Keisuke Tanaka

209 papers A* 4A 5B 11C 12Misc 31Journal 101Unranked 42
YearRankTypeTitle / Venue / Authors
2026 — conf
Effective Analysis of Encrypted Traffic for Mining Detection.
ICISSP (1)
Masahiro Ishii, Satoshi Shibuya, Keisuke Tanaka
2025 J jnl
Adaptively Secure Blockchain-Aided Decentralized Storage Networks: Formalization and Generic Construction.
IACR Cryptol. ePrint Arch.
Xiangyu Su, Yuma Tamagawa, Mario Larangeira, Keisuke Tanaka
2025 — conf
Design and Implementation of a Security Assessment Tool towards Practical Ransomware Countermeasures.
QRS Companion
Keisuke Tanaka, Yu Tsuda, Tetsutaro Uehara
2025 — conf
Double Auction Meets Blockchain: Consensus from Scored Bid-Assignment.
ACNS (1)
Xiangyu Su, Xavier Défago, Mario Larangeira, Kazuyuki Mori, Takuya Oda, Yasumasa Tamura, Keisuke Tanaka
2025 J jnl
Efficient Two-Party Exponentiation from Quotient Transfer.
IEICE Trans. Inf. Syst.
Yi Lu, Keisuke Hara, Kazuma Ohara, Jacob C. N. Schuldt, Keisuke Tanaka
2025 J jnl
Ordered Multi-Signatures with Public-Key Aggregation from SXDH Assumption.
CoRR
Masayuki Tezuka, Keisuke Tanaka
2025 Misc conf
Ordered Multi-signatures with Public-Key Aggregation from SXDH Assumption.
IWSEC
Masayuki Tezuka, Keisuke Tanaka
2025 Misc conf
Public Key Encryption with Equality Test from Tag-Based Encryption.
IWSEC
Masayuki Tezuka, Keisuke Tanaka
2025 J jnl
Public Key Encryption with Equality Test from Tag-Based Encryption.
CoRR
Masayuki Tezuka, Keisuke Tanaka
2025 — conf
Relationships Among FuncCPA and Its Related Notions.
TCC (2)
Takumi Shinozaki, Tatsuaki Okamoto, Keisuke Tanaka, Masayuki Tezuka, Yusuke Yoshida
2025 J jnl
Strong Designated Verifier Signatures with Non-delegatability from CSIDH.
IACR Cryptol. ePrint Arch.
Hiroki Minamide, Keisuke Tanaka, Masayuki Tezuka
2025 J jnl
Universally Composable Relaxed Asymmetric Password-Authenticated Key Exchange.
IACR Cryptol. ePrint Arch.
Shuya Hanai, Keisuke Tanaka, Masayuki Tezuka, Yusuke Yoshida
2024 J jnl
1-out-of-n Oblivious Signatures: Security Revisited and a Generic Construction with an Efficient Communication Cost.
CoRR
Masayuki Tezuka, Keisuke Tanaka
2024 — conf
Auditable Attribute-Based Credentials Scheme and Its Application in Contact Tracing.
ACNS (1)
Pengfei Wang, Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2024 J jnl
On the Relationship between FuncCPA and FuncCPA+.
IACR Cryptol. ePrint Arch.
Takumi Shinozaki, Keisuke Tanaka, Masayuki Tezuka, Yusuke Yoshida
2024 J jnl
Optimizing Liveness for Blockchain-Based Sealed-Bid Auctions in Rational Settings.
IACR Cryptol. ePrint Arch.
Maozhou Huang, Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2024 — conf
Universally Composable Relaxed Asymmetric Password-Authenticated Key Exchange.
SCN (2)
Shuya Hanai, Keisuke Tanaka, Masayuki Tezuka, Yusuke Yoshida
2023 — conf
1-out-of-n Oblivious Signatures: Security Revisited and a Generic Construction with an Efficient Communication Cost.
ICISC (1)
Masayuki Tezuka, Keisuke Tanaka
2023 J jnl
Auditable Attribute-Based Credentials Scheme and Its Applications in Contact Tracing.
IACR Cryptol. ePrint Arch.
Pengfei Wang, Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2023 J jnl
Forward Secure Message Franking with Updatable Reporting Tags.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroki Yamamuro, Keisuke Hara, Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
2023 J jnl
Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature.
CoRR
Masayuki Tezuka, Keisuke Tanaka
2023 B conf
Provably Secure Blockchain Protocols from Distributed Proof-of-Deep-Learning.
NSS
Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2023 J jnl
Provably Secure Blockchain Protocols from Distributed Proof-of-Deep-Learning.
IACR Cryptol. ePrint Arch.
Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2022 J jnl
A t-out-of-n Redactable Signature Scheme.
CoRR
Masayuki Tezuka, Xiangyu Su, Keisuke Tanaka
2022 Misc conf
Analysis of (U, U+V)-code Problem with Gramian over Binary and Ternary Fields.
ICISC
Ichiro Iwata, Yusuke Yoshida, Keisuke Tanaka
2022 J jnl
Bid-Matching Problem and Score-Based Consensus for Peer-to-Peer Energy Trading.
IACR Cryptol. ePrint Arch.
Xiangyu Su, Xavier Défago, Mario Larangeira, Kazuyuki Mori, Takuya Oda, Yuta Okumura, Yasumasa Tamura, Keisuke Tanaka
2022 J jnl
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
J. Cryptol.
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2022 B conf
Efficient Two-Party Exponentiation from Quotient Transfer.
ACNS
Yi Lu, Keisuke Hara, Kazuma Ohara, Jacob C. N. Schuldt, Keisuke Tanaka
2022 J jnl
Environmental Adaptive Privacy Preserving Contact Tracing System: A Construction From Public Key Rerandomizable BLS Signatures.
IEEE Access
Pengfei Wang, Xiangyu Su, Maxim Jourenko, Zixian Jiang, Mario Larangeira, Keisuke Tanaka
2022 J jnl
Generic transformation from broadcast encryption to round-optimal deniable ring authentication.
Des. Codes Cryptogr.
Keisuke Hara, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2022 J jnl
How to Prove Work: With Time or Memory.
IEEE Access
Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2022 J jnl
Improved Security Proof for the Camenisch-Lysyanskaya Signature-Based Synchronized Aggregate Signature Scheme.
CoRR
Masayuki Tezuka, Keisuke Tanaka
2022 — conf
Interhead Hydra: Two Heads are Better than One.
MARBLE
Maxim Jourenko, Mario Larangeira, Keisuke Tanaka
2022 J jnl
Multikey Verifiable Homomorphic Encryption.
IEEE Access
Yi Lu, Keisuke Hara, Keisuke Tanaka
2022 J jnl
Obfustopia Built on Secret-Key Functional Encryption.
J. Cryptol.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2022 Misc conf
Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature.
ICISC
Masayuki Tezuka, Keisuke Tanaka
2022 J jnl
Receiver Selective Opening Chosen Ciphertext Secure Identity-Based Encryption.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keisuke Hara, Takahiro Matsuda, Keisuke Tanaka
2022 J jnl
Redactable Signature with Compactness from Set-Commitment.
CoRR
Masayuki Tezuka, Keisuke Tanaka
2021 — conf
Environmental Adaptive Privacy Preserving Contact Tracing System for Respiratory Infectious Diseases.
CSS
Pengfei Wang, Xiangyu Su, Maxim Jourenko, Zixian Jiang, Mario Larangeira, Keisuke Tanaka
2021 J jnl
Evaluation of handwriting task difficulty based on detrended fluctuation analysis.
Artif. Life Robotics
Keisuke Tanaka, Masafumi Uchida
2021 J jnl
Fine-Grained Cryptography Revisited.
J. Cryptol.
Shohei Egashira, Yuyu Wang, Keisuke Tanaka
2021 Misc conf
Forward Secure Message Franking.
ICISC
Hiroki Yamamuro, Keisuke Hara, Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
2021 J jnl
Fully Anonymous Group Signature with Verifier-Local Revocation.
IACR Cryptol. ePrint Arch.
Ai Kitagawa, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
2021 — conf
How to Prove Work: With Time or Memory.
IEEE ICBC
Xiangyu Su, Mario Larangeira, Keisuke Tanaka
2021 — conf
Impossibility on Tamper-Resilient Cryptography with Uniqueness Properties.
Public Key Cryptography (1)
Yuyu Wang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2021 J jnl
Interhead Hydra Two Heads are Better than One.
IACR Cryptol. ePrint Arch.
Maxim Jourenko, Mario Larangeira, Keisuke Tanaka
2021 J jnl
Obfustopia Built on Secret-Key Functional Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2021 — conf
Payment Trees: Low Collateral Payments for Payment Channel Networks.
Financial Cryptography (2)
Maxim Jourenko, Mario Larangeira, Keisuke Tanaka
2021 J jnl
Receiver Selective Opening CCA Secure Public Key Encryption from Various Assumptions.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yi Lu, Keisuke Hara, Keisuke Tanaka
2021 — conf
Receiver Selective Opening Chosen Ciphertext Secure Identity-Based Encryption.
APKC@AsiaCCS
Keisuke Hara, Takahiro Matsuda, Keisuke Tanaka
2021 J jnl
Redactable Signature with Compactness from Set-Commitment.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Tezuka, Keisuke Tanaka
2021 J jnl
Ring Signature With Unconditional Anonymity in the Plain Model.
IEEE Access
Keisuke Hara, Keisuke Tanaka
2021 J jnl
Simple and Generic Constructions of Succinct Functional Encryption.
J. Cryptol.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2021 J jnl
Tightly secure ring signatures in the standard model.
Theor. Comput. Sci.
Keisuke Hara, Keisuke Tanaka
2021 C conf
Turn-Based Communication Channels.
ProvSec
Carlo Brunetta, Mario Larangeira, Bei Liang, Aikaterini Mitrokotsa, Keisuke Tanaka
2021 J jnl
Turn-Based Communication Channels.
IACR Cryptol. ePrint Arch.
Carlo Brunetta, Mario Larangeira, Bei Liang, Aikaterini Mitrokotsa, Keisuke Tanaka
2021 J jnl
Watermarkable Signature with Computational Function Preserving.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kyohei Sudo, Keisuke Hara, Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
2021 J jnl
Weakened Random Oracle Models with Target Prefix.
CoRR
Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
2020 J jnl
Evaluation of task difficulty based on fluctuation characteristics in writing task.
Artif. Life Robotics
Keisuke Tanaka, Ken Arai, Masafumi Uchida
2020 Misc conf
Improved Security Proof for the Camenisch-Lysyanskaya Signature-Based Synchronized Aggregate Signature Scheme.
ACISP
Masayuki Tezuka, Keisuke Tanaka
2020 B conf
Lightweight Virtual Payment Channels.
CANS
Maxim Jourenko, Mario Larangeira, Keisuke Tanaka
2020 J jnl
Lightweight Virtual Payment Channels.
IACR Cryptol. ePrint Arch.
Maxim Jourenko, Mario Larangeira, Keisuke Tanaka
2020 J jnl
Non-Committing Encryption with Constant Ciphertext Expansion from Standard Assumptions.
IACR Cryptol. ePrint Arch.
Yusuke Yoshida, Fuyuki Kitagawa, Keita Xagawa, Keisuke Tanaka
2020 — conf
Non-committing Encryption with Constant Ciphertext Expansion from Standard Assumptions.
ASIACRYPT (2)
Yusuke Yoshida, Fuyuki Kitagawa, Keita Xagawa, Keisuke Tanaka
2020 J jnl
Payment Trees: Low Collateral Payments for Payment Channel Networks.
IACR Cryptol. ePrint Arch.
Maxim Jourenko, Mario Larangeira, Keisuke Tanaka
2020 C conf
Receiver Selective Opening CCA Secure Public Key Encryption from Various Assumptions.
ProvSec
Yi Lu, Keisuke Hara, Keisuke Tanaka
2020 Misc conf
Secret Sharing with Statistical Privacy and Computational Relaxed Non-malleability.
ICISC
Tasuku Narita, Fuyuki Kitagawa, Yusuke Yoshida, Keisuke Tanaka
2020 Misc conf
Security Definitions on Time-Lock Puzzles.
ICISC
Daiki Hiraga, Keisuke Hara, Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
2020 C conf
Watermarkable Signature with Computational Function Preserving.
ProvSec
Kyohei Sudo, Masayuki Tezuka, Keisuke Hara, Yusuke Yoshida, Keisuke Tanaka
2019 B conf
A t-out-of-n Redactable Signature Scheme.
CANS
Masayuki Tezuka, Xiangyu Su, Keisuke Tanaka
2019 — conf
Adaptively Secure and Succinct Functional Encryption: Improving Security and Efficiency, Simultaneously.
CRYPTO (3)
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka, Takashi Yamakawa
2019 — conf
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
CRYPTO (3)
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 J jnl
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 — conf
Fine-Grained Cryptography Revisited.
ASIACRYPT (3)
Shohei Egashira, Yuyu Wang, Keisuke Tanaka
2019 J jnl
Fine-Grained Cryptography Revisited.
IACR Cryptol. ePrint Arch.
Shohei Egashira, Yuyu Wang, Keisuke Tanaka
2019 — conf
Non-Committing Encryption with Quasi-Optimal Ciphertext-Rate Based on the DDH Problem.
ASIACRYPT (3)
Yusuke Yoshida, Fuyuki Kitagawa, Keisuke Tanaka
2019 J jnl
Non-Committing Encryption with Quasi-Optimal Ciphertext-Rate Based on the DDH Problem.
IACR Cryptol. ePrint Arch.
Yusuke Yoshida, Fuyuki Kitagawa, Keisuke Tanaka
2019 A conf
Proper Usage of the Group Signature Scheme in ISO/IEC 20008-2.
AsiaCCS
Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
2019 J jnl
Proper Usage of the Group Signature Scheme in ISO/IEC 20008-2.
IACR Cryptol. ePrint Arch.
Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
2019 — conf
Simple and Efficient KDM-CCA Secure Public Key Encryption.
ASIACRYPT (3)
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 J jnl
Simple and Efficient KDM-CCA Secure Public Key Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Keisuke Tanaka
2019 J jnl
Simulation-based receiver selective opening CCA secure PKE from standard computational assumptions.
Theor. Comput. Sci.
Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2019 J jnl
SoK: A Taxonomy for Layer-2 Scalability Related Protocols for Cryptocurrencies.
IACR Cryptol. ePrint Arch.
Maxim Jourenko, Kanta Kurazumi, Mario Larangeira, Keisuke Tanaka
2018 — conf
A Framework for Achieving KDM-CCA Secure Public-Key Encryption.
ASIACRYPT (2)
Fuyuki Kitagawa, Keisuke Tanaka
2018 J jnl
A Framework for Achieving KDM-CCA Secure Public-Key Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Keisuke Tanaka
2018 J jnl
Adaptively Secure and Succinct Functional Encryption: Improving Security and Efficiency, Simultaneously.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka, Takashi Yamakawa
2018 Misc conf
Fully Anonymous Group Signature with Verifier-Local Revocation.
SCN
Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
2018 J jnl
Generic Constructions for Fully Secure Revocable Attribute-Based Encryption.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kotoko Yamada, Nuttapong Attrapadung, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
2018 J jnl
Impossibility on Tamper-Resilient Cryptography with Uniqueness Properties.
IACR Cryptol. ePrint Arch.
Yuyu Wang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 — conf
Key Dependent Message Security and Receiver Selective Opening Security for Identity-Based Encryption.
Public Key Cryptography (1)
Fuyuki Kitagawa, Keisuke Tanaka
2018 — conf
Memory Lower Bounds of Reductions Revisited.
EUROCRYPT (1)
Yuyu Wang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 J jnl
Memory Lower Bounds of Reductions Revisited.
IACR Cryptol. ePrint Arch.
Yuyu Wang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 — conf
Obfustopia Built on Secret-Key Functional Encryption.
EUROCRYPT (2)
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2018 J jnl
Performance analysis of robust watermarking using linear and nonlinear feature matching.
Multim. Tools Appl.
Ta Minh Thanh, Keisuke Tanaka, Luu Hong Dung, Nguyen Tuan Tai, Hai Nguyen Nam
2018 — conf
Simple and Generic Constructions of Succinct Functional Encryption.
Public Key Cryptography (2)
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2018 Misc conf
Simulation-Based Receiver Selective Opening CCA Secure PKE from Standard Computational Assumptions.
SCN
Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 J jnl
Simulation-based Receiver Selective Opening CCA Secure PKE from Standard Computational Assumptions.
IACR Cryptol. ePrint Arch.
Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2018 — conf
Weakened Random Oracle Models with Target Prefix.
SecITC
Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka
2017 J jnl
An image zero-watermarking algorithm based on the encryption of visual map feature with watermark information.
Multim. Tools Appl.
Ta Minh Thanh, Keisuke Tanaka
2017 — conf
Anonymous Single-Round Server-Aided Verification.
LATINCRYPT
Elena Pagnin, Aikaterini Mitrokotsa, Keisuke Tanaka
2017 J jnl
Anonymous Single-Round Server-Aided Verification.
IACR Cryptol. ePrint Arch.
Elena Pagnin, Aikaterini Mitrokotsa, Keisuke Tanaka
2017 C conf
CCA2 Key-Privacy for Code-Based Encryption in the Standard Model.
PQCrypto
Yusuke Yoshida, Kirill Morozov, Keisuke Tanaka
2017 — ch.
Constructions for the IND-CCA1 Secure Fully Homomorphic Encryption.
CREST Crypto-Math Project
Satoshi Yasuda, Fuyuki Kitagawa, Keisuke Tanaka
2017 J jnl
From Single-Key to Collusion-Resistant Secret-Key Functional Encryption by Leveraging Succinctness.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2017 J jnl
General Constructions of Rational Secret Sharing with Expected Constant-Round Reconstruction.
Comput. J.
Akinori Kawachi, Yoshio Okamoto, Keisuke Tanaka, Kenji Yasunaga
2017 — conf
Generic Constructions for Fully Secure Revocable Attribute-Based Encryption.
ESORICS (2)
Kotoko Yamada, Nuttapong Attrapadung, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
2017 J jnl
Generic Transformation for Signatures in the Continual Leakage Model.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuyu Wang, Keisuke Tanaka
2017 J jnl
Group Signature with Deniability: How to Disavow a Signature.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka
2017 — ch.
How to Strengthen the Security of Signature Schemes in the Leakage Models: A Survey.
CREST Crypto-Math Project
Yuyu Wang, Keisuke Tanaka
2017 J jnl
Indistinguishability Obfuscation for All Circuits from Secret-Key Functional Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2017 J jnl
Indistinguishability Obfuscation: Simpler Constructions using Secret-Key Functional Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Ryo Nishimaki, Keisuke Tanaka
2017 J jnl
Key Dependent Message Security and Receiver Selective Opening Security for Identity-Based Encryption.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Keisuke Tanaka
2017 — book
Mathematical Modelling for Next-Generation Cryptography: CREST Crypto-Math Project
CREST Crypto-Math Project
Tsuyoshi Takagi, Masato Wakayama, Keisuke Tanaka, Noboru Kunihiro, Kazufumi Kimoto, Dung Hoang Duong
2016 J jnl
Foreword.
IEICE Trans. Inf. Syst.
Keisuke Tanaka
2016 J jnl
Foreword.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keisuke Tanaka
2016 J jnl
Game-Theoretic Security for Two-Party Protocols.
IACR Cryptol. ePrint Arch.
Haruna Higo, Keisuke Tanaka, Akihiro Yamada, Kenji Yasunaga
2016 J jnl
Generic transformations for existentially unforgeable signature schemes in the bounded leakage model.
Secur. Commun. Networks
Yuyu Wang, Keisuke Tanaka
2016 B conf
Group Signature with Deniability: How to Disavow a Signature.
CANS
Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka
2016 — conf
How to Obtain Fully Structure-Preserving (Automorphic) Signatures from Structure-Preserving Ones.
ASIACRYPT (2)
Yuyu Wang, Zongyang Zhang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2016 J jnl
How to Obtain Fully Structure-Preserving (Automorphic) Signatures from Structure-Preserving Ones.
IACR Cryptol. ePrint Arch.
Yuyu Wang, Zongyang Zhang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2016 Misc conf
Lower Bounds for Key Length of k-wise Almost Independent Permutations and Certain Symmetric-Key Encryption Schemes.
IWSEC
Akinori Kawachi, Hirotoshi Takebe, Keisuke Tanaka
2016 — conf
On the Key Dependent Message Security of the Fujisaki-Okamoto Constructions.
Public Key Cryptography (1)
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2016 J jnl
On the Key Dependent Message Security of the Fujisaki-Okamoto Constructions.
IACR Cryptol. ePrint Arch.
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2016 Misc conf
Signatures Resilient to Uninvertible Leakage.
SCN
Yuyu Wang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2016 J jnl
Strongly simulation-extractable leakage-resilient NIZK.
Int. J. Inf. Sec.
Yuyu Wang, Keisuke Tanaka
2016 J jnl
The novel and robust watermarking method based on q-logarithm frequency domain.
Multim. Tools Appl.
Ta Minh Thanh, Keisuke Tanaka
2015 Misc ed.
Advances in Information and Computer Security - 10th International Workshop on Security, IWSEC 2015, Nara, Japan, August 26-28, 2015, Proceedings
IWSEC
Keisuke Tanaka, Yuji Suga
2015 — conf
Blind Watermarking using QIM and the Quantized SVD Domain based on the
VISAPP (3)
Ta Minh Thanh, Keisuke Tanaka
2015 — conf
Comparison of Watermarking Schemes Using Linear and Nonlinear Feature Matching.
KSE
Ta Minh Thanh, Keisuke Tanaka
2015 B conf
Completeness of Single-Bit Projection-KDM Security for Public Key Encryption.
CT-RSA
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2015 J jnl
Disavowable Public Key Encryption with Non-Interactive Opening.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka
2015 A conf
Disavowable Public Key Encryption with Non-interactive Opening.
AsiaCCS
Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka
2015 Misc conf
Generic Transformation to Strongly Existentially Unforgeable Signature Schemes with Continuous Leakage Resiliency.
ACISP
Yuyu Wang, Keisuke Tanaka
2015 J jnl
Group Signature with Deniability: How to Disavow a Signature.
IACR Cryptol. ePrint Arch.
Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka
2015 J jnl
Post-Challenge Leakage Resilient Public-Key Cryptosystem in Split State Model.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Eiichiro Fujisaki, Akinori Kawachi, Ryo Nishimaki, Keisuke Tanaka, Kenji Yasunaga
2014 B conf
A proposal of novel q-DWT for blind and robust image watermarking.
PIMRC
Ta Minh Thanh, Keisuke Tanaka
2014 Misc conf
Efficient Key Dependent Message Security Amplification Against Chosen Ciphertext Attacks.
ICISC
Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
2014 C conf
Generic Transformation to Strongly Existentially Unforgeable Signature Schemes with Leakage Resiliency.
ProvSec
Yuyu Wang, Keisuke Tanaka
2014 J jnl
Randomness Leakage in the KEM/DEM Framework.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hitoshi Namiki, Keisuke Tanaka, Kenji Yasunaga
2014 Misc conf
Strongly Simulation-Extractable Leakage-Resilient NIZK.
ACISP
Yuyu Wang, Keisuke Tanaka
2013 — conf
A 3D vision 2.1Mpixel image sensor for single-lens camera systems.
ISSCC
Shinzo Koyama, Kazutoshi Onozawa, Keisuke Tanaka, Yoshihisa Kato
2013 J jnl
Approximation and parameterized algorithms for common subtrees and edit distance between unordered trees.
Theor. Comput. Sci.
Tatsuya Akutsu, Daiji Fukagawa, Magnús M. Halldórsson, Atsuhiro Takasu, Keisuke Tanaka
2013 Misc conf
Attacks to the Proxy Re-Encryption Schemes from IWSEC2011.
IWSEC
Toshiyuki Isshiki, Manh Ha Nguyen, Keisuke Tanaka
2013 C conf
Factoring-Based Proxy Re-Encryption Schemes.
ProvSec
Toshiyuki Isshiki, Manh Ha Nguyen, Keisuke Tanaka
2013 Misc conf
Game-Theoretic Security for Bit Commitment.
IWSEC
Haruna Higo, Keisuke Tanaka, Kenji Yasunaga
2013 J jnl
General Constructions of Rational Secret Sharing with Expected Constant-Round Reconstruction.
IACR Cryptol. ePrint Arch.
Akinori Kawachi, Yoshio Okamoto, Keisuke Tanaka, Kenji Yasunaga
2013 C conf
Grey-Box Public-Key Steganography.
TAMC
Hirotoshi Takebe, Keisuke Tanaka
2013 J jnl
Leakage-Resilience of Stateless/Stateful Public-Key Encryption from Hash Proofs.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Manh Ha Nguyen, Kenji Yasunaga, Keisuke Tanaka
2013 B conf
Proxy Re-Encryption in a Stronger Security Model Extended from CT-RSA2012.
CT-RSA
Toshiyuki Isshiki, Manh Ha Nguyen, Keisuke Tanaka
2012 Misc conf
A Game-Theoretic Perspective on Oblivious Transfer.
ACISP
Haruna Higo, Keisuke Tanaka, Akihiro Yamada, Kenji Yasunaga
2012 J jnl
A Multi-Trapdoor Commitment Scheme from the RSA Assumption.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ryo Nishimaki, Eiichiro Fujisaki, Keisuke Tanaka
2012 J jnl
An Efficient Non-interactive Universally Composable String-Commitment Scheme.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ryo Nishimaki, Eiichiro Fujisaki, Keisuke Tanaka
2012 Misc conf
Leakage-Resilience of Stateless/Stateful Public-Key Encryption from Hash Proofs.
ACISP
Manh Ha Nguyen, Keisuke Tanaka, Kenji Yasunaga
2012 Misc conf
Reduction-Centric Non-programmable Security Proof for the Full Domain Hash in the Random Oracle Model.
WISA
Mario Larangeira, Keisuke Tanaka
2012 Misc conf
Symmetric-Key Encryption Scheme with Multi-ciphertext Non-malleability.
IWSEC
Akinori Kawachi, Hirotoshi Takebe, Keisuke Tanaka
2011 — conf
Characterization of the Relations between Information-Theoretic Non-malleability, Secrecy, and Authenticity.
ICITS
Akinori Kawachi, Christopher Portmann, Keisuke Tanaka
2011 J jnl
Characterization of the relations between information-theoretic non-malleability, secrecy, and authenticity.
IACR Cryptol. ePrint Arch.
Akinori Kawachi, Christopher Portmann, Keisuke Tanaka
2011 J jnl
Information-Theoretic Secrecy with Access to Decryption Oracles.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Christopher Portmann, Keisuke Tanaka
2011 J jnl
Programmability in the Generic Ring and Group Models.
J. Internet Serv. Inf. Secur.
Mario Larangeira, Keisuke Tanaka
2011 C conf
Randomness Leakage in the KEM/DEM Framework.
ProvSec
Hitoshi Namiki, Keisuke Tanaka, Kenji Yasunaga
2011 C conf
Weak Oblivious Transfer from Strong One-Way Functions.
ProvSec
Keisuke Tanaka, Akihiro Yamada, Kenji Yasunaga
2010 Misc conf
A Multi-trapdoor Commitment Scheme from the RSA Assumption.
ACISP
Ryo Nishimaki, Eiichiro Fujisaki, Keisuke Tanaka
2010 J jnl
A Rational Secret-Sharing Scheme Based on RSA-OAEP.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshiyuki Isshiki, Koichiro Wada, Keisuke Tanaka
2010 — conf
CCA Proxy Re-Encryption without Bilinear Maps in the Standard Model.
Public Key Cryptography
Toshihide Matsuda, Ryo Nishimaki, Keisuke Tanaka
2010 J jnl
Key Generation for Fast Inversion of the Paillier Encryption Function.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takato Hirano, Keisuke Tanaka
2010 — conf
Security of Encryption Schemes in Weakened Random Oracle Models.
Public Key Cryptography
Akinori Kawachi, Akira Numayama, Keisuke Tanaka, Keita Xagawa
2010 J jnl
Security of Encryption Schemes in Weakened Random Oracle Models.
IACR Cryptol. ePrint Arch.
Akinori Kawachi, Akira Numayama, Keisuke Tanaka, Keita Xagawa
2009 C conf
Efficient Non-interactive Universally Composable String-Commitment Schemes.
ProvSec
Ryo Nishimaki, Eiichiro Fujisaki, Keisuke Tanaka
2009 A conf
Efficient Public Key Encryption Based on Ideal Lattices.
ASIACRYPT
Damien Stehlé, Ron Steinfeld, Keisuke Tanaka, Keita Xagawa
2009 J jnl
Efficient Public Key Encryption Based on Ideal Lattices.
IACR Cryptol. ePrint Arch.
Damien Stehlé, Ron Steinfeld, Keisuke Tanaka, Keita Xagawa
2009 Misc conf
Multi-recipient Public-Key Encryption from Simulators in Security Proofs.
ACISP
Harunaga Hiwatari, Keisuke Tanaka, Tomoyuki Asano, Koichi Sakumoto
2009 C conf
On the Insecurity of the Fiat-Shamir Signatures with Iterative Hash Functions.
ProvSec
Eiichiro Fujisaki, Ryo Nishimaki, Keisuke Tanaka
2009 Misc conf
On the Weak Ideal Compression Functions.
ACISP
Akira Numayama, Keisuke Tanaka
2009 J jnl
Primitive Power Roots of Unity and Its Application to Encryption.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takato Hirano, Koichiro Wada, Keisuke Tanaka
2009 Misc conf
Security on Hybrid Encryption with the Tag-KEM/DEM Framework.
ACISP
Toshihide Matsuda, Ryo Nishimaki, Akira Numayama, Keisuke Tanaka
2009 J jnl
Symmetricity of the Protocols Related to Oblivious Transfer.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Daisuke Inoue, Keisuke Tanaka
2009 C conf
Zero-Knowledge Protocols for NTRU: Application to Identification and Proof of Plaintext Knowledge.
ProvSec
Keita Xagawa, Keisuke Tanaka
2008 A conf
Concurrently Secure Identification Schemes Based on the Worst-Case Hardness of Lattice Problems.
ASIACRYPT
Akinori Kawachi, Keisuke Tanaka, Keita Xagawa
2008 J jnl
Conditional Converge Cast.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Daisuke Inoue, Keisuke Tanaka
2008 Misc conf
Public-Key Cryptosystems with Primitive Power Roots of Unity.
ACISP
Takato Hirano, Koichiro Wada, Keisuke Tanaka
2008 — conf
Security of Digital Signature Schemes in Weakened Random Oracle Models.
Public Key Cryptography
Akira Numayama, Toshiyuki Isshiki, Keisuke Tanaka
2007 Misc conf
Anonymity on Paillier's Trap-Door Permutation.
ACISP
Ryotaro Hayashi, Keisuke Tanaka
2007 — conf
Multi-bit Cryptosystems Based on Lattice Problems.
Public Key Cryptography
Akinori Kawachi, Keisuke Tanaka, Keita Xagawa
2007 A* conf
The IllusionHole for Medical Applications.
VR
Yoshifumi Kitamura, Takashi Nakashima, Keisuke Tanaka, Takeshi Johkoh
2006 J jnl
A Cramer-Shoup Variant Related to the Quadratic Residuosity Problem.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Harunaga Hiwatari, Keisuke Tanaka
2006 Misc conf
PA in the Two-Key Setting and a Generic Conversion for Encryption with Anonymity.
ACISP
Ryotaro Hayashi, Keisuke Tanaka
2006 J jnl
Schemes for Encryption with Anonymity and Ring Signature.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ryotaro Hayashi, Keisuke Tanaka
2006 Misc conf
Secret Handshake with Multiple Groups.
WISA
Naoyuki Yamashita, Keisuke Tanaka
2005 Misc conf
An (n-t)-out-of-n Threshold Ring Signature Scheme.
ACISP
Toshiyuki Isshiki, Keisuke Tanaka
2005 — conf
Security for Authenticated Key Exchange Based on Non-Malleability.
ICITA (2)
Hiroki Hada, Keisuke Tanaka
2005 J jnl
Shufle for Paillier's Encryption Scheme.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takao Onodera, Keisuke Tanaka
2005 — conf
The Sampling Twice Technique for the RSA-Based Cryptosystems with Anonymity.
Public Key Cryptography
Ryotaro Hayashi, Keisuke Tanaka
2005 — conf
Universal Designated-Verifier Signature with Aggregation.
ICITA (2)
Akihiro Mihara, Keisuke Tanaka
2005 A conf
Universally Anonymizable Public-Key Encryption.
ASIACRYPT
Ryotaro Hayashi, Keisuke Tanaka
2004 — conf
An RSA Family of Trap-Door Permutations with a Common Domain and Its Applications.
Public Key Cryptography
Ryotaro Hayashi, Tatsuaki Okamoto, Keisuke Tanaka
2004 J jnl
Limiting negations in bounded-depth circuits: An extension of Markov's theorem.
Inf. Process. Lett.
Shao Chin Sung, Keisuke Tanaka
2003 B conf
Extended Hierarchical Task Network Planning for Interactive Comedy.
PRIMA
Ruck Thawonmas, Keisuke Tanaka, Hiroki Hassaku
2003 B conf
Limiting Negations in Bounded-Depth Circuits: An Extension of Markov's Theorem.
ISAAC
Shao Chin Sung, Keisuke Tanaka
2003 — conf
Mimicry: Another Approach for Interactive Comedy.
GAME-ON
Ruck Thawonmas, Hiroki Hassaku, Keisuke Tanaka
2003 J jnl
Quantum Bit-commitment for Small Storage Based on Quantum One-way Permutations.
New Gener. Comput.
Keisuke Tanaka
2002 J jnl
An exponential gap with the removal of one negation gate.
Inf. Process. Lett.
Shao Chin Sung, Keisuke Tanaka
2000 A* conf
Quantum Public-Key Cryptosystems.
CRYPTO
Tatsuaki Okamoto, Keisuke Tanaka, Shigenori Uchiyama
1999 J jnl
Minimizing maximum absolute lateness and range of lateness under generalizeddue dates on a single machine.
Ann. Oper. Res.
Keisuke Tanaka, Milan Vlach
1998 J jnl
On the Complexity of Negation-Limited Boolean Networks.
SIAM J. Comput.
Robert Beals, Tetsuro Nishino, Keisuke Tanaka
1996 B conf
Approximation and Special Cases of Common Subtrees and Editing Distance.
ISAAC
Magnús M. Halldórsson, Keisuke Tanaka
1996 J jnl
Negation-Limited Circuit Complexity of Symmetric Functions.
Inf. Process. Lett.
Keisuke Tanaka, Tetsuro Nishino, Robert Beals
1995 A* conf
More on the complexity of negation-limited circuits.
STOC
Robert Beals, Tetsuro Nishino, Keisuke Tanaka
1995 J jnl
On the Negation-Limited Circuit Complexity of Clique Functions.
IEICE Trans. Inf. Syst.
Tetsuro Nishino, Keisuke Tanaka
1994 A* conf
On the complexity of negation-limited Boolean networks.
STOC
Keisuke Tanaka, Tetsuro Nishino