Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
NS, IN (Joint) |
2022-03-11 14:50 |
Online |
Online |
Enhancing Resilience of an MQTT Broker Using Immunity-Based Attack Detection
-- Detection and Prevention of DoS Attacks against Use-After-Free Vulnerabilities -- Takeshi Okamoto (KAIT) NS2021-158 |
Smartification of public services is being promoted, but smart public services are at risk of cyberattacks. One of cyber... [more] |
NS2021-158 pp.212-217 |
NS, IN (Joint) |
2018-03-02 15:20 |
Miyazaki |
Phoenix Seagaia Resort |
Method for Generating a Data Set to Detect Cyber Attacks for Autonomous and Distributed Internet Security Infrastructure Yusei Katsura, Hiroyuki Kimiyama (Tokyo Denki Univ.), Akihiro Nakao (Tokyo Univ.), Naoki Yonezaki, Tomoaki Tsutsumi, Kaoru Sano (Tokyo Denki Univ.), Takeshi Okamoto, Mitsuru Maruyama (Kanagawa Institutes of Technology), Hiroshi Kobayashi (Tokyo Denki Univ.) NS2017-238 |
We proposed "Autonomous and distributed Internet security (AIS) infrastructure" that enables to protect our resources on... [more] |
NS2017-238 pp.397-401 |
IA, IN (Joint) |
2017-12-15 14:10 |
Hiroshima |
Hiroshima City Univ. |
A study of gini importance-based header feature selection methods for cyber attack detection Yuta Kazato, Yuichi Nakatani, Takeshi Okamoto, Akira Shibata (NTT) IN2017-61 |
Growing the expansion of network services and IoT devices, the risk of cyber attacks is increased by high-frequency and ... [more] |
IN2017-61 pp.91-96 |
MBE, BioX |
2017-07-29 17:25 |
Tokushima |
Tokushima University |
Security Evaluation of USB-Based Fingerprint Authentication Products under Spoofing Attacks using a Forged Fingerprint with Conductive Ink Takeshi Okamoto, Kaito Tanimoto (Kanagawa Inst. of Tech.) BioX2017-23 MBE2017-32 |
This paper presents tolerance and security evaluations of 22 USB-based fingerprint authentication products using a finge... [more] |
BioX2017-23 MBE2017-32 pp.73-76 |
BioX, ITE-ME, ITE-IST |
2015-06-29 14:00 |
Ishikawa |
Kanazawa University, Kakuma Campus |
Security Evaluation for Leakage of a Fingerprint Image from USB-Based Fingerprint Authentication Systems Daigo Sato, Takeshi Okamoto, Naoto Umehara (KAIT) BioX2015-6 |
The growing availability of fingerprint authentication systems has resulted in a drop in their price, and their increase... [more] |
BioX2015-6 pp.39-44 |
ICSS |
2015-03-03 17:05 |
Okinawa |
Meio Univiersity |
A Study on CAPTCHA System Using Differential Awkwardness-Objects Michitomo Yamguchi (Meiji Univ.), Takeshi Okamoto (Tsukuba Univ. of Tech.), Hiroaki Kikuchi (Meiji Univ.) ICSS2014-72 |
CAPTCHAs have been accepted as a technique which prevents unauthorized access by bots. Several researchers point out tha... [more] |
ICSS2014-72 pp.55-60 |
NS, OCS, PN (Joint) |
2012-06-21 13:55 |
Yamagata |
Yamagata Univ. |
Long-haul Transmission of 127 Gb/s PM-QPSK Signal with Real-Time DSP-based full CD Compensation at the Receiver Manabu Arikawa, Takeshi Okamoto, Mitsunori Muraki, Daisaku Ogasahara, Emmanuel Le Taillandier de Gabory, Toshiharu Ito, Kiyoshi Fukuchi (NEC) OCS2012-10 |
(Advance abstract in Japanese is available) [more] |
OCS2012-10 pp.7-12 |
CPM, OPE, R |
2010-04-16 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
10Gb/s-80km Transmission Characteristics of a Compact Tunable Light Source Monolithically Integrated with Mach-Zehnder Modulator via DC Mirror Takeshi Okamoto, Kenji Mizutani, Kiyotaka Tsuruoka, Shinya Sudo, Mineto Sato, Koji Kudo, Tomoaki Kato, Kenji Sato (NEC) R2010-3 CPM2010-3 OPE2010-3 |
Recently, in order to reduce footprint of the transmitters and transponders, small form factor modules (TOSA, etc.) have... [more] |
R2010-3 CPM2010-3 OPE2010-3 pp.11-15 |
LQE, CPM, EMD, OPE |
2008-08-29 09:25 |
Miyagi |
Touhoku Univ. |
A Compact Widely Wavelength-Tunable Laser Diode Monolithically Integrated with a Ring/MZI Loop-Filter Takeshi Okamoto, Shinya Sudo, Kiyotaka Tsuruoka, Mads L. Nielsen, Kenji Mizutani, Kenji Sato, Koji Kudo (NEC) EMD2008-46 CPM2008-61 OPE2008-76 LQE2008-45 |
Widely wavelength-tunable lasers with low power consumption and low cost are indispensable for dense wavelength division... [more] |
EMD2008-46 CPM2008-61 OPE2008-76 LQE2008-45 pp.75-78 |
SANE |
2008-06-26 14:15 |
Ibaraki |
Tsukuba Space Center (JAXA) |
Design of Electric Power System of Quasi-Zenith Satellite -1 (QZS-1) Shirou Kawakita, Akihiro Matsumoto, Noriyasu Inaba, Koji Terada (JAXA), Hideaki Koakutsu, Takashi Tazawa, Masato Kudo, Takeshi Okamoto (MELCO) SANE2008-20 |
Electric power system of the Quasi-Zenith Satellite - 1 (QZS-1) has been developed for higher robustness and survivabili... [more] |
SANE2008-20 pp.41-44 |
ISEC |
2008-05-16 16:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Strongly Unforgeable ID-based Signatures Without Random Oracles Chifumi Sato (C4 Technology), Takeshi Okamoto, Eiji Okamoto (Univ. of Tsukuba) ISEC2008-15 |
There is an open problem to construct ID-based signature schemes which satisfy strongly EUF-ID-CMA, without random oracl... [more] |
ISEC2008-15 pp.99-106 |
LQE, OPE, OCS |
2007-11-01 16:15 |
Fukuoka |
|
Wideband External Cavity Wavelength Tunable Laser by Utilizing an SOA with Coupled Quantum Well Active Layer Koji Kudo, Shinya Sudo, Mads L. Nielsen, Kenji Mizutani, Takeshi Okamoto, Kiyotaka Tsuruoka, Takao Morimoto, Tomoaki Kato, Kenji Sato (NEC) OCS2007-52 OPE2007-107 LQE2007-93 |
We have developed a wideband SOA as gain chip of a wide band (C+L) tunable laser by introducing coupled QWs. Low thresho... [more] |
OCS2007-52 OPE2007-107 LQE2007-93 pp.57-60 |
ISEC |
2007-09-07 11:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Sender Authenticated Key Agreements Without Random Oracles Chifumi Sato (C4 Technology), Takeshi Okamoto, Eiji Okamoto (Univ. of Tsukuba) ISEC2007-80 |
The purpose of this paper is to study sender authenticated key agreements by a third party, which uses the received para... [more] |
ISEC2007-80 pp.49-55 |
ISEC |
2007-05-18 15:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A multiplication formula on degenerate divisors of genus 4 hyperelliptic curves Naoki Kanayama, Takehiro Yamaguchi, Takeshi Okamoto, Eiji Okamoto (Tsukuba Univ.) ISEC2007-11 |
We show an pairing-friendly genus 4 hyperelliptic curve over finite fields of characteristic 2 and prove an scalar multi... [more] |
ISEC2007-11 pp.69-76 |
ISEC |
2006-12-13 13:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Proposal for an improvement of computing Twisted Ate pairing Seiichi Matsuda, Naoki Kanayama, Takeshi Okamoto, Eiji Okamoto (Tsukuba Univ.) |
[more] |
ISEC2006-106 pp.29-34 |
ISEC, IPSJ-CSEC, SITE |
2005-07-21 13:00 |
Iwate |
Iwate Prefectural University |
Construction of Oblivious Signatures Nobuyuki Shiina, Takeshi Okamoto, Eiji Okamoto (Tsukuba Univ.) |
(To be available after the conference date) [more] |
ISEC2005-31 SITE2005-29 pp.165-171 |
ISEC, LOIS |
2004-11-09 10:15 |
Osaka |
Osaka Univ. |
Transformation-Free Proxy Cryptosystems with Limited Authorization Lihua Wang (Tsukuba Univ.), Zhenfu Cao (Shanghai Jiao Tong Univ.), Eiji Okamoto, Ying Miao, Takeshi Okamoto (Tsukuba Univ.) |
In this paper transformation-free proxy cryptosystems with limited
authorization (TFP systems) are studied. The TFP sys... [more] |
ISEC2004-88 OIS2004-55 pp.23-28 |