Yohei Watanabe

Publication Activity (10 Years)

Years Active: 2012-2024
Publications (10 Years): 66

Top Topics

Forward And Backward

Public Key Encryption

Top Venues

IACR Cryptol. ePrint Arch.

IEICE Trans. Fundam. Electron. Commun. Comput. Sci.

Des. Codes Cryptogr.

Publications

Kyosuke Yamashita, Keisuke Hara, Yohei Watanabe, Naoto Yanai, Junji Shikata
Designated Verifier Signature with Claimability. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107 (3) (2024)
Yohei Watanabe, Takenobu Seito, Junji Shikata
Multi-Designated Receiver Authentication Codes: Models and Constructions. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106 (3) (2023)
Tomoki Ono, Kazumasa Shinagawa, Takeshi Nakai, Yohei Watanabe, Mitsugu Iwamoto
Single-Shuffle Card-Based Protocols with Six Cards per Gate. ICISC (2) (2023)
Yexuan Liu, Yohei Watanabe, Junji Shikata
Forward and Backward Private Dynamic Searchable Encryption with Better Space Efficiency. CISS (2023)
Yuiko Matsubara, Daiki Miyahara, Yohei Watanabe, Mitsugu Iwamoto, Kazuo Sakiyama
Abstraction Model of Probing and DFA Attacks on Block Ciphers. IACR Cryptol. ePrint Arch. 2023 (2023)
Kyosuke Yamashita, Keisuke Hara, Yohei Watanabe, Naoto Yanai, Junji Shikata
Designated Verifier Signature with Claimability. APKC@AsiaCCS (2023)
Kyoichi Asano, Yohei Watanabe
Updatable Public Key Encryption with Strong CCA Security: Security Analysis and Efficient Generic Construction. IACR Cryptol. ePrint Arch. 2023 (2023)
Takumi Amada, Mitsugu Iwamoto, Yohei Watanabe
Efficient Result-Hiding Searchable Encryption with Forward and Backward Privacy. ICISC (2) (2023)
Kazuhiko Minematsu, Junji Shikata, Yohei Watanabe, Naoto Yanai
Anonymous Broadcast Authentication With One-to-Many Transmission to Control IoT Devices. IEEE Access 11 (2023)
Yoshiki Abe, Takeshi Nakai, Yohei Watanabe, Mitsugu Iwamoto, Kazuo Ohta
A Computationally Efficient Card-Based Majority Voting Protocol with Fewer Cards in the Private Model. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106 (3) (2023)
Yohei Watanabe, Toi Tomita, Junji Shikata
Lattice-Based Multi-entity Identification Protocols. MobiSec (2023)
Yohei Watanabe, Kento Uchida, Ryoki Hamano, Shota Saito, Masahiro Nomura, Shinichi Shirakawa
(1+1)-CMA-ES with Margin for Discrete and Mixed-Integer Problems. CoRR (2023)
Yohei Watanabe, Naoto Yanai, Junji Shikata
IoT-REX: A Secure Remote-Control System for IoT Devices from Centralized Multi-designated Verifier Signatures. ISPEC (2023)
Yohei Watanabe, Kento Uchida, Ryoki Hamano, Shota Saito, Masahiro Nomura, Shinichi Shirakawa
(1+1)-CMA-ES with Margin for Discrete and Mixed-Integer Problems. GECCO (2023)
Shun Uchizono, Takeshi Nakai, Yohei Watanabe, Mitsugu Iwamoto
Constant-Deposit Multiparty Lotteries on Bitcoin for Arbitrary Number of Players and Winners. ICISC (2) (2023)
Kota Sugimoto, Takeshi Nakai, Yohei Watanabe, Mitsugu Iwamoto
The Two Sheriffs Problem: Cryptographic Formalization and Generalization. COCOA (1) (2023)
Tatsuya Nishiuchi, Shintaro Fujita, Yohei Watanabe, Mitsugu Iwamoto, Kenji Sawada
Packet Analysis and Information Theory on Attack Detection for Modbus TCP. IECON (2023)
Hirokazu Kobayashi, Yohei Watanabe, Kazuhiko Minematsu, Junji Shikata
Tight lower bounds and optimal constructions of anonymous broadcast encryption and authentication. Des. Codes Cryptogr. 91 (7) (2023)
Yohei Watanabe, Takeshi Nakai, Kazuma Ohara, Takuya Nojima, Yexuan Liu, Mitsugu Iwamoto, Kazuo Ohta
How to Make a Secure Index for Searchable Symmetric Encryption, Revisited. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2022)
Yohei Watanabe, Kazuma Ohara, Mitsugu Iwamoto, Kazuo Ohta
Efficient Dynamic Searchable Encryption with Forward Privacy under the Decent Leakage. CODASPY (2022)
Kyoichi Asano, Keita Emura, Atsushi Takayasu, Yohei Watanabe
A Generic Construction of CCA-Secure Attribute-Based Encryption with Equality Test. ProvSec (2022)
Keita Emura, Shuichi Katsumata, Yohei Watanabe
Identity-based encryption with security against the KGC: A formal model and its instantiations. Theor. Comput. Sci. 900 (2022)
Takenobu Seito, Junji Shikata, Yohei Watanabe
Multi-Designated Receiver Authentication-Codes with Information-Theoretic Security. CISS (2022)
Yoshiki Abe, Takeshi Nakai, Yoshihisa Kuroki, Shinnosuke Suzuki, Yuta Koga, Yohei Watanabe, Mitsugu Iwamoto, Kazuo Ohta
Efficient Card-Based Majority Voting Protocols. New Gener. Comput. 40 (1) (2022)
Yohei Watanabe, Naoto Yanai, Junji Shikata
IoT-REX: A Secure Remote-Control System for IoT Devices from Centralized Multi-Designated Verifier Signatures. CoRR (2022)
Keita Emura, Ryoma Ito, Sachiko Kanamori, Ryo Nojima, Yohei Watanabe
State-free End-to-End Encrypted Storage and Chat Systems based on Searchable Encryption. ICEIS (2) (2022)
Yohei Watanabe, Naoto Yanai, Junji Shikata
Anonymous Broadcast Authentication for Securely Remote-Controlling IoT Devices. AINA (2) (2021)
Keita Emura, Atsushi Takayasu, Yohei Watanabe
Generic Constructions of Revocable Hierarchical Identity-based Encryption. IACR Cryptol. ePrint Arch. 2021 (2021)
Masahiro Ebina, Jumpei Mita, Junji Shikata, Yohei Watanabe
Efficient Threshold Public Key Encryption from the Computational Bilinear Diffie-Hellman Assumption. APKC@AsiaCCS (2021)
Keita Emura, Atsushi Takayasu, Yohei Watanabe
Efficient identity-based encryption with Hierarchical key-insulation from HIBE. Des. Codes Cryptogr. 89 (10) (2021)
Kyoichi Asano, Keita Emura, Atsushi Takayasu, Yohei Watanabe
A Generic Construction of CCA-secure Attribute-based Encryption with Equality Test. IACR Cryptol. ePrint Arch. 2021 (2021)
Atsushi Takayasu, Yohei Watanabe
Revocable identity-based encryption with bounded decryption key exposure resistance: Lattice-based construction and more. Theor. Comput. Sci. 849 (2021)
Keita Emura, Ryoma Ito, Sachiko Kanamori, Ryo Nojima, Yohei Watanabe
State-free End-to-End Encrypted Storage and Chat Systems based on Searchable Encryption. IACR Cryptol. ePrint Arch. 2021 (2021)
Yohei Watanabe, Takeshi Nakai, Kazuma Ohara, Takuya Nojima, Yexuan Liu, Mitsugu Iwamoto, Kazuo Ohta
How to Make a Secure Index for Searchable Symmetric Encryption, Revisited. IACR Cryptol. ePrint Arch. 2021 (2021)
Hirokazu Kobayashi, Yohei Watanabe, Junji Shikata
Asymptotically Tight Lower Bounds in Anonymous Broadcast Encryption and Authentication. IMACC (2021)
Keita Emura, Atsushi Takayasu, Yohei Watanabe
Adaptively secure revocable hierarchical IBE from k-linear assumption. Des. Codes Cryptogr. 89 (7) (2021)
Keita Emura, Jae Hong Seo, Yohei Watanabe
Efficient revocable identity-based encryption with short public parameters. Theor. Comput. Sci. 863 (2021)
Tomoki Uemura, Yohei Watanabe, Yang Li, Noriyuki Miura, Mitsugu Iwamoto, Kazuo Sakiyama, Kazuo Ohta
A Key Recovery Algorithm Using Random Key Leakage from AES Key Schedule. ISITA (2020)
Keita Emura, Atsushi Takayasu, Yohei Watanabe
Efficient Identity-Based Encryption with Hierarchical Key-Insulation from HIBE. IACR Cryptol. ePrint Arch. 2020 (2020)
Keita Emura, Atsushi Takayasu, Yohei Watanabe
Adaptively Secure Revocable Hierarchical IBE from k-linear Assumption. IACR Cryptol. ePrint Arch. 2020 (2020)
Hiroaki Anada, Akira Kanaoka, Natsume Matsuzaki, Yohei Watanabe
Key-updatable public-key encryption with keyword search (Or: How to realize PEKS with efficient key updates for IoT environments). Int. J. Inf. Sec. 19 (1) (2020)
Junichi Ida, Junji Shikata, Yohei Watanabe
On the Power of Interaction in Signcryption. ISITA (2020)
Junji Shikata, Yohei Watanabe
Identity-based encryption with hierarchical key-insulation in the standard model. Des. Codes Cryptogr. 87 (5) (2019)
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)
Kazuma Ohara, Yohei Watanabe, Mitsugu Iwamoto, Kazuo Ohta
Multi-Party Computation for Modular Exponentiation Based on Replicated Secret Sharing. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2019)
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 (2019)
Yohei Watanabe, Yoshihisa Kuroki, Shinnosuke Suzuki, Yuta Koga, Mitsugu Iwamoto, Kazuo Ohta
Card-Based Majority Voting Protocols with Three Inputs Using Three Cards. ISITA (2018)
Yohei Watanabe, Junji Shikata
Timed-release computational secret sharing and threshold encryption. Des. Codes Cryptogr. 86 (1) (2018)
Hiroaki Anada, Akira Kanaoka, Natsume Matsuzaki, Yohei Watanabe
Key-Updatable Public-Key Encryption with Keyword Search: Models and Generic Constructions. ACISP (2018)
Atsushi Takayasu, Yohei Watanabe
Lattice-based Revocable Identity-based Encryption with Bounded Decryption Key Exposure Resistance. IACR Cryptol. ePrint Arch. 2017 (2017)
Yohei Watanabe
Broadcast Encryption with Guessing Secrecy. ICITS (2017)
Atsushi Takayasu, Yohei Watanabe
Lattice-Based Revocable Identity-Based Encryption with Bounded Decryption Key Exposure Resistance. ACISP (1) (2017)
Yohei Watanabe, Keita Emura, Jae Hong Seo
New Revocable IBE in Prime-Order Groups: Adaptively Secure, Decryption Key Exposure Resistant, and with Short Public Parameters. CT-RSA (2017)
Yuu Ishida, Junji Shikata, Yohei Watanabe
CCA-secure revocable identity-based encryption schemes with decryption key exposure resistance. Int. J. Appl. Cryptogr. 3 (3) (2017)
Takahiro Yoshizawa, Yohei Watanabe, Junji Shikata
Unconditionally secure searchable encryption. CISS (2017)
Yohei Watanabe, Junji Shikata
Unconditionally Secure Broadcast Encryption Schemes with Trade-Offs between Communication and Storage. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (6) (2016)
Shinichiro Tomita, Yohei Watanabe, Junji Shikata
Sequential aggregate authentication codes with information theoretic security. CISS (2016)
Yohei Watanabe, Goichiro Hanaoka, Junji Shikata
Unconditionally Secure Revocable Storage: Tight Bounds, Optimal Construction, and Robustness. IACR Cryptol. ePrint Arch. 2016 (2016)
Yohei Watanabe, Junji Shikata
Identity-Based Hierarchical Key-Insulated Encryption Without Random Oracles. Public Key Cryptography (1) (2016)
Yohei Watanabe, Goichiro Hanaoka, Junji Shikata
Unconditionally Secure Revocable Storage: Tight Bounds, Optimal Construction, and Robustness. ICITS (2016)
Yohei Watanabe, Junji Shikata
Information-theoretically Secure Timed-release Secret Sharing Schemes. J. Inf. Process. 24 (4) (2016)
Yohei Watanabe, Keita Emura, Jae Hong Seo
New Revocable IBE in Prime-Order Groups: Adaptively Secure, Decryption Key Exposure Resistant, and with Short Public Parameters. IACR Cryptol. ePrint Arch. 2016 (2016)
Keita Emura, Le Trieu Phong, Yohei Watanabe
Keyword Revocable Searchable Encryption with Trapdoor Exposure Resistance and Re-generateability. TrustCom/BigDataSE/ISPA (1) (2015)
Yohei Watanabe, Junji Shikata
Constructions of Unconditionally Secure Broadcast Encryption from Key Predistribution Systems with Trade-Offs Between Communication and Storage. ProvSec (2015)
Yohei Watanabe, Junji Shikata
Identity-based Hierarchical Key-insulated Encryption without Random Oracles. IACR Cryptol. ePrint Arch. 2015 (2015)
Yuu Ishida, Yohei Watanabe, Junji Shikata
Constructions of CCA-Secure Revocable Identity-Based Encryption. ACISP (2015)
Yohei Watanabe, Junji Shikata
Timed-Release Computational Secret Sharing Scheme and Its Applications. ProvSec (2014)
Yohei Watanabe, Junji Shikata
Timed-Release Secret Sharing Scheme with Information Theoretic Security. CoRR (2014)
Yohei Watanabe, Junji Shikata
Timed-Release Secret Sharing Schemes with Information Theoretic Security. BalkanCryptSec (2014)
Shogo Hajime, Yohei Watanabe, Junji Shikata
Information-Theoretically Secure Entity Authentication in the Multi-user Setting. ICISC (2013)
Asato Kubai, Junji Shikata, Yohei Watanabe
Information-Theoretically Secure Aggregate Authentication Code: Model, Bounds, and Constructions. CD-ARES Workshops (2013)
Yohei Watanabe, Takenobu Seito, Junji Shikata
Information-Theoretic Timed-Release Security: Key-Agreement, Encryption, and Authentication Codes. ICITS (2012)
Yohei Watanabe, Takenobu Seito, Junji Shikata
Information-Theoretic Timed-Release Security: Key-Agreement, Encryption, and Authentication Codes. IACR Cryptol. ePrint Arch. 2012 (2012)