Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] |
2013-07-19 16:05 |
Hokkaido |
|
Recovering RSA Secret Keys from Observed Analog Data (I) Noboru Kunihiro, Atsushi Takayasu (Univ. of Tokyo) ISEC2013-46 SITE2013-41 ICSS2013-51 EMM2013-48 |
[more] |
ISEC2013-46 SITE2013-41 ICSS2013-51 EMM2013-48 pp.339-343 |
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] |
2012-07-20 14:20 |
Hokkaido |
|
An Improved Algorithm for Approximate GCD Problems Atsushi Takayasu, Noboru Kunihiro (UT) ISEC2012-35 SITE2012-31 ICSS2012-37 EMM2012-27 |
In this paper, we analyze multivariate approximate common divisor problem(ACDP), given approximate multiples of the inte... [more] |
ISEC2012-35 SITE2012-31 ICSS2012-37 EMM2012-27 pp.189-194 |
ISEC |
2012-05-18 15:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Report on ASIACRYPT2011 Noboru Kunihiro (UT) ISEC2012-7 |
[more] |
ISEC2012-7 pp.39-41 |
ISEC |
2011-12-14 15:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Report on CRYPTO 2011 Yuji Suga (IIJ), Noboru Kunihiro (The University of Tokyo), Jun Kogure (IPA), Kanta Matsuura (The University of Tokyo) ISEC2011-69 |
The annual international cryptology conference CRYPTO 2011 was held on August 14th - 18th, 2011, at University of Califo... [more] |
ISEC2011-69 pp.31-33 |
ISEC, IT, WBS |
2011-03-04 15:20 |
Osaka |
Osaka University |
On the (Im)possibility Results for Strong Attack Models for Public Key Cryptosystems Yutaka Kawai (Univ. of Tokyo), Yusuke Sakai (Univ. of Electro-Comm.), Noboru Kunihiro (Univ. of Tokyo) IT2010-128 ISEC2010-132 WBS2010-107 |
[more] |
IT2010-128 ISEC2010-132 WBS2010-107 pp.395-402 |
ISEC, IPSJ-CSEC, SITE, ICSS [detail] |
2009-07-02 13:00 |
Akita |
Akita University |
Simplified Proof for Small Secret Key Attack on RSA and its Extension Noboru Kunihiro (Univ. of Tokyo), Kaoru Kurosawa (Ibaragi Univ.) ISEC2009-15 SITE2009-7 ICSS2009-29 |
[more] |
ISEC2009-15 SITE2009-7 ICSS2009-29 pp.1-6 |
ISEC, LOIS |
2007-11-21 13:55 |
Hyogo |
Kobe University |
Small Secret Key Attack on Takagi's Variant of RSA (Part1) Noboru Kunihiro (Univ. of Electro-Comm.), Kouichi Itoh (Fujitsu Labs), Kaoru Kurosawa (Ibaraki Univ.) ISEC2007-90 OIS2007-62 |
[more] |
ISEC2007-90 OIS2007-62 pp.7-14 |
SITE |
2007-11-02 15:05 |
Tokyo |
University of Electro-Communications |
Legal consideration on cryptographic research-groups' actions in case of finding vulnerability Yusuke Inomata, Kazuo Ohta, Noboru Kunihiro (UEC) SITE2007-42 |
We consider a research-group’s action in a case of finding a vulnerability of cryptographic protocol and/or products. W... [more] |
SITE2007-42 pp.15-20 |
ISEC, SITE, IPSJ-CSEC |
2007-07-20 16:10 |
Hokkaido |
Future University-Hakodate |
An Extension of Sanitizable and Deletable Signature Masami Izumi (UEC), Tetsuya Izu (FUJITSU Lab.), Noboru Kunihiro, Kazuo Ohta (UEC) ISEC2007-67 |
Sanitizable or deletable signatures attract much attention because of their privacy-perserving property
in which after ... [more] |
ISEC2007-67 pp.147-154 |
ISEC |
2007-05-18 14:05 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Consideration on security of digital signatures from the view of Paillier's framework Yutaka Kawai, Kazuo Ohta, Noboru Kunihiro (UEC) ISEC2007-9 |
In the dawn of the research on public key cryptosystem,「There is a certain scheme such that if the scheme proven secure ... [more] |
ISEC2007-9 pp.57-64 |
IT, ISEC, WBS |
2007-03-15 17:20 |
Gunma |
Gunma Univ. (Kiryu Campus) |
New Definition of Density on Knapsack Cryptosystems Noboru Kunihiro, Keisuke Kitahara, Kazuo Ohta (UEC) |
[more] |
IT2006-77 ISEC2006-132 WBS2006-74 pp.93-98 |
IT, ISEC, WBS |
2007-03-16 08:30 |
Gunma |
Gunma Univ. (Kiryu Campus) |
On the Security of Secret Handshake Kazuki Yoneyama, Yutaka Kawai, Takahiro Kondo, Kazuo Ohta, Noboru Kunihiro (UEC) |
[more] |
IT2006-93 ISEC2006-148 WBS2006-90 pp.47-52 |
IT, ISEC, WBS |
2007-03-16 11:35 |
Gunma |
Gunma Univ. (Kiryu Campus) |
The proposal of low-processing load authentication method for two parties using disposable ID Kazuo Fushimi, Noboru Kunihiro, Kazuo Ohta (UEC) |
An authentication method for two parties using fixed ID is not enough to deal with the apprehensiveness against leaking ... [more] |
IT2006-100 ISEC2006-155 WBS2006-97 pp.87-92 |
ISEC, LOIS |
2006-11-17 11:40 |
Chiba |
Univ. of Tokyo(Kashiwa Campus) |
A Survey on Dedicated Factoring Devices (Mini-factoring) Tetsuya Izu (FUJITSU), Noboru Kunihiro (UEC), Takeshi Shimoyama (FUJITSU) |
[more] |
ISEC2006-99 OIS2006-57 pp.27-32 |
ISEC, SITE, IPSJ-CSEC |
2006-07-20 11:10 |
Okayama |
Okayama Univ. |
A Survey on Dedicated Factoring Hardware (Relation Finding Step) Tetsuya Izu (FUJITSU), Noboru Kunihiro (UEC), Takeshi Shimoyama (FUJITSU) |
Dedicated factoring devices have attracted much attention since it might be a new threat for RSA. Among the Number Field... [more] |
ISEC2006-13 SITE2006-10 pp.27-34 |
ISEC, LOIS |
2005-11-15 13:15 |
Fukuoka |
Kitakyushu Science and Research Park |
Improved Collision Attack on MD5 Yu Sasaki, Yusuke Naito, Noboru Kunihiro, Kazuo Ohta (Univ. of Electro-Comm.) |
In EUROCRYPT2005, a collision attack on MD5 was proposed by Wang et al.
In this attack, conditions which are sufficien... [more] |
ISEC2005-104 OIS2005-67 pp.35-42 |
ISEC, IPSJ-CSEC, SITE |
2005-07-22 14:15 |
Iwate |
Iwate Prefectural University |
Analysis on the Clockwise Transposition Routing for Dedicated Factoring Devices Tetsuya Izu (FUJITSU Lab./Univ. of Electro-Comm.), Noboru Kunihiro, Kazuo Ohta (Univ. of Electro-Comm.), Takeshi Shimoyama (FUJITSU Lab.) |
Recently, dedicated factoring devices have attracted much attention since it might be a threat for a current RSA-based P... [more] |
ISEC2005-57 pp.101-107 |
ISEC, IPSJ-CSEC, SITE |
2005-07-22 14:40 |
Iwate |
Iwate Prefectural University |
Improved Collision Attack on MD4 with Probability Almost 1 Yusuke Naito, Yu Sasaki, Noboru Kunihiro, Kazuo Ohta (UEC) |
In EUROCRYPT2005, a collision attack on MD4 was proposed by Wang et. al..
Wang et. al. claimed that collision messeage... [more] |
ISEC2005-58 pp.109-116 |
IT, WBS, ISEC |
2005-03-17 13:50 |
Kyoto |
Kyoto Univ. |
A consideration on Randomized Partial Checking Mix Yoshikazu Hanatani, Yasuhiko Hiehata, Bagus Santoso, Noboru Kunihiro, Kazuo Ohta (UEC) |
RPC-MIX[1] guarantees the correctness of shuffle by opening the relationship of each input/output exclusively between th... [more] |
IT2004-52 ISEC2004-108 WBS2004-167 pp.13-18 |
ISEC, IPSJ-CSEC |
2004-07-20 15:10 |
Tokushima |
Tokushima Univ. |
Optimal Security Proof for PFDH under Strong Existential Unforgeability Bagus Santoso, Kazuo Ohta, Noboru Kunihiro (UEC) |
[more] |
ISEC2004-22 pp.53-60 |