| Yusuke Kanbara, Tadanori Teruya, Naoki Kanayama, Takashi Nischide, Eiji Okamoto, Software Implementation of a Pairing Function for Public Key Cryptosystems, accepted in the International Conference on IT Convergence and Security 2015(ICITCS2015). |
| ・K. Shinagawa, T. Mizuki, J. Schuldt, K. Nuida, N. Kanayama, T. Nishide, G. Hanaoka, and E. Okamoto, Multi-Party Computation with Small Shuffle Complexity Using Regular Polygon Cards, accepted in the 9th International Conference on Provable Security (ProvSec 2015) (to appear). |
| ・K. Shinagawa, T. Mizuki, J. Schuldt, K. Nuida, N. Kanayama, T. Nishide, G. Hanaoka, and E. Okamoto, Multi-Party Computation Using Polarizing Cards, accepted in the 10th International Workshop on Security (IWSEC 2015) (to appear). |
| ・Y. Kobayashi, N. Yanai, K. Yoneyama, T. Nishide, G. Hanaoka, K. Kim, and E. Okamoto, Gateway Threshold Password-based Authenticated Key Exchange Secure against Undetectable On-line Dictionary Attack, 12th International Conference on Security and Cryptography (SECRYPT 2015), pp.39-52, 2015. |
| ・N. Kitajima, N. Yanai, T. Nishide, G. Hanaoka, and E. Okamoto, Constructions of Fail-Stop Signatures for Multi-signer Setting, 10th Asia Joint Conference on Information Security (AsiaJCIS), IEEE CPS, 2015 (to appear). |
| ・S. Nakagawa, K. Emura, G. Hanaoka, A. Kodate, T. Nishide, E. Okamoto and Y. Sakai, A Privacy-Enhanced Access Log Management Mechanism in SSO Systems from Nominative Signatures, TrustCom 2014, 2014. |
| ・N. Goto, A. Kanaoka, M. Okada and E. Okamoto, METRO: Measurement Of End-to-End Route Trust, Proc. 9th Asia Joint Conference on Information Security (AsiaJCIS2014), pp.31-38, 2014. |
| ・M. Okada, N. Goto, A. Kanaoka and E. Okamoto, A Device for Transparent Probabilistic Packet Marking, Proc. the 4th IEEE International Workshop on Network Technologies for Security, Administration and Protection (NETSAP2013), pp.242-247, 2013. |
| ・T. Yamakawa, N. Kitajima, T. Nishide, G. Hanaoka, and E. Okamoto, A Short Fail-Stop Signature Scheme from Factoring, Provable Security (ProvSec), LNCS 8782, pp.309—316, Springer-Veralag, 2014. |
| ・ W. Ogata, K. Koiwa, A. Kanaoka, and S. Matsuo, Toward Practical Searchable Symmetric Encryption, accepted in the 8th International Workshop on Security (IWSEC 2013), Lecture Notes in Computer Science, Vol. 8231, pp. 151-167, Springer, 2013. |
| ・ N. Yanai, Multiple-Signability: A Study on Multisignatures and Aggregate Signatures, the 8th International Workshop on Security (IWSEC 2013), SCIS/CSS Invited Session, 2013. |
| ・ N. Yanai, M. Mambo, and E. Okamoto, Ordered Multisignature Schemes under the CDH Assumption without Random Oracles, the 16th Information Security Conference (ISC 2013), 2013. |
| ・ Y. Niwa, A. Kanaoka, and E. Okamoto, Construction of a Multi-Domain Functional Encryption System on Functional Information Infrastructure, accepted in the 16th International Conference on Network-Based Information Systems (NBiS 2013), 2013. |
| ・ I. Higurashi, A. Kanaoka, M. Kato, and E. Okamoto, Discovery of Unexpected Services and Communication Paths in Networked Systems (short paper), 5th Symposium on Configuration Analytics and Automation (SafeConfig 2012), 2012. |
| ・ M. Kato, T. Matsunami, A. Kanaoka, H. Koide, and E. Okamoto, Tracing Attacks on Advanced Persistent Threat in Networked Systems (short paper), 5th Symposium on Configuration Analytics and Automation (SafeConfig 2012), 2012. |
| ・ Nuray. At, J.-L. Beuchat, and I. San, Compact Implementation of Threefish and Skein on FPGA. In Proceedings of the 5th IFIP International Conference on New Technologies, Mobility and Security, IEEE Press, 2012. |
| ・ D. F. Aranha, J.-L. Beuchat, J. Detrey, and N. Estibals, Optimal Eta Pairing on Supersingular Genus-2 Binary Hyperelliptic Curves. In O. Dunkelman, editor, Topics in Cryptology – CT-RSA 2012, number 7178 in Lecture Notes in Computer Science, pages 98-115. Springer, 2012. |
| ・ A. Kanaoka, T. Houri, E. Okamoto, Achieving Identity-based Encryption Enabled SSL/TLS and Its Implementation on the OpenSSL and Apache HTTP Server, In Proceedings of the 6th Joint Workshop on Information Security (JWIS 2011), 2011. |
| ・ M. Okada, A. Kanaoka, Y. Katsuno, E. Okamoto, 32-bit AS Number Based IP Traceback, the Fifth International Workshop on Advances in Information Security (WAIS-2011), 2011. |
| ・ N. Yanai, R. Tso, M. Mambo, and E. Okamoto, Certificateless Ordered Sequential Sequential Aggregate Signature Scheme, accepted in Third International Conference on Intelligent Networking and Collaborative Systems (INCoS 2011), pp. 662-667, IEEE Press, 2011. |
| ・ N. Ogura, N. Kanayama, S. Uchiyama and E. Okamoto, Cryptographic Pairings Based on Elliptic Nets, accepted in the 6th International Workshop on Security (IWSEC 2011), Lecture Notes in Computer Science, Vol. 7038, pp. 65-78, Springer, 2011. |
| ・ A. Moreno and E. Okamoto, BlueSnarf revisited: OBEX FTP service directory traversal, In V. Casares-Giner et al., NETWORKING 2011 Workshops, number 6827 in Lecture Notes in Computer Science, pp. 155-166. Springer, 2011. |
| ・ M. Okada, A. Kanaoka, Y. Katsuno, E. Okamoto, 32-bit AS Number Based IP Traceback, the Fifth International Workshop on Advances in InformationSecurity (WAIS-2011), 2011. |
| ・ J.-L. Beuchat, E. Okamoto, and T. Yamazaki, Compact Implementations of BLAKE-32 and BLAKE-64 on FPGA, Proceedings of the 2010 International Conference on Field-Programmable Technology – FPT 2010, pages 170-177. IEEE Press, 2010. |
| ・ J.-L. Beuchat, J. E. G. Diaz, S. Mitsunari, E. Okamoto, F. Rodriguez-Henriquez, and T. Teruya, High-Speed Software Implementation of the Optimal Ate Pairing over Barreto-Naehrig Curves, Pairing-Based Cryptography – Pairing 2010, number 6487 in Lecture Notes in Computer Science, pages 21-39. Springer, 2010. |
| ・ N. YANAI, E. CHIDA, and M. MAMBO, A Structured Aggregate Signature Scheme, International Symposium on Information Theory and its Application (ISITA) 2010, pp.795-800, IEEE Press, October 2010. |
| ・ A. Kanaoka, T. Houri, E. Okamoto, RFC Supported Implementation of Key Generation Center for Identity-based Encryption, The 5th Joint Workshop on Information Security (JWIS 2010), 2010. |
| ・ T. Harada, A. Kanaoka, E. Okamoto, M. Kato, Identifying Potentially-Impacted Area using CVSS for Networked Systems, The First Workshop on Convergence Security and Privacy (CSnP 2010), 2010. |
| ・ S. Kramer, R. Goré, E. Okamoto, Formal Definitions and Complexity Results for Trust Relations and Trust Domains. In Proceedings of the ESSLLI-affiliated Workshop on Logics in Security, 2010. |
| ・ S. Kramer, A. Rybalchenko, A Multi-Modal Framework for Achieving Accountability in Multi-Agent Systems. In Proceedings of the ESSLLI-affiliated Workshop on Logics in Security, 2010. |
| ・ S. Kramer, An Intuitionstic Foundation for Interactive Computation. In Proceedings of Computability in Europe: Programs, Proofs, Processes, 2010. |
| ・ J.-L. Beuchat, E. Lopez-Trejo, L. Martinez-Ramos, S. Mitsunari, and F. Rodriguez-Henriquez, Multi-core Implementation of the Tate Pairing over Supersingular Elliptic Curves, Cryptology and Network Security – CANS 2009, number 5888 in Lecture Notes in Computer Science, pp. 413-432. Springer, 2009. |
| ・ J.-L. Beuchat, J. Detrey, N. Estibals, E. Okamoto, and F. Rodriguez-Henriquez, Hardware Accelerator for the Tate Pairing in Characteristic Three Based on Karatsuba-Ofman Multipliers, Cryptographic Hardware and Embedded Systems – CHES 2009, number 5747 in Lecture Notes in Computer Science, pp. 225-239. Springer, 2009. |
| ・ N. YANAI, E. CHIDA, and M. MAMBO, A Structured Multisignature Based on a Non-Commutative Ring Homomorphism, Joint Workshop on Information Security (JWIS) 2009, 1B-3, pp.1-15, August 2009. |
| ・ A. Kanaoka, M. Katoh, N. Toudou, E. Okamoto, Extraction of Parameters from Well Managed Networked System in Access Control, Proceedings of The Fourth International Conference on Internet Monitoring and Protection (ICIMP 2009), pp. 56-61, 2009. |
| ・ A. Romanov and E. Okamoto, A Framework for Building and Managing Secured ERP Landscape. World Congress in Computer Science, Computer Engineering, and Applied Computing / International Conference on Security an d Management 2009 (SAM09), July, 2009. |
| ・ A. Romanov and E. Okamoto, An Approach for designing of enterprise IT landscapes to perform quantitative information security risk assessment. ICETE/SECRYPT2009, July, 2009. |
| ・ Aa Romanov and E. Okamoto, A quantative approach to access information security related risks. 4th International Conference on risks and security of internet and systems (CRISIS2009), IEEE, Oct., 2009. |
| ・ J.-. Beuchat, J. Detrey, N. Estibals, E. Okamoto, and F. Rodriguez-Henriquez, Hardware accelerator for the Tate pairing in characteristic three based on Karatsuba-Ofman multipliers.In C. Clavier and K. Gaj, editors, Cryptographic Hardware and Embedded Systems – CHES 2009, number 5747 in Lecture Notes in Computer Science, pages 225-239. Springer, September 2009. |
| ・ Y. Katsuno, Y. Watanabe, M. Kudo, and E. Okamoto, A pluggable domain management approach for building practical distributed coalitions. In In Proceeding of the 4th International Conference on Availability, Reliability and Security (ARES 2009), March 2009. |
| ・ J.-L. Beuchat, N. Brisebarre, J. Detrey, E. Okamoto, and F. Rodriguez-Henriquez. A comparison between hardware accelerators for the modified tate pairing over F2^m and F3^m. In S.D. Galbraith and K.G. Paterson, editors, Pairing 2008, number 5209 in Lecture Notes in Computer Science, pages 297-315. Springer, 2008. |
| ・ A. Koide, R. Tso, T. Okamoto, and E. Okamoto, A restricted undeniable designated verifier signature. In IEEE Asia-Pacific Services Computing Conference, pages 1375-1380, 2008. |
| ・ A. Koide, R. Tso, and E. Okamoto, A sanitizing signature scheme with indexing. In IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, volume 2, pages 16-21, 2008. |
| ・ A. Koide, R. Tso, and E. Okamoto, Convertible undeniable partially blind signature from bilinear pairings. In IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, volume 2, pages 77-82, 2008. |
| ・ C. Sato, T. Okamoto, and E. Okamoto, Sender authenticated key agreements without random oracles. In International Conference on Covergene Information Technology. IEEE CS, 2007. |
| ・ F. Kanazawa, N. Ohkawa, H. Doi, T. Okamoto, and E. Okamoto, Broadcast encryption with sender authentication and its duality. In International Conference on Covergene Information, Technology. IEEE CS, 2007. |
| ・ R. Tso, T. Okamoto, and E. Okamoto, Ecdsa-verifiable signcryption scheme with signature verification on the signcrypted message. In SKLOIS Conference on Information Security and Cryptology, Lecture Notes in Computer Science. Springer, 2007. |
| ・ R. Tso, X. Yi, and E. Okamoto, Id-based key agreement for dynamic peer groups in mobile computing environments. In APSCC2007, 2007. |
| ・ S. Matsuda, N. Kanayama, F. Hess, and E. Okamoto, Optimised versions of the ate and twisted ate pairings. In IMA2007, 2007. |
| ・ R. Tso, J. G. Nieto, T. Okamoto, C. Boyd, and E. Okamoto, Verifier-key-flexible universal designated-verifier signatures. In IMA2007, 2007. |
| ・ R. Tso, C. Gu, T. Okamoto, and E. Okamoto, An efficient id-based digital signatures with message recovery. In CANS2007, 2007. |
| ・ I. Piseth, A. Inomata, Y. Oyama, T. Okamoto, and E. Okamoto, Implementation of id-based signature in rfid system. In APCC2007, Bangkok, Thailand, October 18-20th 2007. IEEE. |
| ・ M. Shirase, T. Takagi, and E. Okamoto, Universal ηt pairing algorithm over arbitrary extension degree. In The 8th International Workshop on Information Security Applications, WISA2007, LNCS. Springer-Verlag, 2007. |
| ・ J.-L. Beuchat, N. Brisebarre, J. Detrey, and E. Okamoto, Arithmetic operators for pairing-based cryptography. In CHES2007, pages 239-255. Springer-Verlag, 2007. |
| ・ J.-L. Beuchat, N. Brisebarre, M. Shirase, T. Takagi, and E.iji Okamoto, A coprocessor for the final exponentiation of the ηt pairing in characteristic three. In International Workshop on the Arithmetic of Finite Fields (WAIFI2007), 2007. |
| ・ J.-L. Beuchat, M. Shirase, T. Takagi, and E. Okamoto, An algorithm for the ηt pairing calculation in characteristic three and its hardware implementation. In 18th IEEE International Symposium on Computer Arithmetic (Arith 18), pages 97-104, Montpellier, France, June 2007. |
| ・ R. Tso, T. Okamoto, and E. Okamoto, An improved signcryption scheme and its variation. In ITNG 2007, pages 772-778. IEEE Computer Society Press, 2007. |
| ・ J.-L. Beuchat, T. Miyoshi, Y. Oyama, and E. Okamoto, Multiplication over f_p^m on fpga: A survery. In ARC 2007, number 4419 in Lecture Notes in Computer Science, pages 214-225. Springer, 2007. |
| ・ Y. Kawahara, T. Takagi, and E. Okamoto, Efficient implementation of tate pairing on a mobile phone using java. In CIS2006, 2006. |
| ・ S. M. M. Rahman, A. Inomata, T. Okamoto, M. Mambo, and E. Okamoto, Anonymous secure communication in wireless mobile ad- hoc networks. In ICUCT2006, 2006. |
| ・ B. Santoso, N. Kunihiro, N. Kanayama, and K. Ohta, Factorization of square-free integers with high bits known. In 2006, editor, Vietcrypt2006, volume 4341 of LNCS, pages 115-130. |
| ・ S. M. M. Rahman, A. Inomata, M. Mambo, and E. Okamoto, An anonymous on-demand position-based routing in mobile ad hoc networks. In SAINT 2006, 2006. |
| ・ L. Wang, E. Okamoto, Y. Miao, T. Okamoto, and H. Doi, Id-based series-parallel multisignature schemes for multi-messages from bilinear maps. In Proc. of International Workshop on Coding and Cryptography (WCC2005), number 3969 in LNCS, pages 291-303, 2006. |
| ・ L. Wang, T.Okamoto, T.Takagi, and E.Okamoto, Insider impersonation-mim attack to tripartite key agreement scheme and an efficient protocol for multiple keys. In CIS2005, 2005. |
| ・ R. Tso, T. Okamoto, and E. Okamoto, Practical strong esignated verifier signature schemes based on double discrete logarithms. In CISC2005, 2005. |
| ・ R.Tso, T.Okamoto, T.Takagi, and E.Okamoto, An id-based non interactive tripartite key agreement protocol with k-resilience. In IASTED International Conference Communications and Computer Networks (CCN 2005), pages 38-42. IASTED, 2005. |
| ・ K. Peng, E. P. Dawson, J. G. Nieto, E. Okamoto, and J. Lopez, A novel method to maintain privacy in mobile agent applications. In Proc. of Cryptology and Network Security (CANS 2005), number 3810 in LNCS, pages 247-260. Spring-Verlag, 2005. |
| ・ I. Agudo, J. Lopez, J. A. Montenegro, E. Okamoto, and E. Dawson, Delegation perspective of practical authorization schemes. In International Network Conference (INC2005), pages 157-164, 2005. |
| ・ S. Matsuda, A. Inomata, T. Okamoto, and E. Okamoto, Performance evaluation of efficient algorithms for tate pairing. In Proc. of PacRim2005, 2005. |
| ・ A. Inomata, S. M. M. Rahman, T. Okamoto, and E. Okamoto, A novel mail filtering method against method against phishing. In PacRim2005, 2005. |
| ・ T. Okamoto, A. Inomata, and E. Okamoto, A proposal of short proxy signature using pairing. In 2005 International Conference on Information Technology Coding and Computing (ITCC 2005)IEEE Computer Society, pages 631-635, 2005. |
| ・ E. Okamoto and T. Okamoto, Cryptosystems based on elliptic curve pairing. In MDAI2005 (Modeling Decisions for Artificial Intelligence), 2005. |
| ・ Y. Oyama, A. Inomata, T. Okamoto, and E. Okamoto, Real-time computation with enhanced pipe. In MDAI2005 (Modeling Decisions for Artificial Intelligence), 2005. |
| ・ T. Okamoto, R. Tso, and E. Okamoto, One-way and two-party authenticated id-based key agreement protocols using pairing. In MDAI2005 (Modeling Decisions for Artificial Intelligence), 2005. |
| ・ J. Lopez, E. Okamoto, and E. Dawson, Review of practical solutions for the implementation of delegation services. In 5Th International Network Conference, 2005. |
| ・ K. Peng, E. P. Dawson, J. G. Nieto, E. Okamoto, and J. Lopez, A novel method to maintain privacy in mobile agent applications. In TrustBus2005, 2005. |
| ・ T. Okamoto, R. Tso, T. Takagi, and E. Okamoto, k-resilient id-based key distribution schemes from pairing – three party case. In Proc. of International Workshop on Coding and Cryptography (WCC2005), 2005. |
| ・ A. Inomata, Y. Oyama, S. Uda, T. Okamoto, and E. Okamoto, Learner’ s privacy enhanced architecture for distance learning. In Proc. of The 4th IASTED International Conference on Web-Based Education (WBW2005), 2005. |
| ・ T. Ito, T. Okamoto, and E. Okamoto, Anonymous traceable disclosure scheme using pairing over elliptic curve. In Proc. of 3rd International Conference on Information Security, pages 48-52, 2004. |
| ・ L. Wang, Z. Cao, E. Okamoto, Y. Miao, and T. Okamoto. Transformation-free proxy cryptosystems and their applications to electronic commerce. In Proc. of 3rd International Conference on Information Security, pages 92-98, 2004. |
| ・ T. Okamoto, T. Ito, and E. Okamoto, Fair generation of detective group key, using pairing. In Proc. of 2004 International Symposium on Information Theory and it Applications (ISITA2004), 2004. |
| ・ T. Okamoto, K. Harada, and E. Okamoto, Id-based key agreement protocols using pairing. In Proc. of 2004 International Symposium on Information Theory and it Applications (ISITA2004), 2004. |
| ・ S. M. M. Rahman and E. Okamoto, A quantum algorithm for sorting. In ICCIT 2004 (7th International Conference on Computer and Information Technology), 2004. |
| ・ R. Tso, Y. Miao, and E. Okamoto, A new algorithm for searching a consistent set of shares in a threshold scheme with cheaters. In ICISC 2003, number 2971 in LNCS, pages 377-385, 2003. |
| ・ S. M. M. Rahman, S. M. Masum, M. S. I. Khan, M. L. Rahman, and E. Okamoto, Message digest and integrity checking using hash function. In ICCIT2003 (6th International Conference on Computer and Information Technology), 2003. |
| ・ E. Dawson, J. Lopez, J. A. Montenegro, and E. Okamoto, Baai: Biometric authentication and authorization infrastructure. In Proc. of ITRE2003 (International Conference on Information Technology: Research and Education), IEEE, 2003. |
| ・ T. Okamoto, H. Katsuno, and E. Okamoto. A fast signature scheme based on new on-line computation. In Proc. of ISC’03, LNCS, 2003. |
| ・ J. M. G. Nieto, J. Reid, E. Dawson, and E. Okamoto. Privacy implications of trusted computing. In Trust and Privacy in Digital Business, DEXA workshop, IEEE, pages 383-388, 2003. |
| ・ A. Kanaoka and E. Okamoto, Multivariate statistical analysis of network traffic for intrusion detection. In Trust and Privacy in Digital Business, DEXA workshop, IEEE, 2003. |
