Fast Implementation of Public-Key Cryptography ona DSP TMS320C6201. - Kouichi Itoh; Masahiko Takenaka; Naoya Torii; Syouji Temma; Yasushi Kurihara (CHES, 1999)

Implementation of Elliptic Curve Cryptographic Coprocessor over GF(2m) on an FPGA. - Souichi Okada; Naoya Torii; Kouichi Itoh; Masahiko Takenaka (CHES, 2000)

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

DPA Countermeasure Based on the "Masking Method". - Kouichi Itoh; Masahiko Takenaka; Naoya Torii (ICISC, 2001)

Address-Bit Differential Power Analysis of Cryptographic Schemes OK-ECDH and OK-ECDSA. - Kouichi Itoh; Tetsuya Izu; Masahiko Takenaka (CHES, 2002)

DPA Countermeasures by Improving the Window Method. - Kouichi Itoh; Jun Yajima; Masahiko Takenaka; Naoya Torii (CHES, 2002)

Multiple Linear Cryptanalysis of a Reduced Round RC6. - Takeshi Shimoyama; Masahiko Takenaka; Takeshi Koshiba (FSE, 2002)

Theoretical Analysis of "Correlations in RC6". - Masahiko Takenaka; Takeshi Shimoyama; Takeshi Koshiba (IACR Cryptol. ePrint Arch., 2002)

A Practical Countermeasure against Address-Bit Differential Power Analysis. - Kouichi Itoh; Tetsuya Izu; Masahiko Takenaka (CHES, 2003)

Efficient Countermeasures against Power Analysis for Elliptic Curve Cryptosystems. - Kouichi Itoh; Tetsuya Izu; Masahiko Takenaka (CARDIS, 2004)

Theoretical Analysis of chi2 Attack on RC6. - Masahiko Takenaka; Takeshi Shimoyama; Takeshi Koshiba (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

PIATS: A Partially Sanitizable Signature Scheme. - Tetsuya Izu; Nobuyuki Kanaya; Masahiko Takenaka; Takashi Yoshioka (ICICS, 2005)

Design Optimization of a High-Speed, Area-Efficient and Low-Power Montgomery Modular Multiplier for RSA Algorithm. - Shoichi Masui; Kenji Mukaida; Masahiko Takenaka; Naoya Torii (IEICE Trans. Electron., 2005)

Improving the Randomized Initial Point Countermeasure Against DPA. - Kouichi Itoh; Tetsuya Izu; Masahiko Takenaka (ACNS, 2006)

A Fast RSA Implementation on Itanium 2 Processor. - Kazuyoshi Furukawa; Masahiko Takenaka; Kouichi Itoh (ICICS, 2006)

Adoption of the IPsec-VPN for the Ubiquitous Network. - Shingo Fujimoto; Masahiko Takenaka (SAINT, 2006)

Analysis on Bleichenbacher's Forgery Attack. - Tetsuya Izu; Masahiko Takenaka; Takeshi Shimoyama (ARES, 2007)

How to Forge a Time-Stamp Which Adobe's Acrobat Accepts. - Tetsuya Izu; Takeshi Shimoyama; Masahiko Takenaka (IMACC, 2007)

A Sanitizable Signature Scheme with Aggregation. - Tetsuya Izu; Noboru Kunihiro; Kazuo Ohta; Masahiko Takenaka; Takashi Yoshioka (ISPEC, 2007)

Sanitizable and Deletable Signature. - Tetsuya Izu; Noboru Kunihiro; Kazuo Ohta; Makoto Sano; Masahiko Takenaka (WISA, 2008)

Extending Bleichenbacher's Forgery Attack. - Tetsuya Izu; Takeshi Shimoyama; Masahiko Takenaka (J. Inf. Process., 2008)

Yet Another Sanitizable Signature from Bilinear Maps. - Tetsuya Izu; Noboru Kunihiro; Kazuo Ohta; Makoto Sano; Masahiko Takenaka (ARES, 2009)

Forgery Attacks on Time-Stamp, Signed PDF and X.509 Certificate. - Kouichi Itoh; Tetsuya Izu; Wakaha Ogata; Takeshi Shimoyama; Masahiko Takenaka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Experimental Results on Cheon's Algorithm. - Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (ARES, 2010)

Multiple Designated Verifiers Signatures Reconsidered. - Mebae Ushida; Tetsuya Izu; Masahiko Takenaka; Kazuo Ohta (ARES, 2010)

A Prototype System for Ensuring Integrity of Extracted Video Data (Extended Abstract). - Tetsuya Izu; Masahiko Takenaka; Takashi Yoshioka (IWSEC (Short Papers), 2010)

Experimantal Analysis of Cheon's Algorithm Against Pairing-Friendly Curves. - Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (AINA, 2011)

Uniqueness Enhancement of PUF Responses Based on the Locations of Random Outputting RS Latches. - Dai Yamamoto; Kazuo Sakiyama; Mitsugu Iwamoto; Kazuo Ohta; Takao Ochiai; Masahiko Takenaka; Kouichi Itoh (CHES, 2011)

Detailed Cost Estimation of CNTW Attack against EMV Signature Scheme. - Tetsuya Izu; Yoshitaka Morikawa; Yasuyuki Nogami; Yumi Sakemi; Masahiko Takenaka (Financial Cryptography Workshops, 2011)

Time Estimation of Cheon's Algorithm over Elliptic Curves on Finite Fields with Characteristic 3. - Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (IMIS, 2011)

Solving a DLP with Auxiliary Input with the ρ-Algorithm. - Yumi Sakemi; Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (WISA, 2011)

Solving DLP with Auxiliary Input over an Elliptic Curve Used in TinyTate Library. - Yumi Sakemi; Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (WISTP, 2011)

Detailed Cost Estimation of CNTW Forgery Attack against EMV Signature Scheme. - Tetsuya Izu; Yumi Sakemi; Masahiko Takenaka (IEICE Trans. Inf. Syst., 2011)

Experimental Analysis of Cheon's Algorithm against Pairing-friendly Curves. - Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (J. Inf. Process., 2011)

Integrity Assurance for Real-Time Video Recording. - Tetsuya Izu; Masahiko Takenaka; Jun Yajima; Takashi Yoshioka (IMIS, 2012)

Solving a Discrete Logarithm Problem with Auxiliary Input on a 160-Bit Elliptic Curve. - Yumi Sakemi; Goichiro Hanaoka; Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (Public Key Cryptography, 2012)

Evaluation of ASIC Implementation of Physical Random Number Generators Using RS Latches. - Hirotaka Kokubo; Dai Yamamoto; Masahiko Takenaka; Kouichi Itoh; Naoya Torii (CARDIS, 2013)

Improving the Confidential Data Totalization. - Kazuyoshi Furukawa; Masahiko Takenaka; Tetsuya Izu (IMIS, 2013)

Variety enhancement of PUF responses using the locations of random outputting RS latches. - Dai Yamamoto; Kazuo Sakiyama; Mitsugu Iwamoto; Kazuo Ohta; Masahiko Takenaka; Kouichi Itoh (J. Cryptogr. Eng., 2013)

On Detection for Scarcely Collided Super-Slow Port Scannings in IDSs' Log-Data. - Kazuyoshi Furukawa; Satoru Shimizu; Masahiko Takenaka; Satoru Torii (J. Commun., 2013)

A Spoofing Attack against a Cancelable Biometric Authentication Scheme. - Tetsuya Izu; Yumi Sakemi; Masahiko Takenaka; Naoya Torii (AINA, 2014)

Security Evaluation of Bistable Ring PUFs on FPGAs using Differential and Linear Analysis. - Dai Yamamoto; Masahiko Takenaka; Kazuo Sakiyama; Naoya Torii (FedCSIS, 2014)

Privacy-Preserving Technology for Secure Utilization of Sensor Data (Extended Abstract). - Tetsuya Izu; Takao Ogura; Yumi Sakemi; Masahiko Takenaka; Hiroshi Tsuda (IMIS, 2014)

A Technique Using PUFs for Protecting Circuit Layout Designs against Reverse Engineering. - Dai Yamamoto; Masahiko Takenaka; Kazuo Sakiyama; Naoya Torii (IWSEC, 2014)

Dynamic Behavior of RS latches using FIB processing and probe connection. - Naoya Torii; Dai Yamamoto; Masahiko Takenaka; Tsutomu Matsumoto (IACR Cryptol. ePrint Arch., 2014)

RAT-based malicious activities detection on enterprise internal networks. - Masahiro Yamada; Masanobu Morinaga; Yuki Unno; Satoru Torii; Masahiko Takenaka (ICITST, 2015)

TOPASE: Detection of brute force attacks used disciplined IPs from IDS log. - Satomi Honda; Yuki Unno; Koji Maruhashi; Masahiko Takenaka; Satoru Torii (IM, 2015)

SPIKE: Scalable Peer Intermediaries for Key Establishment in Sensor Networks. - Yumi Sakemi; Masahiko Takenaka; Tetsuya Izu (NBiS, 2015)

A new method for enhancing variety and maintaining reliability of PUF responses and its evaluation on ASICs. - Dai Yamamoto; Kazuo Sakiyama; Mitsugu Iwamoto; Kazuo Ohta; Masahiko Takenaka; Kouichi Itoh; Naoya Torii (J. Cryptogr. Eng., 2015)

ASIC implementation of random number generators using SR latches and its evaluation. - Naoya Torii; Hirotaka Kokubo; Dai Yamamoto; Kouichi Itoh; Masahiko Takenaka; Tsutomu Matsumoto (EURASIP J. Inf. Secur., 2016)

Experimental Evaluation on the Resistance of Latch PUFs Implemented on ASIC against FIB-Based Invasive Attacks. - Naoya Torii; Dai Yamamoto; Masahiko Takenaka; Tsutomu Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

TOPASE: Detection and Prevention of Brute Force Attacks with Disciplined IPs from IDS Logs. - Satomi Saito; Koji Maruhashi; Masahiko Takenaka; Satoru Torii (J. Inf. Process., 2016)

Recovering Attacks Against Linear Sketch in Fuzzy Signature Schemes of ACNS 2015 and 2016. - Masaya Yasuda; Takeshi Shimoyama; Masahiko Takenaka; Narishige Abe; Shigefumi Yamada; Junpei Yamaguchi (ISPEC, 2017)

High-Speed Forensic Technology Against Targeted Cyber Attacks (Extended Abstract). - Yuki Unno; Takanori Oikawa; Kazuyoshi Furukawa; Masanobu Morinaga; Masahiko Takenaka; Tetsuya Izu (NBiS, 2017)

Analysis of Actual Propagation Behavior of WannaCry Within an Intranet (Extended Abstract). - Takanori Oikawa; Masahiko Takenaka; Yuki Unno (NBiS, 2019)

Constrained optimal stopping under a regime-switching model. - Takuji Arai; Masahiko Takenaka (J. Appl. Probab., 2024)