Shota Yamada

121 papers A* 1B 3C 8Misc 3Journal 62Unranked 43
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Note on Obfuscation-Based Attacks on Private-Coin Evasive LWE.
IACR Commun. Cryptol.
Tzu-Hsiang Huang, Wei-Hsiang Hung, Shota Yamada
2025 J jnl
A Unified Approach to Quantum Key Leasing with a Classical Lessor.
CoRR
Fuyuki Kitagawa, Jiahui Liu, Shota Yamada, Takashi Yamakawa
2025 J jnl
A Unified Approach to Quantum Key Leasing with a Classical Lessor.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Jiahui Liu, Shota Yamada, Takashi Yamakawa
2025 J jnl
Attribute Based Encryption for Turing Machines from Lattices.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Simran Kumari, Shota Yamada
2025 J jnl
Evasive LWE: Attacks, Variants & Obfustopia.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Anuja Modi, Anshu Yadav, Shota Yamada
2025 — conf
Pseudorandom FE, iO and Applications.
TCC (2)
Shweta Agrawal, Simran Kumari, Shota Yamada
2025 — conf
Zeroizing Attacks Against Evasive and Circular Evasive LWE.
TCC (2)
Shweta Agrawal, Anuja Modi, Anshu Yadav, Shota Yamada
2024 — conf
Attribute Based Encryption for Turing Machines from Lattices.
CRYPTO (3)
Shweta Agrawal, Simran Kumari, Shota Yamada
2024 J jnl
Attribute-Based Signatures for Circuits with Optimal Parameter Size from Standard Assumptions.
IACR Cryptol. ePrint Arch.
Ryuya Hayashi, Yusuke Sakai, Shota Yamada
2024 J jnl
Characterizing the integer points in 2-decomposable polyhedra by closedness under operations.
CoRR
Kei Kimura, Kazuhisa Makino, Shota Yamada, Ryo Yoshizumi
2024 J jnl
Compact NIZKs from Standard Assumptions on Bilinear Maps.
J. Cryptol.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2024 J jnl
Compact Pseudorandom Functional Encryption from Evasive LWE.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Simran Kumari, Shota Yamada
2024 J jnl
Pseudorandom Multi-Input Functional Encryption and Applications.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Simran Kumari, Shota Yamada
2024 — conf
Registered FE Beyond Predicates: (Attribute-Based) Linear Functions and More.
ASIACRYPT (1)
Pratish Datta, Tapas Pal, Shota Yamada
2024 — conf
Tighter Adaptive IBEs and VRFs: Revisiting Waters' Artificial Abort.
TCC (3)
Goichiro Hanaoka, Shuichi Katsumata, Kei Kimura, Kaoru Takemure, Shota Yamada
2024 J jnl
Tighter Adaptive IBEs and VRFs: Revisiting Waters' Artificial Abort.
IACR Cryptol. ePrint Arch.
Goichiro Hanaoka, Shuichi Katsumata, Kei Kimura, Kaoru Takemure, Shota Yamada
2023 — conf
Broadcast, Trace and Revoke with Optimal Parameters from Polynomial Hardness.
EUROCRYPT (3)
Shweta Agrawal, Simran Kumari, Anshu Yadav, Shota Yamada
2023 — conf
Constant Input Attribute Based (and Predicate) Encryption from Evasive and Tensor LWE.
CRYPTO (4)
Shweta Agrawal, Mélissa Rossi, Anshu Yadav, Shota Yamada
2023 J jnl
Constant Input Attribute Based (and Predicate) Encryption from Evasive and Tensor LWE.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Melissa Rossi, Anshu Yadav, Shota Yamada
2023 J jnl
Direct computation of branching programs and its applications to more efficient lattice-based cryptography.
Des. Codes Cryptogr.
Shuichi Katsumata, Toi Tomita, Shota Yamada
2023 — conf
Public Key Encryption with Secure Key Leasing.
EUROCRYPT (1)
Shweta Agrawal, Fuyuki Kitagawa, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2023 J jnl
Public Key Encryption with Secure Key Leasing.
CoRR
Shweta Agrawal, Fuyuki Kitagawa, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2023 J jnl
Public Key Encryption with Secure Key Leasing.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Fuyuki Kitagawa, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2023 — conf
Signature for Objects: Formalizing How to Authenticate Physical Data and More.
FC (1)
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
2022 — conf
Bounded Functional Encryption for Turing Machines: Adaptive Security from General Assumptions.
TCC (1)
Shweta Agrawal, Fuyuki Kitagawa, Anuja Modi, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2022 J jnl
Bounded Functional Encryption for Turing Machines: Adaptive Security from General Assumptions.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Fuyuki Kitagawa, Anuja Modi, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2022 J jnl
Cryptanalysis of Boyen's attribute-based encryption scheme in TCC 2013.
Des. Codes Cryptogr.
Shweta Agrawal, Rajarshi Biswas, Ryo Nishimaki, Keita Xagawa, Xiang Xie, Shota Yamada
2022 J jnl
How to Extend CTRT for AES-256 and AES-192.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
SeongHan Shin, Shota Yamada, Goichiro Hanaoka, Yusuke Ishida, Atsushi Kunii, Junichi Oketani, Shimpei Kunii, Kiyoshi Tomomura
2022 J jnl
Multi-Input Attribute Based Encryption and Predicate Encryption.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Anshu Yadav, Shota Yamada
2022 — conf
Multi-input Attribute Based Encryption and Predicate Encryption.
CRYPTO (1)
Shweta Agrawal, Anshu Yadav, Shota Yamada
2022 J jnl
Trace and Revoke with Optimal Parameters from Polynomial Hardness.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Simran Kumari, Anshu Yadav, Shota Yamada
2021 J jnl
Compact Designated Verifier NIZKs from the CDH Assumption Without Pairings.
J. Cryptol.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2021 J jnl
Cryptanalysis of Boyen's Attribute-Based Encryption Scheme in TCC 2013.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Rajarshi Biswas, Ryo Nishimaki, Keita Xagawa, Xiang Xie, Shota Yamada
2021 — conf
Functional Encryption for Turing Machines with Dynamic Bounded Collusion from LWE.
CRYPTO (4)
Shweta Agrawal, Monosij Maitra, Narasimha Sai Vempati, Shota Yamada
2021 J jnl
Functional Encryption for Turing Machines with Dynamic Bounded Collusion from LWE.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Monosij Maitra, Narasimha Sai Vempati, Shota Yamada
2021 — conf
Non-interactive Secure Multiparty Computation for Symmetric Functions, Revisited: More Efficient Constructions and Extensions.
CRYPTO (2)
Reo Eriguchi, Kazuma Ohara, Shota Yamada, Koji Nuida
2021 — conf
Round-Optimal Blind Signatures in the Plain Model from Classical and Quantum Standard Assumptions.
EUROCRYPT (1)
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2021 J jnl
Round-Optimal Blind Signatures in the Plain Model from Classical and Quantum Standard Assumptions.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2021 J jnl
Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model.
J. Cryptol.
Shuichi Katsumata, Shota Yamada, Takashi Yamakawa
2020 — conf
Adaptively Secure Constrained Pseudorandom Functions in the Standard Model.
CRYPTO (1)
Alex Davidson, Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2020 J jnl
Adaptively Secure Constrained Pseudorandom Functions in the Standard Model.
IACR Cryptol. ePrint Arch.
Alex Davidson, Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2020 — conf
Adaptively Secure Inner Product Encryption from LWE.
ASIACRYPT (3)
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2020 J jnl
Adaptively Secure Inner Product Encryption from LWE.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2020 — conf
CP-ABE for Circuits (and More) in the Symmetric Key Setting.
TCC (1)
Shweta Agrawal, Shota Yamada
2020 J jnl
CP-ABE for Circuits (and more) in the Symmetric Key Setting.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Shota Yamada
2020 — conf
Compact NIZKs from Standard Assumptions on Bilinear Maps.
EUROCRYPT (3)
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2020 J jnl
Compact NIZKs from Standard Assumptions on Bilinear Maps.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2020 J jnl
Generic hardness of inversion on ring and its relation to self-bilinear map.
Theor. Comput. Sci.
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2020 — conf
Optimal Broadcast Encryption from LWE and Pairings in the Standard Model.
TCC (1)
Shweta Agrawal, Daniel Wichs, Shota Yamada
2020 J jnl
Optimal Broadcast Encryption from LWE and Pairings in the Standard Model.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Daniel Wichs, Shota Yamada
2020 — conf
Optimal Broadcast Encryption from Pairings and LWE.
EUROCRYPT (1)
Shweta Agrawal, Shota Yamada
2020 J jnl
Optimal Broadcast Encryption from Pairings and LWE.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Shota Yamada
2020 — conf
Semantic Definition of Anonymity in Identity-Based Encryption and Its Relation to Indistinguishability-Based Definition.
ESORICS (2)
Goichiro Hanaoka, Misaki Komatsu, Kazuma Ohara, Yusuke Sakai, Shota Yamada
2019 — conf
Adaptively Single-Key Secure Constrained PRFs for \mathrm NC^1.
Public Key Cryptography (2)
Nuttapong Attrapadung, Takahiro Matsuda, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2019 Misc conf
An Extended CTRT for AES-256.
WISA
SeongHan Shin, Shota Yamada, Goichiro Hanaoka, Yusuke Ishida, Atsushi Kunii, Junichi Oketani, Shimpei Kunii, Kiyoshi Tomomura
2019 — conf
Attribute Based Encryption (and more) for Nondeterministic Finite Automata from LWE.
CRYPTO (2)
Shweta Agrawal, Monosij Maitra, Shota Yamada
2019 J jnl
Attribute Based Encryption (and more) for Nondeterministic Finite Automata from LWE.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Monosij Maitra, Shota Yamada
2019 J jnl
Attribute Based Encryption for Deterministic Finite Automata from DLIN.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Monosij Maitra, Shota Yamada
2019 — conf
Attribute Based Encryption for Deterministic Finite Automata from \mathsfDLIN.
TCC (2)
Shweta Agrawal, Monosij Maitra, Shota Yamada
2019 — conf
Designated Verifier/Prover and Preprocessing NIZKs from Diffie-Hellman Assumptions.
EUROCRYPT (2)
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2019 J jnl
Designated Verifier/Prover and Preprocessing NIZKs from Diffie-Hellman Assumptions.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2019 — conf
Exploring Constructions of Compact NIZKs from Various Assumptions.
CRYPTO (3)
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2019 J jnl
Exploring Constructions of Compact NIZKs from Various Assumptions.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2019 — conf
Group Signatures Without NIZK: From Lattices in the Standard Model.
EUROCRYPT (3)
Shuichi Katsumata, Shota Yamada
2019 J jnl
Group Signatures without NIZK: From Lattices in the Standard Model.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Shota Yamada
2019 J jnl
Non-Zero Inner Product Encryption Schemes from Various Assumptions: LWE, DDH and DCR.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Shota Yamada
2019 — conf
Non-zero Inner Product Encryption Schemes from Various Assumptions: LWE, DDH and DCR.
Public Key Cryptography (2)
Shuichi Katsumata, Shota Yamada
2018 J jnl
Adaptively Single-Key Secure Constrained PRFs for NC1.
IACR Cryptol. ePrint Arch.
Nuttapong Attrapadung, Takahiro Matsuda, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2018 J jnl
Attribute-Based Encryption for Range Attributes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Nuttapong Attrapadung, Goichiro Hanaoka, Kazuto Ogawa, Go Ohtake, Hajime Watanabe, Shota Yamada
2018 J jnl
Chosen ciphertext secure keyed-homomorphic public-key cryptosystems.
Des. Codes Cryptogr.
Keita Emura, Goichiro Hanaoka, Koji Nuida, Go Ohtake, Takahiro Matsuda, Shota Yamada
2018 J jnl
Constrained PRFs for Bit-fixing from OWFs with Constant Collusion Resistance.
IACR Cryptol. ePrint Arch.
Alex Davidson, Shuichi Katsumata, Ryo Nishimaki, Shota Yamada
2018 J jnl
Constrained PRFs for NC1 in Traditional Groups.
IACR Cryptol. ePrint Arch.
Nuttapong Attrapadung, Takahiro Matsuda, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2018 — conf
Constrained PRFs for \mathrmNC^1 in Traditional Groups.
CRYPTO (2)
Nuttapong Attrapadung, Takahiro Matsuda, Ryo Nishimaki, Shota Yamada, Takashi Yamakawa
2018 C conf
Embedding Lemmas for Functional Encryption.
ISITA
Ryo Kato, Naohisa Nishida, Ryo Hirano, Tatsumi Oba, Yuji Unagami, Shota Yamada, Tadanori Teruya, Nuttapong Attrapadung, Takahiro Matsuda, Goichiro Hanaoka
2018 J jnl
Generic Hardness of Inversion on Ring and Its Relation to Self-Bilinear Map.
IACR Cryptol. ePrint Arch.
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2018 J jnl
Note on Constructing Constrained PRFs from OWFs with Constant Collusion Resistance.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Shota Yamada
2018 C conf
Secure Division Protocol and Applications to Privacy-preserving Chi-squared Tests.
ISITA
Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Koji Nuida, Shota Yamada, Kana Shimizu, Goichiro Hanaoka, Kiyoshi Asai
2018 — conf
Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model.
ASIACRYPT (2)
Shuichi Katsumata, Shota Yamada, Takashi Yamakawa
2018 J jnl
Tighter Security Proofs for GPV-IBE in the Quantum Random Oracle Model.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Shota Yamada, Takashi Yamakawa
2018 C conf
Tree-based Secure Comparison of Secret Shared Data.
ISITA
Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Shota Yamada, Koji Nuida, Goichiro Hanaoka
2017 — ch.
A Survey on Identity-Based Encryption from Lattices.
CREST Crypto-Math Project
Goichiro Hanaoka, Shota Yamada
2017 — conf
Asymptotically Compact Adaptively Secure Lattice IBEs and Verifiable Random Functions via Generalized Partitioning Techniques.
CRYPTO (3)
Shota Yamada
2017 J jnl
Asymptotically Compact Adaptively Secure Lattice IBEs and Verifiable Random Functions via Generalized Partitioning Techniques.
IACR Cryptol. ePrint Arch.
Shota Yamada
2017 J jnl
Efficient Public Trace and Revoke from Standard Assumptions.
IACR Cryptol. ePrint Arch.
Shweta Agrawal, Sanjay Bhattacherjee, Duong Hieu Phan, Damien Stehlé, Shota Yamada
2017 A* conf
Efficient Public Trace and Revoke from Standard Assumptions: Extended Abstract.
CCS
Shweta Agrawal, Sanjay Bhattacherjee, Duong Hieu Phan, Damien Stehlé, Shota Yamada
2017 J jnl
New Security Proof for the Boneh-Boyen IBE: Tight Reduction in Unbounded Multi-Challenge Security.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada
2017 J jnl
Partially Wildcarded Ciphertext-Policy Attribute-Based Encryption and Its Performance Evaluation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Go Ohtake, Kazuto Ogawa, Goichiro Hanaoka, Shota Yamada, Kohei Kasamatsu, Takashi Yamakawa, Hideki Imai
2017 J jnl
Private Similarity Searchable Encryption for Euclidean Distance.
IEICE Trans. Inf. Syst.
Yuji Unagami, Natsume Matsuzaki, Shota Yamada, Nuttapong Attrapadung, Takahiro Matsuda, Goichiro Hanaoka
2017 J jnl
Self-Bilinear Map on Unknown Order Groups from Indistinguishability Obfuscation and Its Applications.
Algorithmica
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2016 — conf
Adaptively Secure Identity-Based Encryption from Lattices with Asymptotically Shorter Public Parameters.
EUROCRYPT (2)
Shota Yamada
2016 J jnl
Adaptively Secure Identity-Based Encryption from Lattices with Asymptotically Shorter Public Parameters.
IACR Cryptol. ePrint Arch.
Shota Yamada
2016 — conf
Adversary-Dependent Lossy Trapdoor Function from Hardness of Factoring Semi-smooth RSA Subgroup Moduli.
CRYPTO (2)
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2016 J jnl
Adversary-dependent Lossy Trapdoor Function from Hardness of Factoring Semi-smooth RSA Subgroup Moduli.
IACR Cryptol. ePrint Arch.
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2016 B conf
Attribute Based Encryption with Direct Efficiency Tradeoff.
ACNS
Nuttapong Attrapadung, Goichiro Hanaoka, Tsutomu Matsumoto, Tadanori Teruya, Shota Yamada
2016 Misc conf
Attribute-Based Encryption for Range Attributes.
SCN
Nuttapong Attrapadung, Goichiro Hanaoka, Kazuto Ogawa, Go Ohtake, Hajime Watanabe, Shota Yamada
2016 J jnl
Partitioning via Non-Linear Polynomial Functions: More Compact IBEs from Ideal Lattices and Bilinear Maps.
IACR Cryptol. ePrint Arch.
Shuichi Katsumata, Shota Yamada
2016 — conf
Partitioning via Non-linear Polynomial Functions: More Compact IBEs from Ideal Lattices and Bilinear Maps.
ASIACRYPT (2)
Shuichi Katsumata, Shota Yamada
2016 C conf
Private similarity searchable encryption for Euclidean distance.
ISITA
Yuji Unagami, Natsume Matsuzaki, Shota Yamada, Nuttapong Attrapadung, Takahiro Matsuda, Goichiro Hanaoka
2015 — conf
A Framework for Identity-Based Encryption with Almost Tight Security.
ASIACRYPT (1)
Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada
2015 J jnl
A Framework for Identity-Based Encryption with Almost Tight Security.
IACR Cryptol. ePrint Arch.
Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada
2015 — conf
Conversions Among Several Classes of Predicate Encryption and Applications to ABE with Various Compactness Tradeoffs.
ASIACRYPT (1)
Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada
2015 J jnl
Conversions among Several Classes of Predicate Encryption and Their Applications.
IACR Cryptol. ePrint Arch.
Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka
2015 B conf
Duality in ABE: Converting Attribute Based Encryption for Dual Predicate and Dual Policy via Computational Encodings.
CT-RSA
Nuttapong Attrapadung, Shota Yamada
2015 J jnl
Duality in ABE: Converting Attribute Based Encryption for Dual Predicate and Dual Policy via Computational Encodings.
IACR Cryptol. ePrint Arch.
Nuttapong Attrapadung, Shota Yamada
2015 J jnl
Self-bilinear Map on Unknown Order Groups from Indistinguishability Obfuscation and Its Applications.
IACR Cryptol. ePrint Arch.
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2014 — conf
A Framework and Compact Constructions for Non-monotonic Attribute-Based Encryption.
Public Key Cryptography
Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, Noboru Kunihiro
2014 J jnl
A Framework and Compact Constructions for Non-monotonic Attribute-Based Encryption.
IACR Cryptol. ePrint Arch.
Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, Noboru Kunihiro
2014 Misc conf
Chosen Ciphertext Security on Hard Membership Decision Groups: The Case of Semi-smooth Subgroups of Quadratic Residues.
SCN
Takashi Yamakawa, Shota Yamada, Koji Nuida, Goichiro Hanaoka, Noboru Kunihiro
2014 C conf
New Security Proof for the Boneh-Boyen IBE: Tight Reduction in Unbounded Multi-challenge Security.
ICICS
Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada
2014 — conf
Self-bilinear Map on Unknown Order Groups from Indistinguishability Obfuscation and Its Applications.
CRYPTO (2)
Takashi Yamakawa, Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2013 — conf
Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption.
Public Key Cryptography
Keita Emura, Goichiro Hanaoka, Go Ohtake, Takahiro Matsuda, Shota Yamada
2013 J jnl
Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption.
IACR Cryptol. ePrint Arch.
Keita Emura, Goichiro Hanaoka, Koji Nuida, Go Ohtake, Takahiro Matsuda, Shota Yamada
2013 — conf
Efficient variants of the Naor-Yung and Dolev-Dwork-Naor transforms for CCA secure key encapsulation mechanism.
AsiaPKC@AsiaCCS
Takashi Yamakawa, Shota Yamada, Takahiro Matsuda, Goichiro Hanaoka, Noboru Kunihiro
2013 C conf
Partially Wildcarded Attribute-based Encryption and Its Efficient Construction.
SECRYPT
Go Ohtake, Yuki Hironaka, Kenjiro Kai, Yosuke Endo, Goichiro Hanaoka, Hajime Watanabe, Shota Yamada, Kohei Kasamatsu, Takashi Yamakawa, Hideki Imai
2013 C conf
Reducing Public Key Sizes in Bounded CCA-Secure KEMs with Optimal Ciphertext Length.
ISC
Takashi Yamakawa, Shota Yamada, Takahiro Matsuda, Goichiro Hanaoka, Noboru Kunihiro
2012 — conf
Space Efficient Signature Schemes from the RSA Assumption.
Public Key Cryptography
Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2012 B conf
Two-Dimensional Representation of Cover Free Families and Its Applications: Short Signatures and More.
CT-RSA
Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
2012 — conf
Verifiable Predicate Encryption and Applications to CCA Security and Anonymous Predicate Authentication.
Public Key Cryptography
Shota Yamada, Nuttapong Attrapadung, Bagus Santoso, Jacob C. N. Schuldt, Goichiro Hanaoka, Noboru Kunihiro
2011 — conf
Generic Constructions for Chosen-Ciphertext Secure Attribute Based Encryption.
Public Key Cryptography
Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, Noboru Kunihiro
2010 J jnl
Public Key Encryption Schemes from the (B)CDH Assumption with Better Efficiency.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shota Yamada, Yutaka Kawai, Goichiro Hanaoka, Noboru Kunihiro
2010 C conf
Toward an Easy-to-Understand Structure for Achieving Chosen Ciphertext Security from the Decisional Diffie-Hellman Assumption.
ProvSec
Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro