Jun Yajima

Tetsuya Izu, Masahiko Takenaka, Jun Yajima, Takashi Yoshioka: Integrity Assurance for Real-Time Video Recording. IMIS 2012: 651-655

Dai Yamamoto, Kouichi Itoh, Jun Yajima: Compact Architecture for ASIC and FPGA Implementation of the KASUMI Block Cipher. IEICE Transactions 94-A(12): 2628-2638 (2011)

Dai Yamamoto, Jun Yajima, Kouichi Itoh: Compact Architecture for ASIC Implementation of the MISTY1 Block Cipher. IEICE Transactions 93-A(1): 3-12 (2010)

Jun Yajima, Takeshi Shimoyama: Matrix Representation of Conditions for the Collision Attack of SHA-1 and Its Application to the Message Modification. IWSEC 2010: 267-284

Dai Yamamoto, Kouichi Itoh, Jun Yajima: A Very Compact Hardware Implementation of the KASUMI Block Cipher. WISTP 2010: 293-307

Jun Yajima, Terutoshi Iwasaki, Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Thomas Peyrin, Noboru Kunihiro, Kazuo Ohta: A Strict Evaluation on the Number of Conditions for SHA-1 Collision Search. IEICE Transactions 92-A(1): 87-95 (2009)

Kouichi Itoh, Dai Yamamoto, Jun Yajima, Wakaha Ogata: Collision-Based Power Attack for RSA with Small Public Exponent. IEICE Transactions 92-D(5): 897-908 (2009)

Jun Yajima, Terutoshi Iwasaki, Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta: A strict evaluation method on the number of conditions for the SHA-1 collision search. ASIACCS 2008: 10-20

Dai Yamamoto, Jun Yajima, Kouichi Itoh: A Very Compact Hardware Implementation of the MISTY1 Block Cipher. CHES 2008: 315-330

Jun Yajima, Yu Sasaki, Yusuke Naito, Terutoshi Iwasaki, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta: A New Strategy for Finding a Differential Path of SHA-1. ACISP 2007: 45-58

Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Jun Yajima, Noboru Kunihiro, Kazuo Ohta: Improved Collision Search for SHA-0. ASIACRYPT 2006: 21-36

Yu Sasaki, Yusuke Naito, Jun Yajima, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta: How to Construct Sufficient Conditions for Hash Functions. VIETCRYPT 2006: 243-259

Yusuke Naito, Yu Sasaki, Takeshi Shimoyama, Jun Yajima, Noboru Kunihiro, Kazuo Ohta: Message Modification for Step 21-23 on SHA-0. IACR Cryptology ePrint Archive 2006: 16 (2006)

Yu Sasaki, Yusuke Naito, Jun Yajima, Takeshi Shimoyama, Noboru Kunihiro, Kazuo Ohta: How to Construct Sufficient Condition in Searching Collisions of MD5. IACR Cryptology ePrint Archive 2006: 74 (2006)

Jun Yajima, Takeshi Shimoyama: Wang's sufficient conditions of MD5 are not sufficient. IACR Cryptology ePrint Archive 2005: 263 (2005)

Kouichi Itoh, Jun Yajima, Masahiko Takenaka, Naoya Torii: DPA Countermeasures by Improving the Window Method. CHES 2002: 303-317

Takeshi Shimoyama, Hitoshi Yanami, Kazuhiro Yokoyama, Masahiko Takenaka, Kouichi Itoh, Jun Yajima, Naoya Torii, Hidema Tanaka: The Block Cipher SC2000. FSE 2001: 312-327