (Partially) Blind Signature via Trapdoor Sampling. IACR Cryptol. ePrint Arch. 2022: 834 (2022) - [i28]Keitaro Hashimoto, Shuichi Katsumata, Thomas Prest:
How to Hide MetaData in MLS-Like Secure Group Messaging: Simple, Modular, and Post-Quantum. IACR Cryptol. ePrint Arch. 2022: 1533 (2022) - 2021
- [j6]Shuichi Katsumata, Shota Yamada, Takashi Yamakawa:
Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model. J. Cryptol. 34(1): 5 (2021) - [j5]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Compact Designated Verifier NIZKs from the CDH Assumption Without Pairings. J. Cryptol. 34(4): 42 (2021) - [c28]Keitaro Hashimoto, Shuichi Katsumata, Eamonn W. Postlethwaite, Thomas Prest, Bas Westerbaan:
A Concrete Treatment of Efficient Continuous Group Key Agreement via Multi-Recipient PKEs. CCS 2021: 1441-1462 - [c27]Shuichi Katsumata, Takahiro Matsuda, Wataru Nakamura, Kazuma Ohara, Kenta Takahashi:
Revisiting Fuzzy Signatures: Towards a More Risk-Free Cryptographic Authentication System based on Biometrics. CCS 2021: 2046-2065 - [c26]Shuichi Katsumata:
A New Simple Technique to Bootstrap Various Lattice Zero-Knowledge Proofs to QROM Secure NIZKs. CRYPTO (2) 2021: 580-610 - [c25]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Round-Optimal Blind Signatures in the Plain Model from Classical and Quantum Standard Assumptions. EUROCRYPT (1) 2021: 404-434 - [c24]Keitaro Hashimoto, Shuichi Katsumata, Kris Kwiatkowski, Thomas Prest:
An Efficient and Generic Construction for Signal's Handshake (X3DH): Post-Quantum, State Leakage Secure, and Deniable. Public Key Cryptography (2) 2021: 410-440 - [c23]Geoffroy Couteau, Shuichi Katsumata, Elahe Sadeghi, Bogdan Ursu:
Statistical ZAPs from Group-Based Assumptions. TCC (1) 2021: 466-498 - [i27]Shuichi Katsumata, Takahiro Matsuda, Wataru Nakamura, Kazuma Ohara, Kenta Takahashi:
Revisiting Fuzzy Signatures: Towards a More Risk-Free Cryptographic Authentication System based on Biometrics. CoRR abs/2112.08658 (2021) - [i26]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Round-Optimal Blind Signatures in the Plain Model from Classical and Quantum Standard Assumptions. IACR Cryptol. ePrint Arch. 2021: 306 (2021) - [i25]Keitaro Hashimoto, Shuichi Katsumata, Kris Kwiatkowski, Thomas Prest:
An Efficient and Generic Construction for Signal's Handshake (X3DH): Post-Quantum, State Leakage Secure, and Deniable. IACR Cryptol. ePrint Arch. 2021: 616 (2021) - [i24]Geoffroy Couteau, Shuichi Katsumata, Elahe Sadeghi, Bogdan Ursu:
Statistical ZAPs from Group-Based Assumptions. IACR Cryptol. ePrint Arch. 2021: 688 (2021) - [i23]Shuichi Katsumata:
A New Simple Technique to Bootstrap Various Lattice Zero-Knowledge Proofs to QROM Secure NIZKs. IACR Cryptol. ePrint Arch. 2021: 927 (2021) - [i22]Ward Beullens, Samuel Dobson, Shuichi Katsumata, Yi-Fu Lai, Federico Pintore:
Group Signatures and More from Isogenies and Lattices: Generic, Simple, and Efficient. IACR Cryptol. ePrint Arch. 2021: 1366 (2021) - [i21]Keitaro Hashimoto, Shuichi Katsumata, Eamonn W. Postlethwaite, Thomas Prest, Bas Westerbaan:
A Concrete Treatment of Efficient Continuous Group Key Agreement via Multi-Recipient PKEs. IACR Cryptol. ePrint Arch. 2021: 1407 (2021) - 2020
- [j4]Seira Hidano, Takao Murakami, Shuichi Katsumata, Shinsaku Kiyomoto, Goichiro Hanaoka:
Exposing Private User Behaviors of Collaborative Filtering via Model Inversion Techniques. Proc. Priv. Enhancing Technol. 2020(3): 264-283 (2020) - [j3]Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu:
Lattice-based revocable (hierarchical) IBE with decryption key exposure resistance. Theor. Comput. Sci. 809: 103-136 (2020) - [c22]Shuichi Katsumata, Kris Kwiatkowski, Federico Pintore, Thomas Prest:
Scalable Ciphertext Compression Techniques for Post-quantum KEMs and Their Applications. ASIACRYPT (1) 2020: 289-320 - [c21]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Adaptively Secure Inner Product Encryption from LWE. ASIACRYPT (3) 2020: 375-404 - [c20]Ward Beullens, Shuichi Katsumata, Federico Pintore:
Calamari and Falafl: Logarithmic (Linkable) Ring Signatures from Isogenies and Lattices. ASIACRYPT (2) 2020: 464-492 - [c19]Alex Davidson, Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Adaptively Secure Constrained Pseudorandom Functions in the Standard Model. CRYPTO (1) 2020: 559-589 - [c18]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Compact NIZKs from Standard Assumptions on Bilinear Maps. EUROCRYPT (3) 2020: 379-409 - [c17]Geoffroy Couteau, Shuichi Katsumata, Bogdan Ursu:
Non-interactive Zero-Knowledge in Pairing-Free Groups from Weaker Assumptions. EUROCRYPT (3) 2020: 442-471 - [c16]Ali El Kaafarani, Shuichi Katsumata, Federico Pintore:
Lossy CSI-FiSh: Efficient Signature Scheme with Tight Reduction to Decisional CSIDH-512. Public Key Cryptography (2) 2020: 157-186 - [i20]Alex Davidson, Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Adaptively Secure Constrained Pseudorandom Functions in the Standard Model. IACR Cryptol. ePrint Arch. 2020: 111 (2020) - [i19]Ali El Kaafarani, Shuichi Katsumata, Federico Pintore:
Lossy CSI-FiSh: Efficient Signature Scheme with Tight Reduction to Decisional CSIDH-512. IACR Cryptol. ePrint Arch. 2020: 124 (2020) - [i18]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Compact NIZKs from Standard Assumptions on Bilinear Maps. IACR Cryptol. ePrint Arch. 2020: 223 (2020) - [i17]Geoffroy Couteau, Shuichi Katsumata, Bogdan Ursu:
Non-Interactive Zero-Knowledge in Pairing-Free Groups from Weaker Assumptions. IACR Cryptol. ePrint Arch. 2020: 535 (2020) - [i16]Ward Beullens, Shuichi Katsumata, Federico Pintore:
Calamari and Falafl: Logarithmic (Linkable) Ring Signatures from Isogenies and Lattices. IACR Cryptol. ePrint Arch. 2020: 646 (2020) - [i15]Shuichi Katsumata, Kris Kwiatkowski, Federico Pintore, Thomas Prest:
Scalable Ciphertext Compression Techniques for Post-Quantum KEMs and their Applications. IACR Cryptol. ePrint Arch. 2020: 1107 (2020) - [i14]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Adaptively Secure Inner Product Encryption from LWE. IACR Cryptol. ePrint Arch. 2020: 1135 (2020)
2010 – 2019
- 2019
- [c15]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Exploring Constructions of Compact NIZKs from Various Assumptions. CRYPTO (3) 2019: 639-669 - [c14]Keita Emura, Shuichi Katsumata, Yohei Watanabe:
Identity-Based Encryption with Security Against the KGC: A Formal Model and Its Instantiation from Lattices. ESORICS (2) 2019: 113-133 - [c13]Shuichi Katsumata, Shota Yamada:
Group Signatures Without NIZK: From Lattices in the Standard Model. EUROCRYPT (3) 2019: 312-344 - [c12]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Designated Verifier/Prover and Preprocessing NIZKs from Diffie-Hellman Assumptions. EUROCRYPT (2) 2019: 622-651 - [c11]Shuichi Katsumata, Shota Yamada:
Non-zero Inner Product Encryption Schemes from Various Assumptions: LWE, DDH and DCR. Public Key Cryptography (2) 2019: 158-188 - [c10]Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu:
Lattice-Based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance. Public Key Cryptography (2) 2019: 441-471 - [i13]Shuichi Katsumata, Shota Yamada:
Non-Zero Inner Product Encryption Schemes from Various Assumptions: LWE, DDH and DCR. IACR Cryptol. ePrint Arch. 2019: 36 (2019) - [i12]Shuichi Katsumata, Shota Yamada:
Group Signatures without NIZK: From Lattices in the Standard Model. IACR Cryptol. ePrint Arch. 2019: 221 (2019) - [i11]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Designated Verifier/Prover and Preprocessing NIZKs from Diffie-Hellman Assumptions. IACR Cryptol. ePrint Arch. 2019: 255 (2019) - [i10]Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa:
Exploring Constructions of Compact NIZKs from Various Assumptions. IACR Cryptol. ePrint Arch. 2019: 623 (2019) - [i9]Keita Emura, Shuichi Katsumata, Yohei Watanabe:
Identity-Based Encryption with Security against the KGC: A Formal Model and Its Instantiations. IACR Cryptol. ePrint Arch. 2019: 1384 (2019) - 2018
- [j2]Seira Hidano, Takao Murakami, Shuichi Katsumata, Shinsaku Kiyomoto, Goichiro Hanaoka:
Model Inversion Attacks for Online Prediction Systems: Without Knowledge of Non-Sensitive Attributes. IEICE Trans. Inf. Syst. 101-D(11): 2665-2676 (2018) - [c9]Shuichi Katsumata, Shota Yamada, Takashi Yamakawa:
Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model. ASIACRYPT (2) 2018: 253-282 - [c8]Yusuke Sakai, Shuichi Katsumata, Nuttapong Attrapadung, Goichiro Hanaoka:
Attribute-Based Signatures for Unbounded Languages from Standard Assumptions. ASIACRYPT (2) 2018: 493-522 - [c7]Ali El Kaafarani, Shuichi Katsumata, Ravital Solomon:
Anonymous Reputation Systems Achieving Full Dynamicity from Lattices. Financial Cryptography 2018: 388-406 - [c6]Ali El Kaafarani, Shuichi Katsumata:
Attribute-Based Signatures for Unbounded Circuits in the ROM and Efficient Instantiations from Lattices. Public Key Cryptography (2) 2018: 89-119 - [i8]Ali El Kaafarani, Shuichi Katsumata:
Attribute-based Signatures for Unbounded Circuits in the ROM and Efficient Instantiations from Lattices. IACR Cryptol. ePrint Arch. 2018: 22 (2018) - [i7]Shuichi Katsumata, Takahiro Matsuda, Atsushi Takayasu:
Lattice-based Revocable (Hierarchical) IBE with Decryption Key Exposure Resistance. IACR Cryptol. ePrint Arch. 2018: 420 (2018) - [i6]Shuichi Katsumata, Shota Yamada, Takashi Yamakawa:
Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model. IACR Cryptol. ePrint Arch. 2018: 451 (2018) - [i5]Yusuke Sakai, Shuichi Katsumata, Nuttapong Attrapadung, Goichiro Hanaoka:
Attribute-Based Signatures for Unbounded Languages from Standard Assumptions. IACR Cryptol. ePrint Arch. 2018: 842 (2018) - [i4]Shuichi Katsumata, Shota Yamada:
Note on Constructing Constrained PRFs from OWFs with Constant Collusion Resistance. IACR Cryptol. ePrint Arch. 2018: 914 (2018) - [i3]Alex Davidson, Shuichi Katsumata, Ryo Nishimaki, Shota Yamada:
Constrained PRFs for Bit-fixing from OWFs with Constant Collusion Resistance. IACR Cryptol. ePrint Arch. 2018: 982 (2018) - 2017
- [j1]Shuichi Katsumata, Noboru Kunihiro:
Constructing Subspace Membership Encryption through Inner Product Encryption. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 100-A(9): 1804-1815 (2017) - [c5]Shuichi Katsumata:
On the Untapped Potential of Encoding Predicates by Arithmetic Circuits and Their Applications. ASIACRYPT (3) 2017: 95-125 - [c4]Seira Hidano, Takao Murakami, Shuichi Katsumata, Shinsaku Kiyomoto, Goichiro Hanaoka:
Model Inversion Attacks for Prediction Systems: Without Knowledge of Non-Sensitive Attributes. PST 2017: 115-126 - [i2]Shuichi Katsumata:
On the Untapped Potential of Encoding Predicates by Arithmetic Circuits and Their Applications. IACR Cryptol. ePrint Arch. 2017: 808 (2017) - 2016
- [c3]Shuichi Katsumata, Shota Yamada:
Partitioning via Non-linear Polynomial Functions: More Compact IBEs from Ideal Lattices and Bilinear Maps. ASIACRYPT (2) 2016: 682-712 - [i1]Shuichi Katsumata, Shota Yamada:
Partitioning via Non-Linear Polynomial Functions: More Compact IBEs from Ideal Lattices and Bilinear Maps. IACR Cryptol. ePrint Arch. 2016: 843 (2016) - 2015
- [c2]Shuichi Katsumata, Akiko Takeda:
Robust Cost Sensitive Support Vector Machine. AISTATS 2015 - 2014
- [c1]Shuichi Katsumata, Noboru Kunihiro:
Constructing Subspace Membership Encryption through Inner Product Encryption. ProvSec 2014: 223-242
Coauthor Index
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