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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RISING (3rd) |
2023-10-31 10:45 |
Hokkaido | Kaderu 2・7 (Sapporo) | [Poster Presentation]
Performance Analysis of Cognitive Radio Networks With Location Privacy Preservation Ryutaro Kobuchi (Osaka Univ.), Tatsuaki Kimura (Doshisha Univ.), Tetsuya Takine (Osaka Univ.) |
With the rapid increase in demand for wireless communication services, dynamic spectrum sharing in cognitive radio netwo... [more] | |
| SS, DC | 2023-10-12 10:00 |
Nagano | (Primary: On-site, Secondary: Online) |
A game-theoretic approach to indistinguishability of winning objectives as user privacy Rindo Nakanishi (Nagoya Univ.), Yoshiaki Takata (KUT), Hiroyuki Seki (Nagoya Univ.)  SS2023-27 DC2023-33 |
We propose a new game-theoretic framework for studying the privacy protection of a user who interactively uses a softwa... [more] |
SS2023-27 DC2023-33 pp.32-37 |
| AI | 2023-09-12 14:35 |
Hokkaido | Proposal of effective location information privacy protection method using measurement equipment error Riho Isawa, Yuichi Sei, Yasuyuki Tahara, Akihiko Ahsuga (UEC) AI2023-15 |
In recent years, systems that publicly share statistical data based on people's location information, such as congestion... [more] | AI2023-15 pp.77-82 |
|
| QIT (2nd) |
2022-05-30 13:30 |
Online | Online | [Poster Presentation]
Strong non-monotonicity of precision in quantum estimation under tensor products Jisho Miyazaki (Shinpouin/Saihoji) |
We examine two quantum systems parametrized by a same random variable with the following property: the first system alon... [more] | |
| ISEC | 2021-05-19 13:50 |
Online | Online | Distinguishing and Forgery Attacks against Romulus-N and Romulus-M Makoto Habu (Nagoya Univ.), Kazuhiko Minematsu (NEC), Tetsu Iwata (Nagoya Univ.) ISEC2021-6 |
Romulus is an authenticated encryption scheme based on a tweakable block cipher. It was submitted to the NIST Lightweigh... [more] | ISEC2021-6 pp.25-31 |
| ISEC | 2021-05-19 14:30 |
Online | Online | [Invited Talk]
Security Definitions on Time-Lock Puzzles (from ICISC 2020) Daiki Hiraga (Tokyo Tech), Keisuke Hara (Tokyo Tech/AIST), Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka (Tokyo Tech) ISEC2021-7 |
Time-lock puzzles allow one to encapsulate a message for a pre-determined amount of time. The message is required to be... [more] |
ISEC2021-7 p.32 |
| HCGSYMPO (2nd) |
Mie | Sinfonia Technology Hibiki Hall Ise | Improving Accuracy of Voice-Based Mental Health Evaluation by Bayesian Inference. Takeshi Takano, Yasuhiro Omiya, Uraguchi Tomotaka (PST), Masakazu Higuchi, Mitsuteru Nakamura, Shuji Shinohara, Shunji Mitsuyoshi (UTokyo), Taku Saito, Aihide Yoshino, Hiroyuki Toda (NDMC), Shinichi Tokuno (UTokyo) |
Early detection of mental health malfunction is an issue in today's stressful modern era. We have developed MIMOSYS (Min... [more] | ||
| HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] | 2018-07-25 13:40 |
Hokkaido | Sapporo Convention Center | [Invited Talk]
Obfustopia Built on Secret-Key Functional Encryption (from EUROCRYPT 2018) Fuyuki Kitagawa (Tokyo Tech), Ryo Nishimaki (NTT), Keisuke Tanaka (Tokyo Tech) ISEC2018-23 SITE2018-15 HWS2018-20 ICSS2018-26 EMM2018-22 |
We show that indistinguishability obfuscation (IO) for all circuits can be constructed solely from secret-key functional... [more] | ISEC2018-23 SITE2018-15 HWS2018-20 ICSS2018-26 EMM2018-22 p.91 |
| LOIS, ISEC, SITE | 2017-11-09 16:30 |
Kyoto | Anonymous Attribute-Authentication Scheme in Multi-authority Setting on Key Generation Hiroaki Anada (U.Nagasaki), Seiko Arita (IISEC) ISEC2017-59 SITE2017-41 LOIS2017-36 |
In a setting that a single user is given plural credentials on her attributes and related secret keys, an authentication... [more] | ISEC2017-59 SITE2017-41 LOIS2017-36 pp.63-70 |
|
| ISEC, WBS, IT | 2017-03-10 11:45 |
Tokyo | TOKAI University | Diagonally Witness-Indistinguishable Proof Systems Hiroaki Anada (Univ. Nagasaki), Seiko Arita (IISEC) IT2016-121 ISEC2016-111 WBS2016-97 |
We propose a witness-indistinguishable proof system which is a kind of parallel composition of witness-indistinguishable... [more] | IT2016-121 ISEC2016-111 WBS2016-97 pp.145-148 |
| EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2016-07-15 11:10 |
Yamaguchi | Fully Secure Secret-sharing Schemes Using Indistinguishability Obfuscation Hui Zhao, Kouichi Sakurai (Kyushu Univ.) ISEC2016-31 SITE2016-25 ICSS2016-31 EMM2016-39 |
We provide an cryptographic realization of secret-sharing scheme based on obfuscation, and prove that this model is UC s... [more] | ISEC2016-31 SITE2016-25 ICSS2016-31 EMM2016-39 pp.137-143 |
|
| QIT (2nd) |
2015-11-25 15:20 |
Kanagawa | NTT Atsugi R&D center | Security of Quantum Key Distribution from Attacker's View Takehisa Iwakoshi (Tamagawa Univ.) |
In 2005, trace distance between an ideal quantum state to be distributed and an actual quantum state distributed was int... [more] | |
| ICSS | 2015-03-04 09:50 |
Okinawa | Meio Univiersity | A study on the safety of the pseudo-random number generator in RFID Hiroyuki Sato (JAIST), Atsuko Miyaji (JAIST/JST CREST), Chunhua Su (JAIST) ICSS2014-75 |
One of the ways of verifing that whether pseudo-random number generator (PRNG) meets the security requirements or not is... [more] | ICSS2014-75 pp.73-78 |
| ISEC | 2014-05-09 17:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Limited-Birthday Distinguishers for Hash Functions
-- Collisions beyond the Birthday Bound Can Be Meaningful -- Mitsugu Iwamoto (UEC), Yu Sasaki (NTT) ISEC2014-9 |
In this talk, we explain the paper, with the same title of this talk, appeared at the international cryptographic confer... [more] | ISEC2014-9 p.49 |
| ISEC, IT, WBS | 2014-03-11 11:00 |
Aichi | Nagoya Univ., Higashiyama Campus | A Note on Indistinguishability of Fail-Stop Signature Schemes Masahiro Nomura, Katsuhiro Nakamura (Chiba Univ.) IT2013-79 ISEC2013-108 WBS2013-68 |
Fail-Stop signature (FSS) schemes are digital signature schemes in which there are many signatures that pass the signatu... [more] | IT2013-79 ISEC2013-108 WBS2013-68 pp.155-161 |
| IT, ISEC, WBS | 2013-03-08 14:45 |
Osaka | Kwansei Gakuin Univ., Osaka-Umeda Campus | Security Definitions for Public Key Encryption with Keyword Search Revisited Hirokazu Tagai, Junji Shikata (Yokohama National Univ.) IT2012-104 ISEC2012-122 WBS2012-90 |
Public Key Encryption with Keyword Search (PEKS) is a cryptographic primitive imparting the keyword search function with... [more] | IT2012-104 ISEC2012-122 WBS2012-90 pp.263-270 |
| ISEC, LOIS | 2011-11-15 16:05 |
Osaka | Osaka Electro-Communication University | On the Insecurity of Randomized Arithmetic Codes Based on Markov Model Liang Zhao, Takashi Nishide (Kyushu Univ.), Avishek Adhikari (Univ. of Calcutta), Kyung-Hyune Rhee (Pukyong National Univ.), Kouichi Sakurai (Kyushu Univ.) ISEC2011-61 LOIS2011-55 |
An improvement of arithmetic coding (AC) has been proposed in the paper (Communications in Nonlinear Science and Numeric... [more] | ISEC2011-61 LOIS2011-55 pp.181-188 |
| ISEC, IT, WBS | 2011-03-03 16:35 |
Osaka | Osaka University | RFID Identification Protocol with Reduced Reader Computational Cost Takaaki Miyoshi, Tetsu Iwata (Nagoya Univ.) IT2010-76 ISEC2010-80 WBS2010-55 |
In the general setting of the RFID system, as each tag has its unique secret key, the reader needs to exhaustively searc... [more] | IT2010-76 ISEC2010-80 WBS2010-55 pp.49-55 |
| WBS, IT, ISEC | 2009-03-10 10:50 |
Hokkaido | Hakodate Mirai Univ. | The Distinguishing Attack on the Stream Cipher Consisting of the SPN Structure Rei Onga, Ryoichi Teramura, Masakatu Morii (Kobe Univ.) IT2008-82 ISEC2008-140 WBS2008-95 |
The square attack is the key recovery attack on the block cipher like AES and Camellia. This paper proposes a distingui... [more] |
IT2008-82 ISEC2008-140 WBS2008-95 pp.245-251 |
| ISEC, IT, WBS | 2008-02-29 09:45 |
Tokyo | Security Analysis of DRBG Algorithm in NIST SP 800-90 Shoichi Hirose (Univ. of Fukui) IT2007-52 ISEC2007-149 WBS2007-83 |
We discuss the security of HMAC_DRBG specified in NIST SP 800-90. We show that HMAC_DRBG is a pseudorandom bit generato... [more] |
IT2007-52 ISEC2007-149 WBS2007-83 pp.23-28 |
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