Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2014-11-13 13:25 |
Hiroshima |
|
Transmission Experiment of 100-Gb/s Y-00 Quantum Stream Cipher using Wavelength-Division Multiplexing Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2014-85 |
(Advance abstract in Japanese is available) [more] |
OCS2014-85 pp.13-18 |
QIT (2nd) |
2014-05-12 16:30 |
Aichi |
Nagoya Univ. |
Problem with Interpretation of Trace Distance as Failure Probability in Quantum Key Distribution Takehisa Iwakoshi, Osamu Hirota (Tamagawa Univ.) |
Quantum Key Distribution (QKD) has been attracting attention as an important technique to share an information-theoretic... [more] |
|
OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2013-11-22 13:25 |
Niigata |
Nagaoka University of Technology |
An Experimental Study on Secure Optical Access System using Y-00 Cipher Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2013-89 |
[more] |
OCS2013-89 pp.39-44 |
LQE, OCS, OPE |
2013-10-25 13:05 |
Fukuoka |
|
A study on Y-00 cipher communication for high capacity by wavelength division multiplexing Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2013-71 OPE2013-117 LQE2013-87 |
[more] |
OCS2013-71 OPE2013-117 LQE2013-87 pp.107-112 |
OCS, PN, NS (Joint) |
2013-06-21 14:10 |
Fukushima |
College of Engineering, Nihon University |
Cyber Attack Against Optical Communication System and Its Defense Technology
-- Towards Development of Quantum Enigma Cipher -- Osamu Hirota (Tamagawa Univ.) OCS2013-18 |
Recently, the cyber security and reliability in a digital cloud system are regarded as the most important task force to ... [more] |
OCS2013-18 pp.43-48 |
QIT (2nd) |
2013-05-27 10:30 |
Hokkaido |
Hokkaido Univ. |
On misconception of Koashi's key rate theory of quantum key distribution Osamu Hirota (Tamagawa Univ.) |
It has been pointed out many times by Yuen that the security theory of quantum key distribution(QKD) originated by Shor-... [more] |
|
IT |
2013-05-24 10:50 |
Fukui |
Hotel Matuya Sensen at Awara-onsen, Fukui Pref. |
Holevo capacity of quantum Gaussian channel with limited bandwidth Yong Jiao, Masaki Sohma, Osamu Hirota (Tamagawa Univ.) IT2013-3 |
It is easy to calculate of the Holevo capacity of quantum Gaussian channel without limited bandwidth.However ,for a re... [more] |
IT2013-3 pp.9-12 |
PN |
2013-03-12 14:10 |
Okinawa |
Okinawa-ken Seinen-Kaikan |
Prevention Properties of Optical-CDMA and Y-00 Quantum Stream Cipher against Signal Altenation Attacks Takehisa Iwakoshi, Osamu Hirota (Tamagawa Univ.) PN2012-89 |
In the modern society, mathematical ciphers are often used to protect transmitted data. However, there are possibilities... [more] |
PN2012-89 pp.65-69 |
IT, ISEC, WBS |
2013-03-08 11:45 |
Osaka |
Kwansei Gakuin Univ., Osaka-Umeda Campus |
On fundamental defect of rate theory of quantum key distribution and quantum repeater Osamu Hirota (Tamagawa Univ.) IT2012-92 ISEC2012-110 WBS2012-78 |
It has been pointed out many times by several researchers that the security theory of quantum key distribution(QKD) orig... [more] |
IT2012-92 ISEC2012-110 WBS2012-78 pp.189-194 |
OCS, CS (Joint) |
2013-01-25 13:20 |
Ehime |
Ehime Univ. |
Y-00 quantum cipher from transmitter using directly modulated DFB Laser for secure access networks
-- 80-km transmission experiment at 2.5 Gb/s -- Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2012-94 |
Recently National Security Agency (NAS) and Defense Advanced Research Projects Agency (DARPA) in the United States are f... [more] |
OCS2012-94 pp.53-58 |
OPE, LQE, OCS |
2012-10-25 10:15 |
Miyazaki |
|
Running performance of 2.5 Gb/s Y-00 Transceiver prototype
-- Characteristics of transmission in a field optical fiber of 160 km -- Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2012-44 OPE2012-95 LQE2012-61 |
[more] |
OCS2012-44 OPE2012-95 LQE2012-61 pp.19-24 |
ISEC |
2012-05-18 13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Incompleteness of the criterion for information theoretically key agreement Osamu Hirota (Tamagawa Univ.) ISEC2012-2 |
Despite theoretical haughty claim on the security of quantum key distribution (QKD), even the security for the basic mod... [more] |
ISEC2012-2 pp.5-10 |
CS, OCS (Joint) |
2012-01-27 10:50 |
Mie |
ISESHI-KANKOUBUNKAKAIKAN |
Y-00 quantum stream cipher adapting to 100 Gbit/sec data encryption Osamu Hirota (Tamagawa Univ.) OCS2011-115 |
100 Gbit/sec is so popular at present system for
data center optical communications. The security for such systems is ... [more] |
OCS2011-115 pp.55-60 |
CS, OCS (Joint) |
2012-01-27 11:15 |
Mie |
ISESHI-KANKOUBUNKAKAIKAN |
WDM transmission experiment of Y-00 stream cipher Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2011-116 |
The internet provides a convenient life today, the personal information and proprietary information are transmitted in t... [more] |
OCS2011-116 pp.61-66 |
CS, OCS (Joint) |
2012-01-27 11:40 |
Mie |
ISESHI-KANKOUBUNKAKAIKAN |
Limit of quantitative evaluation of the security of quantum key distribution Osamu Hirota (Tamagawa Univ.) OCS2011-117 |
Recently, many experimental results breaking the quantum key distribution (QKD) have been reported. In addition, a serio... [more] |
OCS2011-117 pp.67-72 |
OCS, CS (Joint) |
2011-01-27 15:15 |
Tokushima |
The University of Tokushima |
Defect of quantum key distribution and proposal of a new method Osamu Hirota, Dan Murakami (Tamagawa Univ.) OCS2010-104 |
Recently, a serious defect in the quantitative evaluation for quantum key distribution has been derived. So we need to... [more] |
OCS2010-104 pp.31-36 |
OCS, CS (Joint) |
2011-01-27 15:40 |
Tokushima |
The University of Tokushima |
Experimental evaluation as the random cipher of the Yuen-2000 (Y-00) protocol Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2010-105 |
The personal information and proprietary information in various network applications are transmitted in the current netw... [more] |
OCS2010-105 pp.37-42 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-18 15:20 |
Osaka |
SEI Ikoma Seminar House |
Inappropriateness in network application and insecurity of single photon quantum cryptography
-- Impractical network by quantum key distribution -- Osamu Hirota (Tamagawa Univ.) OCS2010-89 |
The real network requires good balance of the communication property and the security. The paper will show first the poo... [more] |
OCS2010-89 pp.1-6 |
ISEC, LOIS |
2010-11-17 16:30 |
Ibaraki |
Tsukuba Univ. |
Study of Tolerability in Defacing of Y-00 Quantum Stream Cipher Takehisa Iwakoshi, Osamu Hirota (Tamagawa Univ.) ISEC2010-57 LOIS2010-36 |
The conventional stream ciphers generate ciphertext by taking exclusive-or between plain text and running key sequence ... [more] |
ISEC2010-57 LOIS2010-36 pp.51-55 |
LQE, OPE, OCS |
2010-10-28 11:45 |
Fukuoka |
Mojiko Retro Town, Minato house |
Experimental demonstration of a Yuen-2000 (Y-00) prototype in the GbE communication of the local area network (LAN) of Tamagawa University Fumio Futami, Osamu Hirota (Tamagawa University), Makoto Honda, Shigeto Akutsu, Katsuyoshi Harasawa (Hitachi Information & Communication Engineering) OCS2010-57 OPE2010-93 LQE2010-66 |
Although the current networks are playing an essential role in modern societies, the personal information and proprietar... [more] |
OCS2010-57 OPE2010-93 LQE2010-66 pp.25-30 |