Jun Yajima

According to our database, Jun Yajima authored at least 23 papers between 2001 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2023

ASRA-Q: AI Security Risk Assessment by Selective Questions.

Jun Yajima, Maki Inui, Takanori Oikawa, Fumiyoshi Kasahara, Kentaro Tsuji, Ikuya Morikawa, Nobukazu Yoshioka

J. Inf. Process., 2023

2022

A new approach for machine learning security risk assessment: work in progress.

Jun Yajima, Maki Inui, Takanori Oikawa, Fumiyoshi Kasahara, Ikuya Morikawa, Nobukazu Yoshioka

Proceedings of the 1st International Conference on AI Engineering: Software Engineering for AI, 2022

2021

First to Possess His Statistics: Data-Free Model Extraction Attack on Tabular Data.

Masataka Tasumi, Kazuki Iwahana, Naoto Yanai, Katsunari Shishido, Toshiya Shimizu, Yuji Higuchi, Ikuya Morikawa, Jun Yajima

CoRR, 2021

2020

Anomaly Detection Method "Cumulative Sum Detection" for In-Vehicle Networks.

Jun Yajima, Yasuhiko Abe, Takayuki Hasebe, Takao Okubo

J. Inf. Process., 2020

2019

Data Relation Analysis Focusing on Plural Data Transition for Detecting Attacks on Vehicular Network.

Jun Yajima, Takayuki Hasebe, Takao Okubo

Proceedings of the Advances in Networked-based Information Systems, 2019

2012

Integrity Assurance for Real-Time Video Recording.

Tetsuya Izu, Masahiko Takenaka, Jun Yajima, Takashi Yoshioka

Proceedings of the Sixth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing, 2012

Analysis of Lattice Reduction Attack against the Somewhat Homomorphic Encryption Based on Ideal Lattices.

Masaya Yasuda, Jun Yajima, Takeshi Shimoyama, Jun Kogure

Proceedings of the Public Key Infrastructures, Services and Applications, 2012

2011

Compact Architecture for ASIC and FPGA Implementation of the KASUMI Block Cipher.

Dai Yamamoto, Kouichi Itoh, Jun Yajima

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

2010

Compact Architecture for ASIC Implementation of the MISTY1 Block Cipher.

Dai Yamamoto, Jun Yajima, Kouichi Itoh

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

A Very Compact Hardware Implementation of the KASUMI Block Cipher.

Dai Yamamoto, Kouichi Itoh, Jun Yajima

Proceedings of the Information Security Theory and Practices. Security and Privacy of Pervasive Systems and Smart Devices, 2010

Matrix Representation of Conditions for the Collision Attack of SHA-1 and Its Application to the Message Modification.

Jun Yajima, Takeshi Shimoyama

Proceedings of the Advances in Information and Computer Security, 2010

2009

A Strict Evaluation on the Number of Conditions for SHA-1 Collision Search.

Jun Yajima, Terutoshi Iwasaki, Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Thomas Peyrin, Noboru Kunihiro, Kazuo Ohta

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

Collision-Based Power Attack for RSA with Small Public Exponent.

Kouichi Itoh, Dai Yamamoto, Jun Yajima, Wakaha Ogata

IEICE Trans. Inf. Syst., 2009

2008

A Very Compact Hardware Implementation of the MISTY1 Block Cipher.

Dai Yamamoto, Jun Yajima, Kouichi Itoh

Proceedings of the Cryptographic Hardware and Embedded Systems, 2008

A strict evaluation method on the number of conditions for the SHA-1 collision search.

Jun Yajima, Terutoshi Iwasaki, Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta

Proceedings of the 2008 ACM Symposium on Information, Computer and Communications Security, 2008

2007

A New Strategy for Finding a Differential Path of SHA-1.

Jun Yajima, Yu Sasaki, Yusuke Naito, Terutoshi Iwasaki, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta

Proceedings of the Information Security and Privacy, 12th Australasian Conference, 2007

2006

How to Construct Sufficient Condition in Searching Collisions of MD5.

Yu Sasaki, Yusuke Naito, Jun Yajima, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta

IACR Cryptol. ePrint Arch., 2006

Message Modification for Step 21-23 on SHA-0.

Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Jun Yajima, Noboru Kunihiro, Kazuo Ohta

IACR Cryptol. ePrint Arch., 2006

How to Construct Sufficient Conditions for Hash Functions.

Yu Sasaki, Yusuke Naito, Jun Yajima, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta

Proceedings of the Progressin Cryptology, 2006

Improved Collision Search for SHA-0.

Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Jun Yajima, Noboru Kunihiro, Kazuo Ohta

Proceedings of the Advances in Cryptology, 2006

2005

Wang's sufficient conditions of MD5 are not sufficient.

Jun Yajima, Takeshi Shimoyama

IACR Cryptol. ePrint Arch., 2005

2002

DPA Countermeasures by Improving the Window Method.

Kouichi Itoh, Jun Yajima, Masahiko Takenaka, Naoya Torii

Proceedings of the Cryptographic Hardware and Embedded Systems, 2002

2001

The Block Cipher SC2000.

Takeshi Shimoyama, Hitoshi Yanami, Kazuhiro Yokoyama, Masahiko Takenaka, Kouichi Itoh, Jun Yajima, Naoya Torii, Hidema Tanaka

Proceedings of the Fast Software Encryption, 8th International Workshop, 2001