Scalable unified dual-radix architecture for Montgomery multiplication in GF(P) and GF(2n). - Kazuyuki Tanimura; Ryuta Nara; Shunitsu Kohara; Kazunori Shimizu; Youhua Shi; Nozomu Togawa; Masao Yanagisawa; Tatsuo Ohtsuki (ASP-DAC, 2008)

A Scan-Based Attack Based on Discriminators for AES Cryptosystems. - Ryuta Nara; Nozomu Togawa; Masao Yanagisawa; Tatsuo Ohtsuki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Unified Dual-Radix Architecture for Scalable Montgomery Multiplications in GF(P) and GF(2n). - Kazuyuki Tanimura; Ryuta Nara; Shunitsu Kohara; Youhua Shi; Nozomu Togawa; Masao Yanagisawa; Tatsuo Ohtsuki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Scan-based attack against elliptic curve cryptosystems. - Ryuta Nara; Nozomu Togawa; Masao Yanagisawa; Tatsuo Ohtsuki (ASP-DAC, 2010)

State-dependent changeable scan architecture against scan-based side channel attacks. - Ryuta Nara; Hiroshi Atobe; Youhua Shi; Nozomu Togawa; Masao Yanagisawa; Tatsuo Ohtsuki (ISCAS, 2010)

Scan-Based Side-Channel Attack against RSA Cryptosystems Using Scan Signatures. - Ryuta Nara; Kei Satoh; Masao Yanagisawa; Tatsuo Ohtsuki; Nozomu Togawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Scan Vulnerability in Elliptic Curve Cryptosystems. - Ryuta Nara; Nozomu Togawa; Masao Yanagisawa; Tatsuo Ohtsuki (IPSJ Trans. Syst. LSI Des. Methodol., 2011)