| 2016 | CCS | Evaluation of Latch-based Physical Random Number Generator Implementation on 40 nm ASICs. | Naoya Torii, Dai Yamamoto, Tsutomu Matsumoto |
| 2014 | AINA | A Spoofing Attack against a Cancelable Biometric Authentication Scheme. | Tetsuya Izu, Yumi Sakemi, Masahiko Takenaka, Naoya Torii |
| 2014 | FedCSIS | Security Evaluation of Bistable Ring PUFs on FPGAs using Differential and Linear Analysis. | Dai Yamamoto, Masahiko Takenaka, Kazuo Sakiyama, Naoya Torii |
| 2014 | IWSEC | A Technique Using PUFs for Protecting Circuit Layout Designs against Reverse Engineering. | Dai Yamamoto, Masahiko Takenaka, Kazuo Sakiyama, Naoya Torii |
| 2013 | CARDIS | Evaluation of ASIC Implementation of Physical Random Number Generators Using RS Latches. | Hirotaka Kokubo, Dai Yamamoto, Masahiko Takenaka, Kouichi Itoh, Naoya Torii |
| 2002 | CHES | DPA Countermeasures by Improving the Window Method. | Kouichi Itoh, Jun Yajima, Masahiko Takenaka, Naoya Torii |
| 2001 | FSE | The Block Cipher SC2000. | Takeshi Shimoyama, Hitoshi Yanami, Kazuhiro Yokoyama, Masahiko Takenaka, Kouichi Itoh, Jun Yajima, Naoya Torii, Hidema Tanaka |
| 2001 | ICISC | DPA Countermeasure Based on the "Masking Method". | Kouichi Itoh, Masahiko Takenaka, Naoya Torii |
| 2000 | CHES | Implementation of Elliptic Curve Cryptographic Coprocessor over GF(2 | Souichi Okada, Naoya Torii, Kouichi Itoh, Masahiko Takenaka |
| 1999 | CHES | Fast Implementation of Public-Key Cryptography ona DSP TMS320C6201. | Kouichi Itoh, Masahiko Takenaka, Naoya Torii, Syouji Temma, Yasushi Kurihara |