Ryo Kikuchi

According to our database, Ryo Kikuchi authored at least 31 papers between 2010 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Secure Statistical Analysis on Multiple Datasets: Join and Group-By.

Gilad Asharov, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Ariel Nof, Benny Pinkas, Junichi Tomida

IACR Cryptol. ePrint Arch., 2024

2023

Fast Large-Scale Honest-Majority MPC for Malicious Adversaries.

Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Daniel Genkin, Yehuda Lindell, Ariel Nof

J. Cryptol., July, 2023

Efficient decision tree training with new data structure for secure multi-party computation.

Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Koji Chida

Proc. Priv. Enhancing Technol., January, 2023

3-Party Secure Computation for RAMs: Optimal and Concretely Efficient.

Atsunori Ichikawa, Ilan Komargodski, Koki Hamada, Ryo Kikuchi, Dai Ikarashi

IACR Cryptol. ePrint Arch., 2023

Polyp Size and Shape Estimation by Using an Endoscopic Hood Information.

Ryo Kikuchi, Yuji Iwahori, Kenji Funahashi, Manas Kamal Bhuyan, Aili Wang, Naotaka Ogasawara, Kunio Kasugai

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 27th International Conference KES-2023, 2023

Secure Statistical Analysis on Multiple Datasets: Join and Group-By.

Gilad Asharov, Koki Hamada, Ryo Kikuchi, Ariel Nof, Benny Pinkas, Junichi Tomida

Proceedings of the 2023 ACM SIGSAC Conference on Computer and Communications Security, 2023

2022

Adam in Private: Secure and Fast Training of Deep Neural Networks with Adaptive Moment Estimation.

Nuttapong Attrapadung, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Takahiro Matsuda, Ibuki Mishina, Hiraku Morita, Jacob C. N. Schuldt

Proc. Priv. Enhancing Technol., 2022

Efficient Secure Three-Party Sorting with Applications to Data Analysis and Heavy Hitters.

Gilad Asharov, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Ariel Nof, Benny Pinkas, Katsumi Takahashi, Junichi Tomida

IACR Cryptol. ePrint Arch., 2022

2019

Field Extension in Secret-Shared Form and Its Applications to Efficient Secure Computation.

Ryo Kikuchi, Nuttapong Attrapadung, Koki Hamada, Dai Ikarashi, Ai Ishida, Takahiro Matsuda, Yusuke Sakai, Jacob C. N. Schuldt

IACR Cryptol. ePrint Arch., 2019

An Efficient Secure Three-Party Sorting Protocol with an Honest Majority.

Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Naoto Kiribuchi, Benny Pinkas

IACR Cryptol. ePrint Arch., 2019

Optimization Method for Controller Parameters Using Support Vector Machine.

Toshiki Saito, Ryo Kikuchi, Takenori Atsumi

Proceedings of the IEEE International Conference on Industrial Technology, 2019

Efficient Secure Multi-Party Protocols for Decision Tree Classification.

Atsunori Ichikawa, Wakaha Ogata, Koki Hamada, Ryo Kikuchi

Proceedings of the Information Security and Privacy - 24th Australasian Conference, 2019

2018

Password-Based Authentication Protocol for Secret-Sharing-Based Multiparty Computation.

Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018

Efficient Bit-Decomposition and Modulus-Conversion Protocols with an Honest Majority.

Ryo Kikuchi, Dai Ikarashi, Takahiro Matsuda, Koki Hamada, Koji Chida

IACR Cryptol. ePrint Arch., 2018

Comparative Study of the Effectiveness of Perturbative Methods for Creating Official Microdata in Japan.

Shinsuke Ito, Toru Yoshitake, Ryo Kikuchi, Fumika Akutsu

Proceedings of the Privacy in Statistical Databases, 2018

High-Throughput Secure AES Computation.

Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Benny Pinkas

Proceedings of the 6th Workshop on Encrypted Computing & Applied Homomorphic Cryptography, 2018

2017

Computational SS and conversion protocols in both active and passive settings.

Ryo Kikuchi, Dai Ikarashi, Koji Chida, Koki Hamada, Wakaha Ogata

IET Inf. Secur., 2017

How to Circumvent the Two-Ciphertext Lower Bound for Linear Garbling Schemes.

Carmen Kempka, Ryo Kikuchi, Koutarou Suzuki

IACR Cryptol. ePrint Arch., 2017

Cryptanalysis of Comparable Encryption in SIGMOD'16.

Caleb Horst, Ryo Kikuchi, Keita Xagawa

Proceedings of the 2017 ACM International Conference on Management of Data, 2017

2016

Garbling Scheme for Formulas with Constant Size of Garbled Gates.

Carmen Kempka, Ryo Kikuchi, Susumu Kiyoshima, Koutarou Suzuki

IACR Cryptol. ePrint Arch., 2016

Evaluation of Secure Computation in a Distributed Healthcare Setting.

Eizen Kimura, Koki Hamada, Ryo Kikuchi, Koji Chida, Kazuya Okamoto, Shirou Manabe, Tomohiro Kuroda, Yasushi Matsumura, Toshihiro Takeda, Naoki Mihara

Proceedings of the Exploring Complexity in Health: An Interdisciplinary Systems Approach - Proceedings of MIE2016 at HEC2016, Munich, Germany, 28 August, 2016

2015

Adaptively and Unconditionally Secure Conversion Protocols between Ramp and Linear Secret Sharing.

Ryo Kikuchi, Dai Ikarashi, Koki Hamada, Koji Chida

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

Secret Sharing with Share-Conversion: Achieving Small Share-Size and Extendibility to Multiparty Computation.

Ryo Kikuchi, Koji Chida, Dai Ikarashi, Wakaha Ogata, Koki Hamada, Katsumi Takahashi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

k-Anonymous Microdata Release via Post Randomisation Method.

Dai Ikarashi, Ryo Kikuchi, Koji Chida, Katsumi Takahashi

Proceedings of the Advances in Information and Computer Security, 2015

Implementation and evaluation of a combined optimization scheme for routing and channel assignment in wireless mesh networks.

Ryo Kikuchi, Kohei Hosaki, Mikio Hasegawa

Proceedings of the 12th Annual IEEE Consumer Communications and Networking Conference, 2015

Practical Password-Based Authentication Protocol for Secret Sharing Based Multiparty Computation.

Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada

Proceedings of the Cryptology and Network Security - 14th International Conference, 2015

2014

Actively Private and Correct MPC Scheme in t<n/2 from Passively Secure Schemes with Small Overhead.

Dai Ikarashi, Ryo Kikuchi, Koki Hamada, Koji Chida

IACR Cryptol. ePrint Arch., 2014

2013

Secret Sharing Schemes with Conversion Protocol to Achieve Short Share-Size and Extendibility to Multiparty Computation.

Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada, Katsumi Takahashi

Proceedings of the Information Security and Privacy - 18th Australasian Conference, 2013

2012

Practically Efficient Multi-party Sorting Protocols from Comparison Sort Algorithms.

Koki Hamada, Ryo Kikuchi, Dai Ikarashi, Koji Chida, Katsumi Takahashi

Proceedings of the Information Security and Cryptology - ICISC 2012, 2012

2011

Strong Security Notions for Timed-Release Public-Key Encryption Revisited.

Ryo Kikuchi, Atsushi Fujioka, Yoshiaki Okamoto, Taiichi Saito

Proceedings of the Information Security and Cryptology - ICISC 2011 - 14th International Conference, Seoul, Korea, November 30, 2011

2010

A Framework for Constructing Convertible Undeniable Signatures.

Ryo Kikuchi, Le Trieu Phong, Wakaha Ogata

Proceedings of the Provable Security - 4th International Conference, 2010