Koji Chida

Publication Activity (10 Years)

Years Active: 2001-2024
Publications (10 Years): 19

Top Topics

Data Generation

Privacy Preserving

Top Venues

IACR Cryptol. ePrint Arch.

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

Publications

Koji Chida, Susumu Kakuta, Hiroyuki Itakura, Ichiro Ishihara, Kosuke Yoshioka, Hiroshi Takeuchi
Experimental Evaluation for Risk Assessment of Privacy Preserving Synthetic Data. MDAI (2024)
Koji Chida, Koki Hamada, Atsunori Ichikawa, Masanobu Kii, Junichi Tomida
Communication-Efficient Inner Product Private Join and Compute with Cardinality. AsiaCCS (2023)
Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Daniel Genkin, Yehuda Lindell, Ariel Nof
Fast Large-Scale Honest-Majority MPC for Malicious Adversaries. J. Cryptol. 36 (3) (2023)
Takayuki Miura, Toshiki Shibahara, Masanobu Kii, Atsunori Ichikawa, Juko Yamamoto, Koji Chida
On Rényi Differential Privacy in Statistics-based Synthetic Data Generation. J. Inf. Process. 31 (2023)
Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Koji Chida
Efficient decision tree training with new data structure for secure multi-party computation. Proc. Priv. Enhancing Technol. 2023 (1) (2023)
Takayuki Miura, Toshiki Shibahara, Masanobu Kii, Atsunori Ichikawa, Juko Yamamoto, Koji Chida
On Rényi Differential Privacy in Statistics-Based Synthetic Data Generation. CoRR (2023)
Masaya Kobayashi, Atsushi Fujioka, Koji Chida
-Anonymity for Randomization Applied to Binary Data. PST (2023)
Koji Chida, Koki Hamada, Atsunori Ichikawa, Masanobu Kii, Junichi Tomida
Private Intersection-Weighted-Sum. IACR Cryptol. ePrint Arch. 2022 (2022)
Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Koji Chida
Efficient decision tree training with new data structure for secure multi-party computation. CoRR (2021)
Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Naoto Kiribuchi, Benny Pinkas
An Efficient Secure Three-Party Sorting Protocol with an Honest Majority. IACR Cryptol. ePrint Arch. 2019 (2019)
Ryo Kikuchi, Dai Ikarashi, Takahiro Matsuda, Koki Hamada, Koji Chida
Efficient Bit-Decomposition and Modulus-Conversion Protocols with an Honest Majority. IACR Cryptol. ePrint Arch. 2018 (2018)
Koji Chida, Daniel Genkin, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Yehuda Lindell, Ariel Nof
Fast Large-Scale Honest-Majority MPC for Malicious Adversaries. CRYPTO (3) (2018)
Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Benny Pinkas
High-Throughput Secure AES Computation. WAHC@CCS (2018)
Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada
Password-Based Authentication Protocol for Secret-Sharing-Based Multiparty Computation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2018)
Koji Chida, Daniel Genkin, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Yehuda Lindell, Ariel Nof
Fast Large-Scale Honest-Majority MPC for Malicious Adversaries. IACR Cryptol. ePrint Arch. 2018 (2018)
Ryo Kikuchi, Dai Ikarashi, Takahiro Matsuda, Koki Hamada, Koji Chida
Efficient Bit-Decomposition and Modulus-Conversion Protocols with an Honest Majority. ACISP (2018)
Eizen Kimura, Satoshi Hasegawa, Koji Chida, Shoko Gamo, Satoshi Irino, Haku Ishida, Yukio Kurihara
Evaluation of the Anonymity and Utility of De-Identified Clinical Data Based on Japanese Anonymization Criteria. MedInfo (2017)
Ryo Kikuchi, Dai Ikarashi, Koji Chida, Koki Hamada, Wakaha Ogata
Computational SS and conversion protocols in both active and passive settings. IET Inf. Secur. 11 (5) (2017)
Eizen Kimura, Koki Hamada, Ryo Kikuchi, Koji Chida, Kazuya Okamoto, Shirou Manabe, Tomohiro Kuroda, Yasushi Matsumura, Toshihiro Takeda, Naoki Mihara
Evaluation of Secure Computation in a Distributed Healthcare Setting. MIE (2016)
Dai Ikarashi, Ryo Kikuchi, Koji Chida, Katsumi Takahashi
k-Anonymous Microdata Release via Post Randomisation Method. IWSEC (2015)
Ryo Kikuchi, Dai Ikarashi, Koki Hamada, Koji Chida
Adaptively and Unconditionally Secure Conversion Protocols between Ramp and Linear Secret Sharing. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2015)
Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada
Practical Password-Based Authentication Protocol for Secret Sharing Based Multiparty Computation. CANS (2015)
Ryo Kikuchi, Koji Chida, Dai Ikarashi, Wakaha Ogata, Koki Hamada, Katsumi Takahashi
Secret Sharing with Share-Conversion: Achieving Small Share-Size and Extendibility to Multiparty Computation. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2015)
Dai Ikarashi, Ryo Kikuchi, Koji Chida, Katsumi Takahashi
k-anonymous Microdata Release via Post Randomisation Method. CoRR (2015)
Dai Ikarashi, Ryo Kikuchi, Koki Hamada, Koji Chida
Actively Private and Correct MPC Scheme in t<n/2 from Passively Secure Schemes with Small Overhead. IACR Cryptol. ePrint Arch. 2014 (2014)
Koki Hamada, Dai Ikarashi, Koji Chida, Katsumi Takahashi
Oblivious Radix Sort: An Efficient Sorting Algorithm for Practical Secure Multi-party Computation. IACR Cryptol. ePrint Arch. 2014 (2014)
Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada, Katsumi Takahashi
Secret Sharing Schemes with Conversion Protocol to Achieve Short Share-Size and Extendibility to Multiparty Computation. ACISP (2013)
Koki Hamada, Ryo Kikuchi, Dai Ikarashi, Koji Chida, Katsumi Takahashi
Practically Efficient Multi-party Sorting Protocols from Comparison Sort Algorithms. ICISC (2012)
Koji Chida, Dai Ikarashi, Katsumi Takahashi
Tag-Based Secure Set-Intersection Protocol and Its Application to Privacy-Enhancing Biometrics. NBiS (2010)
Koji Chida, Hiroaki Kikuchi, Keiichi Hirota, Gembu Morohashi
Multiparty Computation from El Gamal/Paillier Conversion. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2009)
Gembu Morohashi, Koji Chida, Keiichi Hirota, Hiroaki Kikuchi
Secure Multiparty Computation for Comparator Networks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2008)
Koji Chida, Go Yamamoto
Batch Processing for Proofs of Partial Knowledge and Its Applications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2008)
Koji Chida, Katsumi Takahashi
Privacy Preserving Computations without Public Key Cryptographic Operation. IWSEC (2008)
Koji Chida, Go Yamamoto, Koutarou Suzuki, Shigenori Uchiyama, Noburou Taniguchi, Osamu Shionoiri, Atsushi Kanai
Non-optimistic Secure Circuit Evaluation Based on ElGamal Encryption and Its Applications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2007)
Koji Chida, Go Yamamoto
Batch Processing of Interactive Proofs. CT-RSA (2007)
Koji Chida, Osamu Shionoiri, Atsushi Kanai
Secure Anonymous Communications with Practical Anonymity Revocation Scheme. IWSEC (2007)
Koji Chida, Hiroaki Kikuchi, Gembu Morohashi, Keiichi Hirota
Efficient Multiparty Computation for Comparator Networks. ARES (2007)
Koji Chida
Conversion Schemes for Unlinkable Signatures That Include Revocable Unlinkability. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2006)
Go Yamamoto, Koji Chida, Anderson C. A. Nascimento, Koutarou Suzuki, Shigenori Uchiyama
Efficient, Non-optimistic Secure Circuit Evaluation Based on the ElGamal Encryption. WISA (2005)
Noburou Taniguchi, Koji Chida, Osamu Shionoiri, Atsushi Kanai
DECIDE: a scheme for decentralized identity escrow. Digital Identity Management (2005)
Koji Chida, Masayuki Abe
Flexible-Routing Anonymous Networks Using Optimal Length of Ciphertext. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2005)
Koji Chida, Kunio Kobayashi, Hikaru Morita
An Auction Protocol Preserving Privacy of Losing Bids with a Secure Value Comparison Scheme. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2004)
Koji Chida, Shigenori Uchiyama, Taiichi Saito
. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (5) (2002)
Koji Chida, Kunio Kobayashi, Hikaru Morita
Efficient Sealed-Bid Auctions for Massive Numbers of Bidders with Lump Comparison. ISC (2001)