Keisuke Tanaka

Google Scholar
79 publications in security and cryptology related venues
Year
Venue
Title
2025
conf/acns
Double Auction Meets Blockchain: Consensus from Scored Bid-Assignment.
Xiangyu Su Xavier Défago Mario Larangeira Kazuyuki Mori Takuya Oda Yasumasa Tamura Keisuke Tanaka
2024
conf/acns
Auditable Attribute-Based Credentials Scheme and Its Application in Contact Tracing.
Pengfei Wang Xiangyu Su Mario Larangeira Keisuke Tanaka
2023
conf/icisc
1-out-of-n Oblivious Signatures: Security Revisited and a Generic Construction with an Efficient Communication Cost.
Masayuki Tezuka Keisuke Tanaka
2022
journals/joc
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
Fuyuki Kitagawa Takahiro Matsuda Keisuke Tanaka
2022
journals/joc
Obfustopia Built on Secret-Key Functional Encryption.
Fuyuki Kitagawa Ryo Nishimaki Keisuke Tanaka
2022
conf/acns
Efficient Two-Party Exponentiation from Quotient Transfer.
Yi Lu Keisuke Hara Kazuma Ohara Jacob C. N. Schuldt Keisuke Tanaka
2022
conf/icisc
Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature.
Masayuki Tezuka Keisuke Tanaka
2022
conf/icisc
Analysis of (U, U+V)-code Problem with Gramian over Binary and Ternary Fields.
Ichiro Iwata Yusuke Yoshida Keisuke Tanaka
2021
journals/joc
Simple and Generic Constructions of Succinct Functional Encryption.
Fuyuki Kitagawa Ryo Nishimaki Keisuke Tanaka
2021
journals/joc
Fine-Grained Cryptography Revisited.
Shohei Egashira Yuyu Wang Keisuke Tanaka
2021
conf/ccs
Receiver Selective Opening Chosen Ciphertext Secure Identity-Based Encryption.
Keisuke Hara Takahiro Matsuda Keisuke Tanaka
2021
conf/fc
Payment Trees: Low Collateral Payments for Payment Channel Networks.
Maxim Jourenko Mario Larangeira Keisuke Tanaka
2021
conf/icisc
Forward Secure Message Franking.
Hiroki Yamamuro Keisuke Hara Masayuki Tezuka Yusuke Yoshida Keisuke Tanaka
2021
conf/provsec
Turn-Based Communication Channels.
Carlo Brunetta Mario Larangeira Bei Liang Aikaterini Mitrokotsa Keisuke Tanaka
2021
conf/pkc
Impossibility on Tamper-Resilient Cryptography with Uniqueness Properties.
Yuyu Wang Takahiro Matsuda Goichiro Hanaoka Keisuke Tanaka
2021
conf/icbc2
How to Prove Work: With Time or Memory.
Xiangyu Su Mario Larangeira Keisuke Tanaka
2020
conf/acisp
Improved Security Proof for the Camenisch-Lysyanskaya Signature-Based Synchronized Aggregate Signature Scheme.
Masayuki Tezuka Keisuke Tanaka
2020
conf/icisc
Secret Sharing with Statistical Privacy and Computational Relaxed Non-malleability.
Tasuku Narita Fuyuki Kitagawa Yusuke Yoshida Keisuke Tanaka
2020
conf/icisc
Security Definitions on Time-Lock Puzzles.
Daiki Hiraga Keisuke Hara Masayuki Tezuka Yusuke Yoshida Keisuke Tanaka
2020
conf/provsec
Watermarkable Signature with Computational Function Preserving.
Kyohei Sudo Masayuki Tezuka Keisuke Hara Yusuke Yoshida Keisuke Tanaka
2020
conf/provsec
Receiver Selective Opening CCA Secure Public Key Encryption from Various Assumptions.
Yi Lu Keisuke Hara Keisuke Tanaka
2020
conf/asiacrypt
Non-committing Encryption with Constant Ciphertext Expansion from Standard Assumptions.
Yusuke Yoshida Fuyuki Kitagawa Keita Xagawa Keisuke Tanaka
2020
conf/cans
Lightweight Virtual Payment Channels.
Maxim Jourenko Mario Larangeira Keisuke Tanaka
2019
conf/ccs
Proper Usage of the Group Signature Scheme in ISO/IEC 20008-2.
Ai Ishida Yusuke Sakai Keita Emura Goichiro Hanaoka Keisuke Tanaka
2019
conf/crypto
CCA Security and Trapdoor Functions via Key-Dependent-Message Security.
Fuyuki Kitagawa Takahiro Matsuda Keisuke Tanaka
2019
conf/crypto
Adaptively Secure and Succinct Functional Encryption: Improving Security and Efficiency, Simultaneously.
Fuyuki Kitagawa Ryo Nishimaki Keisuke Tanaka Takashi Yamakawa
2019
conf/asiacrypt
Non-Committing Encryption with Quasi-Optimal Ciphertext-Rate Based on the DDH Problem.
Yusuke Yoshida Fuyuki Kitagawa Keisuke Tanaka
2019
conf/asiacrypt
Simple and Efficient KDM-CCA Secure Public Key Encryption.
Fuyuki Kitagawa Takahiro Matsuda Keisuke Tanaka
2019
conf/asiacrypt
Fine-Grained Cryptography Revisited.
Shohei Egashira Yuyu Wang Keisuke Tanaka
2019
conf/cans
A t-out-of-n Redactable Signature Scheme.
Masayuki Tezuka Xiangyu Su Keisuke Tanaka
2018
conf/pkc
Simple and Generic Constructions of Succinct Functional Encryption.
Fuyuki Kitagawa Ryo Nishimaki Keisuke Tanaka
2018
conf/pkc
Key Dependent Message Security and Receiver Selective Opening Security for Identity-Based Encryption.
Fuyuki Kitagawa Keisuke Tanaka
2018
conf/eurocrypt
Obfustopia Built on Secret-Key Functional Encryption.
Fuyuki Kitagawa Ryo Nishimaki Keisuke Tanaka
2018
conf/eurocrypt
Memory Lower Bounds of Reductions Revisited.
Yuyu Wang Takahiro Matsuda Goichiro Hanaoka Keisuke Tanaka
2018
conf/asiacrypt
A Framework for Achieving KDM-CCA Secure Public-Key Encryption.
Fuyuki Kitagawa Keisuke Tanaka
2017
conf/latincrypt
Anonymous Single-Round Server-Aided Verification.
Elena Pagnin Aikaterini Mitrokotsa Keisuke Tanaka
2017
conf/esorics
Generic Constructions for Fully Secure Revocable Attribute-Based Encryption.
Kotoko Yamada Nuttapong Attrapadung Keita Emura Goichiro Hanaoka Keisuke Tanaka
2016
conf/pkc
On the Key Dependent Message Security of the Fujisaki-Okamoto Constructions.
Fuyuki Kitagawa Takahiro Matsuda Goichiro Hanaoka Keisuke Tanaka
2016
conf/iwsec
Lower Bounds for Key Length of k-wise Almost Independent Permutations and Certain Symmetric-Key Encryption Schemes.
Akinori Kawachi Hirotoshi Takebe Keisuke Tanaka
2016
conf/asiacrypt
How to Obtain Fully Structure-Preserving (Automorphic) Signatures from Structure-Preserving Ones.
Yuyu Wang Zongyang Zhang Takahiro Matsuda Goichiro Hanaoka Keisuke Tanaka
2016
conf/cans
Group Signature with Deniability: How to Disavow a Signature.
Ai Ishida Keita Emura Goichiro Hanaoka Yusuke Sakai Keisuke Tanaka
2015
conf/ccs
Disavowable Public Key Encryption with Non-interactive Opening.
Ai Ishida Keita Emura Goichiro Hanaoka Yusuke Sakai Keisuke Tanaka
2015
conf/acisp
Generic Transformation to Strongly Existentially Unforgeable Signature Schemes with Continuous Leakage Resiliency.
Yuyu Wang Keisuke Tanaka
2015
conf/ctrsa
Completeness of Single-Bit Projection-KDM Security for Public Key Encryption.
Fuyuki Kitagawa Takahiro Matsuda Goichiro Hanaoka Keisuke Tanaka
2014
conf/acisp
Strongly Simulation-Extractable Leakage-Resilient NIZK.
Yuyu Wang Keisuke Tanaka
2014
conf/icisc
Efficient Key Dependent Message Security Amplification Against Chosen Ciphertext Attacks.
Fuyuki Kitagawa Takahiro Matsuda Goichiro Hanaoka Keisuke Tanaka
2014
conf/provsec
Generic Transformation to Strongly Existentially Unforgeable Signature Schemes with Leakage Resiliency.
Yuyu Wang Keisuke Tanaka
2013
conf/provsec
Factoring-Based Proxy Re-Encryption Schemes.
Toshiyuki Isshiki Manh Ha Nguyen Keisuke Tanaka
2013
conf/ctrsa
Proxy Re-Encryption in a Stronger Security Model Extended from CT-RSA2012.
Toshiyuki Isshiki Manh Ha Nguyen Keisuke Tanaka
2013
conf/iwsec
Attacks to the Proxy Re-Encryption Schemes from IWSEC2011.
Toshiyuki Isshiki Manh Ha Nguyen Keisuke Tanaka
2013
conf/iwsec
Game-Theoretic Security for Bit Commitment.
Haruna Higo Keisuke Tanaka Kenji Yasunaga
2012
conf/acisp
A Game-Theoretic Perspective on Oblivious Transfer.
Haruna Higo Keisuke Tanaka Akihiro Yamada Kenji Yasunaga
2012
conf/acisp
Leakage-Resilience of Stateless/Stateful Public-Key Encryption from Hash Proofs.
Manh Ha Nguyen Keisuke Tanaka Kenji Yasunaga
2012
conf/wisa
Reduction-Centric Non-programmable Security Proof for the Full Domain Hash in the Random Oracle Model.
Mario Larangeira Keisuke Tanaka
2012
conf/iwsec
Symmetric-Key Encryption Scheme with Multi-ciphertext Non-malleability.
Akinori Kawachi Hirotoshi Takebe Keisuke Tanaka
2011
conf/provsec
Randomness Leakage in the KEM/DEM Framework.
Hitoshi Namiki Keisuke Tanaka Kenji Yasunaga
2011
conf/provsec
Weak Oblivious Transfer from Strong One-Way Functions.
Keisuke Tanaka Akihiro Yamada Kenji Yasunaga
2010
conf/acisp
A Multi-trapdoor Commitment Scheme from the RSA Assumption.
Ryo Nishimaki Eiichiro Fujisaki Keisuke Tanaka
2010
conf/pkc
Security of Encryption Schemes in Weakened Random Oracle Models.
Akinori Kawachi Akira Numayama Keisuke Tanaka Keita Xagawa
2010
conf/pkc
CCA Proxy Re-Encryption without Bilinear Maps in the Standard Model.
Toshihide Matsuda Ryo Nishimaki Keisuke Tanaka
2009
conf/acisp
Multi-recipient Public-Key Encryption from Simulators in Security Proofs.
Harunaga Hiwatari Keisuke Tanaka Tomoyuki Asano Koichi Sakumoto
2009
conf/acisp
Security on Hybrid Encryption with the Tag-KEM/DEM Framework.
Toshihide Matsuda Ryo Nishimaki Akira Numayama Keisuke Tanaka
2009
conf/acisp
On the Weak Ideal Compression Functions.
Akira Numayama Keisuke Tanaka
2009
conf/provsec
Efficient Non-interactive Universally Composable String-Commitment Schemes.
Ryo Nishimaki Eiichiro Fujisaki Keisuke Tanaka
2009
conf/provsec
Zero-Knowledge Protocols for NTRU: Application to Identification and Proof of Plaintext Knowledge.
Keita Xagawa Keisuke Tanaka
2009
conf/provsec
On the Insecurity of the Fiat-Shamir Signatures with Iterative Hash Functions.
Eiichiro Fujisaki Ryo Nishimaki Keisuke Tanaka
2009
conf/asiacrypt
Efficient Public Key Encryption Based on Ideal Lattices.
Damien Stehlé Ron Steinfeld Keisuke Tanaka Keita Xagawa
2008
conf/acisp
Public-Key Cryptosystems with Primitive Power Roots of Unity.
Takato Hirano Koichiro Wada Keisuke Tanaka
2008
conf/pkc
Security of Digital Signature Schemes in Weakened Random Oracle Models.
Akira Numayama Toshiyuki Isshiki Keisuke Tanaka
2008
conf/asiacrypt
Concurrently Secure Identification Schemes Based on the Worst-Case Hardness of Lattice Problems.
Akinori Kawachi Keisuke Tanaka Keita Xagawa
2007
conf/acisp
Anonymity on Paillier's Trap-Door Permutation.
Ryotaro Hayashi Keisuke Tanaka
2007
conf/pkc
Multi-bit Cryptosystems Based on Lattice Problems.
Akinori Kawachi Keisuke Tanaka Keita Xagawa
2006
conf/acisp
PA in the Two-Key Setting and a Generic Conversion for Encryption with Anonymity.
Ryotaro Hayashi Keisuke Tanaka
2006
conf/wisa
Secret Handshake with Multiple Groups.
Naoyuki Yamashita Keisuke Tanaka
2005
conf/acisp
An (n-t)-out-of-n Threshold Ring Signature Scheme.
Toshiyuki Isshiki Keisuke Tanaka
2005
conf/pkc
The Sampling Twice Technique for the RSA-Based Cryptosystems with Anonymity.
Ryotaro Hayashi Keisuke Tanaka
2005
conf/asiacrypt
Universally Anonymizable Public-Key Encryption.
Ryotaro Hayashi Keisuke Tanaka
2004
conf/pkc
An RSA Family of Trap-Door Permutations with a Common Domain and Its Applications.
Ryotaro Hayashi Tatsuaki Okamoto Keisuke Tanaka
2000
conf/crypto
Quantum Public-Key Cryptosystems.
Tatsuaki Okamoto Keisuke Tanaka Shigenori Uchiyama

Coauthors

Ai Ishida (3)
Aikaterini Mitrokotsa (2)
Akihiro Yamada (2)
Akinori Kawachi (5)
Akira Numayama (4)
Bei Liang (1)
Carlo Brunetta (1)
Daiki Hiraga (1)
Damien Stehlé (1)
Eiichiro Fujisaki (3)
Elena Pagnin (1)
Fuyuki Kitagawa (16)
Goichiro Hanaoka (10)
Haruna Higo (2)
Harunaga Hiwatari (1)
Hiroki Yamamuro (1)
Hirotoshi Takebe (2)
Hitoshi Namiki (1)
Ichiro Iwata (1)
Jacob C. N. Schuldt (1)
Kazuma Ohara (1)
Kazuyuki Mori (1)
Keisuke Hara (6)
Keisuke Tanaka (79)
Keita Emura (4)
Keita Xagawa (6)
Kenji Yasunaga (5)
Koichi Sakumoto (1)
Koichiro Wada (1)
Kotoko Yamada (1)
Kyohei Sudo (1)
Manh Ha Nguyen (4)
Mario Larangeira (7)
Masayuki Tezuka (7)
Maxim Jourenko (2)
Naoyuki Yamashita (1)
Nuttapong Attrapadung (1)
Pengfei Wang (1)
Ron Steinfeld (1)
Ryo Nishimaki (10)
Ryotaro Hayashi (5)
Shigenori Uchiyama (1)
Shohei Egashira (2)
Takahiro Matsuda (10)
Takashi Yamakawa (1)
Takato Hirano (1)
Takuya Oda (1)
Tasuku Narita (1)
Tatsuaki Okamoto (2)
Tomoyuki Asano (1)
Toshihide Matsuda (2)
Toshiyuki Isshiki (5)
Xavier Défago (1)
Xiangyu Su (4)
Yasumasa Tamura (1)
Yi Lu (2)
Yusuke Sakai (3)
Yusuke Yoshida (7)
Yuyu Wang (8)
Zongyang Zhang (1)
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