Internal-State Reconstruction of a Stream Cipher RC4. - Yoshiaki Shiraishi; Toshihiro Ohigashi; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

FMS Attack-Resistant WEP Implementation Is Still Broken. - Toshihiro Ohigashi; Yoshiaki Shiraishi; Masakatu Morii (CIS (2), 2005)

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)

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 Key Recovery Attack on Py and Pypy. - Takanori Isobe 001; Toshihiro Ohigashi; Hidenori Kuwakado; Masakatu Morii (IEICE Trans. Inf. Syst., 2009)

Supporting USB Devices for the Global Migration. - Hidenobu Watanabe; Hajime Masaoka; Toshihiro Ohigashi; Tohru Kondo; Kouji Nishimura; Reiji Aibara (SAINT, 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)

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)

Slide Cryptanalysis of Lightweight Stream Cipher RAKAPOSHI. - Takanori Isobe 001; Toshihiro Ohigashi; Masakatu Morii (IWSEC, 2012)

Falsification Attacks against WPA-TKIP in a Realistic Environment. - Yosuke Todo; Yuki Ozawa; Toshihiro Ohigashi; Masakatu Morii (IEICE Trans. Inf. Syst., 2012)

Full Plaintext Recovery Attack on Broadcast RC4. - Takanori Isobe 001; Toshihiro Ohigashi; Yuhei Watanabe; Masakatu Morii (FSE, 2013)

How to Recover Any Byte of Plaintext on RC4. - Toshihiro Ohigashi; Takanori Isobe 001; Yuhei Watanabe; Masakatu Morii (Selected Areas in Cryptography, 2013)

Slide Property of RAKAPOSHI and Its Application to Key Recovery Attack. - Takanori Isobe 001; Toshihiro Ohigashi; Masakatu Morii (J. Inf. Process., 2013)

Implementation and Evaluation of Secure Outsourcing Scheme for Secret Sharing Scheme on Cloud Storage Services. - Toshihiro Ohigashi; Kouji Nishimura; Reiji Aibara; Kouta Yoshida (COMPSAC Workshops, 2014)

Comprehensive Analysis of Initial Keystream Biases of RC4. - Takanori Isobe 001; Toshihiro Ohigashi; Yuhei Watanabe; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Expanding Weak-key Space of RC4. - Atsushi Nagao; Toshihiro Ohigashi; Takanori Isobe 001; Masakatu Morii (J. Inf. Process., 2014)

Full Plaintext Recovery Attacks on RC4 Using Multiple Biases. - Toshihiro Ohigashi; Takanori Isobe 001; Yuhei Watanabe; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Some Proofs of Joint Distributions of Keystream Biases in RC4. - Sonu Jha; Subhadeep Banik; Takanori Isobe 001; Toshihiro Ohigashi (INDOCRYPT, 2016)

Development of the Edge Computing Platform Based on Functional Modulation Architecture. - Tohru Kondo; Hidenobu Watanabe; Toshihiro Ohigashi (COMPSAC (2), 2017)

How to Efficiently Exploit Different Types of Biases for Plaintext Recovery of RC4. - Yuhei Watanabe; Takanori Isobe 001; Toshihiro Ohigashi; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

A Generic Construction of Integrated Secure-Channel Free PEKS and PKE. - Tatsuya Suzuki 002; Keita Emura; Toshihiro Ohigashi (ISPEC, 2018)

Theoretical Understanding of Some Conditional and Joint Biases in RC4 Stream Cipher. - Sonu Jha; Subhadeep Banik; Takanori Isobe 001; Toshihiro Ohigashi; Santanu Sarkar 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Password Strength Measurement without Password Disclosure. - Taku Sugai; Toshihiro Ohigashi; Yoshio Kakizaki; Akira Kanaoka (AsiaJCIS, 2019)

Neural-Network-Based Pseudo-Random Number Generator Evaluation Tool for Stream Ciphers. - Hayato Kimura 002; Takanori Isobe 001; Toshihiro Ohigashi (CANDAR Workshops, 2019)

Development of the Edge Computing Platform with Dynamic Modular Configuration for an IoT Platform. - Tohru Kondo; Hidenobu Watanabe; Kai Kobayashi; Hayato Kimura 002; Toshihiro Ohigashi (PACRIM, 2019)

Implementation of Platform Controller and Process Modules of the Edge Computing for IoT Platform. - Hidenobu Watanabe; Tohru Kondo; Toshihiro Ohigashi (PerCom Workshops, 2019)

Privacy-Preserving Aggregation of Time-Series Data with Public Verifiability from Simple Assumptions and Its Implementations. - Keita Emura; Hayato Kimura 002; Toshihiro Ohigashi; Tatsuya Suzuki 002 (Comput. J., 2019)

A Generic Construction of Integrated Secure-Channel Free PEKS and PKE and its Application to EMRs in Cloud Storage. - Tatsuya Suzuki 002; Keita Emura; Toshihiro Ohigashi (J. Medical Syst., 2019)

Verifiable Functional Encryption using Intel SGX. - Tatsuya Suzuki 002; Keita Emura; Toshihiro Ohigashi; Kazumasa Omote (IACR Cryptol. ePrint Arch., 2020)

Implementation of a Strongly Robust Identity-Based Encryption Scheme over Type-3 Pairings. - Hiroshi Okano; Keita Emura; Takuya Ishibashi 001; Toshihiro Ohigashi; Tatsuya Suzuki 002 (Int. J. Netw. Comput., 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 and Evaluation of an Identity-Based Encryption with Security Against the KGC. - Shuntaro Ema; Yuta Sato; Keita Emura; Toshihiro Ohigashi (CANDAR (Workshops), 2021)

Output Prediction Attacks on SPN Block Ciphers using Deep Learning. - Hayato Kimura 002; Keita Emura; Takanori Isobe 001; Ryoma Ito 001; Kazuto Ogawa; Toshihiro Ohigashi (IACR Cryptol. ePrint Arch., 2021)

Detecting Fake QR Codes Using Information from Error-Correction. - Toshihiro Ohigashi; Shuya Kawaguchi; Kai Kobayashi; Hayato Kimura 002; Tatsuya Suzuki 002; Daichi Okabe; Takuya Ishibashi 001; Hiroshi Yamamoto; Maki Inui; Ryo Miyamoto; Kazuyoshi Furukawa; Tetsuya Izu (J. Inf. Process., 2021)

Output Prediction Attacks on Block Ciphers Using Deep Learning. - Hayato Kimura 002; Keita Emura; Takanori Isobe 001; Ryoma Ito 001; Kazuto Ogawa; Toshihiro Ohigashi (ACNS Workshops, 2022)

Unbounded Revocable Decentralized Multi-Authority Attribute-Based Encryption Supporting Non-monotone Access Structures. - Takuya Ishibashi 001; Toshihiro Ohigashi; Hikaru Tsuchida 001 (SecITC, 2022)

Development of the Edge Computing Platform based on Modular Architecture using Intel SGX. - Yuma Nishihira; Takuya Ishibashi 001; Yoshio Kakizaki; Toshihiro Ohigashi; Hidenobu Watanabe; Tohru Kondo; Reiji Aibara (AsiaJCIS, 2023)

A Deeper Look into Deep Learning-based Output Prediction Attacks Using Weak SPN Block Ciphers. - Hayato Kimura 002; Keita Emura; Takanori Isobe 001; Ryoma Ito 001; Kazuto Ogawa; Toshihiro Ohigashi (J. Inf. Process., 2023)

Editor's Message to Special Issue of Computer Security Technologies for Secure Cyberspace. - Toshihiro Ohigashi (J. Inf. Process., 2023)

Development of an Outsourcing Password Evaluation System Using Intel SGX. - Takeki Kitayama; Yuma Nishihira; Akira Kanaoka; Yoshio Kakizaki; Toshihiro Ohigashi (ISITA, 2024)

Adversarial Examples with Missing Perturbation Using Laser Irradiation. - Daisuke Kosuge; Hayato Watanabe; Taiga Manabe; Yoshihisa Takayama; Toshihiro Ohigashi (ISITA, 2024)

A Targeting Attack by Dynamic Fake QR Code Using Invisible Laser Irradiation. - Dai Itakura; Taiga Manabe; Yuki Kamata; Ayana Oku; Hiroshi Yamamoto; Yoshihisa Takayama; Toshihiro Ohigashi (ICISSP (2), 2025)

Attack based on Operational Error caused by Stop-Signal Reaction Time in VR space. - Ryota Mori; Yoshio Kakizaki; Hironori Nakatani; Akira Kanaoka; Toshihiro Ohigashi (VR Workshops, 2025)

On the effects of neural network-based output prediction attacks on the design of symmetric-key ciphers. - Hayato Watanabe; Ryoma Ito 001; Toshihiro Ohigashi (J. Inf. Secur. Appl., 2025)

Implementation and Evaluation of an Identity-based Encryption with Security Against the KGC. - Shuntaro Ema; Yuta Sato; Hinata Nishino; Keita Emura; Toshihiro Ohigashi (J. Inf. Process., 2025)