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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ISEC | 2017-05-12 11:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Size-Hiding Computation for Multiple Parties
-- from ASIACRYPT 2016 -- Kazumasa Shinagawa (Tokyo Inst. of Tech./AIST), Koji Nuida (AIST/PRESTO), Takashi Nishide (Univ. of Tsukuba), Goichiro Hanaoka (AIST), Eiji Okamoto (Univ. of Tsukuba)  ISEC2017-4 |
[more] | ISEC2017-4 p.23 |
| IT, ISEC, WBS | 2016-03-11 10:25 |
Tokyo | The University of Electro-Communications | Expressive Attribute-Based Encryption with Fast Decryption Tsuchida Hikaru, Kanayama Naoki, Nishide Takashi, Okamoto Eiji (Univ. of Tsukuba) IT2015-132 ISEC2015-91 WBS2015-115 |
In recent years, cloud computing has property of cost savings and flexibility, but it does not seem to supply security. ... [more] | IT2015-132 ISEC2015-91 WBS2015-115 pp.189-195 |
| IT, ISEC, WBS | 2016-03-11 10:50 |
Tokyo | The University of Electro-Communications | Provable Secure Decentralized Multi-Authority Attribute-Based Encryption on Non-Programmable Random Oracle Model Tsuchida Hikaru, Kanayama Naoki, Nishide Takashi, Okamoto Eiji (Univ. of Tsukuba) IT2015-133 ISEC2015-92 WBS2015-116 |
In recent years, Attribute-Based Encryption (ABE) is the cryptosystem that is studied actively. Especially, an ABE syste... [more] | IT2015-133 ISEC2015-92 WBS2015-116 pp.197-204 |
| IA, ICSS | 2015-06-11 15:15 |
Fukuoka | Kyushu Institute of Technology Univ. | Implementation of a Pairing Library Using BN Elliptic Curve Yusuke Kanbara, Naoki Kanayama, Takashi Nishide, Eiji Okamoto (Univ. of Tsukuba) IA2015-5 ICSS2015-5 |
Bilinear mapping which called a pairing can realize high performance cryptographic protocols which could not be construc... [more] | IA2015-5 ICSS2015-5 pp.21-26 |
| ICSS | 2014-11-27 16:00 |
Miyagi | Tohoku Gakuin University (Tagajo Campus) | Efficient Computation of Weil Pairing over Supersingular Elliptic Curve and Its Evaluation Kazuma Tanaka (Univ. of Tsukuba), Tadanori Teruya (AIST), Naoki Kanayama, Takashi Nishide, Eiji Okamoto (Univ. of Tsukuba) ICSS2014-56 |
In SCIS 2014, the authors considered efficiency of computing symmetric parings on supersingular elliptic curves over fin... [more] | ICSS2014-56 pp.31-36 |
| EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2013-07-19 09:10 |
Hokkaido | A Note on a Construction of Gateway Threshold Password-based Authenticated Key Exchange Yukou Kobayashi, Naoto Yanai, Takashi Nishide, Eiji Okamoto (Univ. of Tsukuba) ISEC2013-35 SITE2013-30 ICSS2013-40 EMM2013-37 |
Password-based authenticated key exchange (PAKE) allowing users to utilize passwords as secret information is suitable f... [more] | ISEC2013-35 SITE2013-30 ICSS2013-40 EMM2013-37 pp.247-254 |
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| ISEC | 2012-12-12 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Generating elliptic curves having efficient endomorphisms suitable for pairing computation and scalar multiplication Naoki Kanayama, Eiji Okamoto, Kazutaka Saito (Univ. of Tsukuba) ISEC2012-75 |
[more] | ISEC2012-75 pp.23-28 |
| ICSS | 2012-11-22 14:05 |
Hiroshima | Miyajima Mori-no-Yado | Evaluation of Probabilistic Packet Marking Methods using Arrival Probabilisity of Marked Packets Nasato Gotoh, Akira Kanaoka (Univ. of Tsukuba), Masayuki Okada (JPNIC), Eiji Okamoto (Univ. of Tsukuba) ICSS2012-50 |
Probabilistic Packet Marking (PPM) is one of the IP traceback technologies which is used to defense Denial of Service (D... [more] | ICSS2012-50 pp.31-36 |
| ISEC, LOIS | 2012-11-22 15:10 |
Shizuoka | Shizuoka City Industry-University Exchange Center | A note on subgroup decision problem and pairing inversion problem Naoki Kanayama (Univ. of Tsukuba), Shigenori Uchiyama (Tokyo Metro. Univ.), Eiji Okamoto (Univ. of Tsukuba) ISEC2012-70 LOIS2012-45 |
[more] | ISEC2012-70 LOIS2012-45 pp.89-92 |
| ISEC | 2012-09-21 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Computation of pairings and scalar multiplication by using elliptic nets over small characteristic finite fields Naoki Kanayama, Yang Liu, Eiji Okamoto, Kazutaka Saito, Tadanori Teruya (Univ. of Tsukuba), Shigenori Uchiyama (Tokyo Metro Univ.) ISEC2012-44 |
[more] | ISEC2012-44 pp.7-13 |
| EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2012-07-20 15:25 |
Hokkaido | Efficient elliptic curve scalar multiplication using an elliptic net algorithm Naoki Kanayama, Yang Liu, Eiji Okamoto, Kazutaka Saito, Tadanori Teruya (Univ. of Tsukuba), Shigenori Uchiyama (Tokyo Metro Univ.) ISEC2012-37 SITE2012-33 ICSS2012-39 EMM2012-29 |
[more] | ISEC2012-37 SITE2012-33 ICSS2012-39 EMM2012-29 pp.201-206 |
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| ISEC | 2012-05-18 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Note on Efficient Software Implementation of the Scalar Multiplication over Barreto-Naehrig Curves Tadanori Teruya, Naoki Kanayama, Eiji Okamoto (Univ. of Tsukuba) ISEC2012-3 |
In this paper, we describe a design of efficient software implementation of the scalar multiplication over the subgroup,... [more] | ISEC2012-3 pp.11-18 |
| ICSS | 2012-03-16 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Device for Transparent Probabilistic Packet Marking Akira Kanaoka (Univ. of Tsukuba), Masayuki Okada (Univ. of Tsukuba/JPNIC), Eiji Okamoto (Univ. of Tsukuba) ICSS2011-43 |
Probabilistic Packet Marking (PPM) is known as better defence solution for Denial of Service (DoS) attack. However, most... [more] | ICSS2011-43 pp.25-30 |
| ICSS | 2010-11-05 14:30 |
Hiroshima | Hiroshima City University | Network Topology Analysys for Web Malware Risk Assesment Akira Kanaoka (Univ. of Tsukuba), Masahiko Kato (IIJ), Eiji Okamoto (Univ. of Tsukuba) ICSS2010-50 |
Risk Condition Reference Model indicated by National Information Security Center (NISC) simulated dynamics of threat beh... [more] | ICSS2010-50 pp.35-40 |
| ISEC | 2010-09-10 11:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Elliptic Net Based Ate Pairing And Its Variants Naoki Ogura (Tokyo Metropolitan Univ.), Naoki Kanayama (Univ. of Tsukuba), Shigenori Uchiyama (Tokyo Metropolitan Univ.), Eiji Okamoto (Univ. of Tsukuba) ISEC2010-40 |
[more] | ISEC2010-40 pp.13-19 |
| ISEC, IPSJ-CSEC, SITE, ICSS [detail] | 2010-07-02 10:55 |
Aomori | Hirosaki University | Implementation of Key Generation Center for Identity-based Encryption Akira Kanaoka, Takuya Houri, Eiji Okamoto (Univ. of Tsukuba) ISEC2010-27 SITE2010-23 ICSS2010-33 |
Identity-based Encryption (IBE) is approaching to practical use recently, but several significant points to be solved r... [more] |
ISEC2010-27 SITE2010-23 ICSS2010-33 pp.133-139 |
| ISEC | 2010-05-21 15:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An Improvement of Attribute-based Encryption Hiroki Kunitake, Masahiro Mambo, Eiji Okamoto (Tsukuba Univ.) ISEC2010-6 |
Attribute-Based Encryption(ABE) allows only entities having a specified set of attributes can decrypt ciphertexts. ABE i... [more] | ISEC2010-6 pp.33-39 |
| ICSS | 2009-11-13 10:40 |
Miyazaki | University of Miyazaki | Identifying Potentially-Impacted Area using CVSS for Networked Systems Toshiki Harada, Akira Kanaoka, Eiji Okamoto (Univ.of Tsukuba), Masahiko Kato (IIJ Tech. Inc.) ICSS2009-54 |
CVSS(Common Vulnerability Scoring System) is a vulnerability scoring method. CVSS is composed of three metrics groups: ... [more] |
ICSS2009-54 pp.1-6 |
| ISEC | 2009-09-25 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A note on pairing inversion problem Naoki Kanayama, Eiji Okamoto (Univ. of Tsukuba) ISEC2009-49 |
[more] | ISEC2009-49 pp.65-72 |
| ISEC | 2009-09-25 16:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A verifiable server-aided computation of scalar multiplication on elliptic curves Kouta Tamura, Naoki Kanayama, Akira Kanaoka, Tadahiko Ito, Masahiro Mambo, Eiji Okamoto (Univ. of Tsukuba) ISEC2009-50 |
Server-aided computation is the method which delegates computation to server side to execute heavy computation like a ... [more] |
ISEC2009-50 pp.73-78 |
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