Selection Strategy of F4-Style Algorithm to Solve MQ Problems Related to MPKC - Takashi Kurokawa; Takuma Ito; Naoyuki Shinohara; Akihiro Yamamura; Shigenori Uchiyama (Cryptogr., 2023)

Latin Hexahedra and Related Combinatorial Structures - Akihiro Yamamura (Algorithms and Discrete Applied Mathematics - 9th International Conference, CALDAM 2023, Gandhinagar, India, February 9-11, 2023, Proceedings, 2023)

The effect of jumping modes on various automata models - Szilárd Zsolt Fazekas; Kaito Hoshi; Akihiro Yamamura (Nat. Comput., 2022)

Blind Decryption and Private Information Delivery - Akihiro Yamamura (Mobile Internet Security - 6th International Symposium, MobiSec 2022, Jeju, South Korea, December 15-17, 2022, Revised Selected Papers, 2022)

Two-way deterministic automata with jumping mode - Szilárd Zsolt Fazekas; Kaito Hoshi; Akihiro Yamamura (Theor. Comput. Sci., 2021)

Groupoid Action and Rearrangement Problem of Bicolor Arrays by Prefix Reversals - Akihiro Yamamura; Riki Kase; Tatiana Baginová Jajcayová (Computer Science - Theory and Applications - 15th International Computer Science Symposium in Russia, CSR 2020, Yekaterinburg, Russia, June 29 - July 3, 2020, Proceedings, 2020)

Two-Way Jumping Automata - Szilárd Zsolt Fazekas; Kaito Hoshi; Akihiro Yamamura (Frontiers in Algorithmics - 14th International Workshop, FAW 2020, Haikou, China, October 19-21, 2020, Proceedings, 2020)

Enhancement of Automata with Jumping Modes - Szilárd Zsolt Fazekas; Kaito Hoshi; Akihiro Yamamura (Cellular Automata and Discrete Complex Systems - 25th IFIP WG 1.5 International Workshop, AUTOMATA 2019, Guadalajara, Mexico, June 26-28, 2019, Proceedings, 2019)

Application of the firefly algorithm to the uncapacitated facility location problem - Kohei Tsuya; Mayumi Takaya; Akihiro Yamamura (J. Intell. Fuzzy Syst., 2017)

Preface - Szilárd Zsolt Fazekas; Kayoko Shikishima-Tsuji; Akihiro Yamamura (Int. J. Found. Comput. Sci., 2016)

One-Way Jumping Finite Automata - Hiroyuki Chigahara; Szilárd Zsolt Fazekas; Akihiro Yamamura (Int. J. Found. Comput. Sci., 2016)

Fitness Function in ABC Algorithm for Uncapacitated Facility Location Problem - Yusuke Watanabe; Mayumi Takaya; Akihiro Yamamura (Information and Communication Technology - Third IFIP TC 5/8 International Conference, ICT-EurAsia 2015, and 9th IFIP WG 8.9 Working Conference, CONFENIS 2015, Held as Part of WCC 2015, Daejeon, Korea, October 4-7, 2015, Proceedings, 2015)

Comparative Study of Monte-Carlo Tree Search and Alpha-Beta Pruning in Amazons - Hikari Kato; Szilárd Zsolt Fazekas; Mayumi Takaya; Akihiro Yamamura (Information and Communication Technology - Third IFIP TC 5/8 International Conference, ICT-EurAsia 2015, and 9th IFIP WG 8.9 Working Conference, CONFENIS 2015, Held as Part of WCC 2015, Daejeon, Korea, October 4-7, 2015, Proceedings, 2015)

Rearranging Two Dimensional Arrays by Prefix Reversals - Akihiro Yamamura (Reachability Problems - 9th International Workshop, RP 2015, Warsaw, Poland, September 21-23, 2015, Proceedings, 2015)

Analysis of a Monte Carlo Tree Search in Knight-Amazons - Hikari Kato; Mayumi Takaya; Akihiro Yamamura (Proceedings of the 2015 International Conference on Soft Computing and Software Engineering, SCSE'15, Berkeley, CA, USA, March 5-6, 2015, 2015)

Security Analysis of Public Key Encryptions Based on Conjugacy Search Problem - Akihiro Yamamura (Information and Communication Technology - Second IFIP TC5/8 International Conference, ICT-EurAsia 2014, Bali, Indonesia, April 14-17, 2014. Proceedings, 2014)

Certificate-based proxy decryption systems with revocability in the standard model - Lihua Wang; Jun Shao; Zhenfu Cao; Masahiro Mambo; Akihiro Yamamura; Licheng Wang (Inf. Sci., 2013)

Reverse Turing Test using Touchscreens and CAPTCHA - Mayumi Takaya; Yusuke Tsuruta; Akihiro Yamamura (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2013)

CAPTCHA Suitable for Smartphones - Yusuke Tsuruta; Mayumi Takaya; Akihiro Yamamura (Information and Communicatiaon Technology - International Conference, ICT-EurAsia 2013, Yogyakarta, Indonesia, March 25-29, 2013. Proceedings, 2013)

More Efficient Threshold Signature Scheme in Gap Diffie-Hellman Group - DaeHun Nyang; Akihiro Yamamura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Updating Quantum Cryptography Report ver. 1 - Donna Dodson; Mikio Fujiwara; Philippe Grangier; Masahito Hayashi; Kentaro Imafuku; Ken-ichi Kitayama; Prem Kumar; Christian Kurtsiefer; Gaby Lenhart; Norbert Lütkenhaus; Tsutomu Matsumoto; William J. Munro; et al. (CoRR, 2009)

Classification of Hash Functions Suitable for Real-Life Systems - Yasumasa Hirai; Takashi Kurokawa; Shin'ichiro Matsuo; Hidema Tanaka; Akihiro Yamamura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Current Status of Japanese Government PKI Systems - Yasuo Miyakawa; Takashi Kurokawa; Akihiro Yamamura; Yasushi Matsumoto (Public Key Infrastructure, 5th European PKI Workshop: Theory and Practice, EuroPKI 2008, Trondheim, Norway, June 16-17, 2008, Proceedings, 2008)

Homomorphic Encryptions of Sums of Groups - Akihiro Yamamura (Applied Algebra, Algebraic Algorithms and Error-Correcting Codes, 17th International Symposium, AAECC-17, Bangalore, India, December 16-20, 2007, Proceedings, 2007)

Threshold Anonymous Group Identification and Zero-Knowledge Proof - Akihiro Yamamura; Takashi Kurokawa; Junji Nakazato (Information Security and Privacy, 12th Australasian Conference, ACISP 2007, Townsville, Australia, July 2-4, 2007, Proceedings, 2007)

Privacy Enhancing Credentials - Junji Nakazato; Lihua Wang; Akihiro Yamamura (Advances in Computer Science - ASIAN 2007. Computer and Network Security, 12th Asian Computing Science Conference, Doha, Qatar, December 9-11, 2007, Proceedings, 2007)

A Certificate-Based Proxy Cryptosystem with Revocable Proxy Decryption Power - Lihua Wang; Jun Shao; Zhenfu Cao; Masahiro Mambo; Akihiro Yamamura (Progress in Cryptology - INDOCRYPT 2007, 8th International Conference on Cryptology in India, Chennai, India, December 9-13, 2007, Proceedings, 2007)

Anonymous Password-Based Authenticated Key Exchange - Duong Viet; Akihiro Yamamura; Hidema Tanaka (Progress in Cryptology - INDOCRYPT 2005, 6th International Conference on Cryptology in India, Bangalore, India, December 10-12, 2005, Proceedings, 2005)

Evaluation and Improvement of the Tempest Fonts - Hidema Tanaka; Osamu Takizawa; Akihiro Yamamura (Information Security Applications, 5th International Workshop, WISA 2004, Jeju Island, Korea, August 23-25, 2004, Revised Selected Papers, 2004)

Embedding Theorems for Groups Presented Via Partial Automorphisms: a Generalization of Semidirect Products and HNN Extensions - Akihiro Yamamura (Int. J. Algebra Comput., 2002)

Private Information Retrieval Based on the Subgroup Membership Problem - Akihiro Yamamura; Taiichi Saito (Information Security and Privacy, 6th Australasian Conference, ACISP 2001, Sydney, Australia, July 11-13, 2001, Proceedings, 2001)

Error Detection and Authentication in Quantum Key Distribution - Akihiro Yamamura; Hirokazu Ishizuka (Information Security and Privacy, 6th Australasian Conference, ACISP 2001, Sydney, Australia, July 11-13, 2001, Proceedings, 2001)

Generic Algorithms and Key Agreement Protocols Based on Group Actions - Akihiro Yamamura; Kaoru Kurosawa (Algorithms and Computation, 12th International Symposium, ISAAC 2001, Christchurch, New Zealand, December 19-21, 2001, Proceedings, 2001)

Key Agreement Protocol Securer than DLOG - Akihiro Yamamura; Kaoru Kurosawa (Proceedings of the International Colloquium on Words, Languages & Combinatorics III, Kyoto, Japan, March 14-18, 2000, 2000)

Hnn Extensions of Semilattices - Akihiro Yamamura (Int. J. Algebra Comput., 1999)

A Functional Cryptosystem Using a Group Action - Akihiro Yamamura (Information Security and Privacy, 4th Australasian Conference, ACISP'99, Wollongong, NSW, Australia, April 7-9, 1999, Proceedings, 1999)

Public-Key Cryptosystems Using the Modular Group - Akihiro Yamamura (Public Key Cryptography, First International Workshop on Practice and Theory in Public Key Cryptography, PKC '98, Pacifico Yokohama, Japan, February 5-6, 1998, Proceedings, 1998)

HNN Extensions of Inverse Semigroups and Applications - Akihiro Yamamura (Int. J. Algebra Comput., 1997)