Toshihiro Ohigashi

According to our database, Toshihiro Ohigashi authored at least 40 papers between 2003 and 2024.

Collaborative distances:

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

2024

On the Effects of Neural Network-based Output Prediction Attacks on the Design of Symmetric-key Ciphers.

Hayato Watanabe, Ryoma Ito, Toshihiro Ohigashi

IACR Cryptol. ePrint Arch., 2024

2023

Editor's Message to Special Issue of Computer Security Technologies for Secure Cyberspace.

Toshihiro Ohigashi

J. Inf. Process., 2023

A Deeper Look into Deep Learning-based Output Prediction Attacks Using Weak SPN Block Ciphers.

Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi

J. Inf. Process., 2023

Development of the Edge Computing Platform based on Modular Architecture using Intel SGX.

Yuma Nishihira, Takuya Ishibashi, Yoshio Kakizaki, Toshihiro Ohigashi, Hidenobu Watanabe, Tohru Kondo, Reiji Aibara

Proceedings of the 18th Asia Joint Conference on Information Security, 2023

2022

Unbounded Revocable Decentralized Multi-Authority Attribute-Based Encryption Supporting Non-monotone Access Structures.

Takuya Ishibashi, Toshihiro Ohigashi, Hikaru Tsuchida

Proceedings of the Innovative Security Solutions for Information Technology and Communications, 2022

Output Prediction Attacks on Block Ciphers Using Deep Learning.

Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi

Proceedings of the Applied Cryptography and Network Security Workshops, 2022

2021

Detecting Fake QR Codes Using Information from Error-Correction.

Toshihiro Ohigashi, Shuya Kawaguchi, Kai Kobayashi, Hayato Kimura, Tatsuya Suzuki, Daichi Okabe, Takuya Ishibashi, Hiroshi Yamamoto, Maki Inui, Ryo Miyamoto, Kazuyoshi Furukawa, Tetsuya Izu

J. Inf. Process., 2021

Output Prediction Attacks on SPN Block Ciphers using Deep Learning.

Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi

IACR Cryptol. ePrint Arch., 2021

Implementation and Evaluation of an Identity-Based Encryption with Security Against the KGC.

Shuntaro Ema, Yuta Sato, Keita Emura, Toshihiro Ohigashi

Proceedings of the Ninth International Symposium on Computing and Networking, 2021

2020

Secure-channel free searchable encryption with multiple keywords: A generic construction, an instantiation, and its implementation.

Keita Emura, Katsuhiko Ito, Toshihiro Ohigashi

J. Comput. Syst. Sci., 2020

Implementation of a Strongly Robust Identity-Based Encryption Scheme over Type-3 Pairings.

Hiroshi Okano, Keita Emura, Takuya Ishibashi, Toshihiro Ohigashi, Tatsuya Suzuki

Int. J. Netw. Comput., 2020

Verifiable Functional Encryption using Intel SGX.

Tatsuya Suzuki, Keita Emura, Toshihiro Ohigashi, Kazumasa Omote

IACR Cryptol. ePrint Arch., 2020

2019

A Generic Construction of Integrated Secure-Channel Free PEKS and PKE and its Application to EMRs in Cloud Storage.

Tatsuya Suzuki, Keita Emura, Toshihiro Ohigashi

J. Medical Syst., 2019

Privacy-Preserving Aggregation of Time-Series Data with Public Verifiability from Simple Assumptions and Its Implementations.

Keita Emura, Hayato Kimura, Toshihiro Ohigashi, Tatsuya Suzuki

Comput. J., 2019

Implementation of Platform Controller and Process Modules of the Edge Computing for IoT Platform.

Hidenobu Watanabe, Tohru Kondo, Toshihiro Ohigashi

Proceedings of the IEEE International Conference on Pervasive Computing and Communications Workshops, 2019

Development of the Edge Computing Platform with Dynamic Modular Configuration for an IoT Platform.

Tohru Kondo, Hidenobu Watanabe, Kai Kobayashi, Hayato Kimura, Toshihiro Ohigashi

Proceedings of the IEEE Pacific Rim Conference on Communications, 2019

Neural-Network-Based Pseudo-Random Number Generator Evaluation Tool for Stream Ciphers.

Hayato Kimura, Takanori Isobe, Toshihiro Ohigashi

Proceedings of the Seventh International Symposium on Computing and Networking Workshops, 2019

Password Strength Measurement without Password Disclosure.

Taku Sugai, Toshihiro Ohigashi, Yoshio Kakizaki, Akira Kanaoka

Proceedings of the 14th Asia Joint Conference on Information Security, 2019

2018

Theoretical Understanding of Some Conditional and Joint Biases in RC4 Stream Cipher.

Sonu Jha, Subhadeep Banik, Takanori Isobe, Toshihiro Ohigashi, Santanu Sarkar

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

A Generic Construction of Integrated Secure-Channel Free PEKS and PKE.

Tatsuya Suzuki, Keita Emura, Toshihiro Ohigashi

Proceedings of the Information Security Practice and Experience, 2018

2017

How to Efficiently Exploit Different Types of Biases for Plaintext Recovery of RC4.

Yuhei Watanabe, Takanori Isobe, Toshihiro Ohigashi, Masakatu Morii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

Development of the Edge Computing Platform Based on Functional Modulation Architecture.

Tohru Kondo, Hidenobu Watanabe, Toshihiro Ohigashi

Proceedings of the 41st IEEE Annual Computer Software and Applications Conference, 2017

2016

Some Proofs of Joint Distributions of Keystream Biases in RC4.

Sonu Jha, Subhadeep Banik, Takanori Isobe, Toshihiro Ohigashi

Proceedings of the Progress in Cryptology - INDOCRYPT 2016, 2016

2015

Full Plaintext Recovery Attacks on RC4 Using Multiple Biases.

Toshihiro Ohigashi, Takanori Isobe, Yuhei Watanabe, Masakatu Morii

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

2014

Expanding Weak-key Space of RC4.

Atsushi Nagao, Toshihiro Ohigashi, Takanori Isobe, Masakatu Morii

J. Inf. Process., 2014

Comprehensive Analysis of Initial Keystream Biases of RC4.

Takanori Isobe, Toshihiro Ohigashi, Yuhei Watanabe, Masakatu Morii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

Implementation and Evaluation of Secure Outsourcing Scheme for Secret Sharing Scheme on Cloud Storage Services.

Toshihiro Ohigashi, Kouji Nishimura, Reiji Aibara, Kouta Yoshida

Proceedings of the IEEE 38th Annual Computer Software and Applications Conference, 2014

2013

Slide Property of RAKAPOSHI and Its Application to Key Recovery Attack.

Takanori Isobe, Toshihiro Ohigashi, Masakatu Morii

J. Inf. Process., 2013

How to Recover Any Byte of Plaintext on RC4.

Toshihiro Ohigashi, Takanori Isobe, Yuhei Watanabe, Masakatu Morii

Proceedings of the Selected Areas in Cryptography - SAC 2013, 2013

Full Plaintext Recovery Attack on Broadcast RC4.

Takanori Isobe, Toshihiro Ohigashi, Yuhei Watanabe, Masakatu Morii

Proceedings of the Fast Software Encryption - 20th International Workshop, 2013

2012

Falsification Attacks against WPA-TKIP in a Realistic Environment.

Yosuke Todo, Yuki Ozawa, Toshihiro Ohigashi, Masakatu Morii

IEICE Trans. Inf. Syst., 2012

Slide Cryptanalysis of Lightweight Stream Cipher RAKAPOSHI.

Takanori Isobe, Toshihiro Ohigashi, Masakatu Morii

Proceedings of the Advances in Information and Computer Security, 2012

2011

Generalized Classes of Weak Keys on RC4 Using Predictive State.

Ryoichi Teramura, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011

2010

Fast WEP-Key Recovery Attack Using Only Encrypted IP Packets.

Ryoichi Teramura, Yasuo Asakura, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010

Supporting USB Devices for the Global Migration.

Hidenobu Watanabe, Hajime Masaoka, Toshihiro Ohigashi, Tohru Kondo, Kouji Nishimura, Reiji Aibara

Proceedings of the Tenth Annual International Symposium on Applications and the Internet, 2010

2009

A Chosen-IV Key Recovery Attack on Py and Pypy.

Takanori Isobe, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii

IEICE Trans. Inf. Syst., 2009

2008

New Weakness in the Key-Scheduling Algorithm of RC4.

Toshihiro Ohigashi, Yoshiaki Shiraishi, Masakatu Morii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

A Chosen IV Attack Using Phase Shifting Equivalent Keys against DECIM v2.

Hidehiko Nakagami, Ryoichi Teramura, Toshihiro Ohigashi, Hidenori Kuwakado, Masakatu Morii

IACR Cryptol. ePrint Arch., 2008

2005

FMS Attack-Resistant WEP Implementation Is Still Broken.

Toshihiro Ohigashi, Yoshiaki Shiraishi, Masakatu Morii

Proceedings of the Computational Intelligence and Security, International Conference, 2005

2003

Internal-State Reconstruction of a Stream Cipher RC4.

Yoshiaki Shiraishi, Toshihiro Ohigashi, Masakatu Morii

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003