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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCC, ISEC, IT, WBS | 2024-03-14 14:15 |
Osaka | Osaka Univ. (Suita Campus) | An Identity Management System using Group Signatures with Message-Dependent Opening Yuto Imura, Keita Emura (Kanazawa Univ.)  IT2023-118 ISEC2023-117 WBS2023-106 RCC2023-100 |
Isshiki et al. (ACM DRM 2006) proposed a privacy-preserving ID management system using group signatures (Isshiki system)... [more] | IT2023-118 ISEC2023-117 WBS2023-106 RCC2023-100 pp.267-272 |
| RCC, ISEC, IT, WBS | 2023-03-14 13:25 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
Signature scheme based on OSIDH Kohtaroh Aoyagi (TUT), Hiroki Minamide (NITTC), Koutarou Suzuki (TUT) IT2022-90 ISEC2022-69 WBS2022-87 RCC2022-87 |
Isogeny-based cryptography, post-quantum cryptography, is a cryptographic technique that has attracted attention because... [more] | IT2022-90 ISEC2022-69 WBS2022-87 RCC2022-87 pp.135-141 |
| ISEC, SITE, LOIS | 2022-11-18 16:20 |
Online | Online | Decentralization of Revocation Process Using Intermediate Servers in Revocable Group Signatures Kai Kimura, Toru Nakanishi, Teruaki Kitasuka (Hiroshima Univ.) ISEC2022-41 SITE2022-45 LOIS2022-25 |
A group signature is a signature method that allows a user who belongs to a group to prove that he or she ”belongs to th... [more] | ISEC2022-41 SITE2022-45 LOIS2022-25 pp.66-72 |
| ICSS | 2021-11-29 14:15 |
Kochi | KOCHIJYO HALL (Primary: On-site, Secondary: Online) |
Ring Signature scheme based on prime-order bilinear group Masato Uehara, Tian Yangguang, Atsuko Miyaji (OU) ICSS2021-49 |
Among the Ring Signature schemes that satisfy Forward-Secure security, the most efficient scheme is Joseph K. Liu et al.... [more] | ICSS2021-49 pp.19-24 |
| ISEC, LOIS | 2013-11-29 13:05 |
Miyagi | Tohoku Univ. | A Lossy Identification Scheme from the Subgroup Decision Shingo Hasegawa, Shuji Isobe (Tohoku Univ.) ISEC2013-68 LOIS2013-34 |
Lossy identification schemes are used to construct tightly secure signature schemes via the Fiat-Shamir heuristic in the... [more] | ISEC2013-68 LOIS2013-34 pp.57-63 |
| ICSS | 2010-11-05 13:00 |
Hiroshima | Hiroshima City University | An Anonymous Designated Verifier Signature Scheme with Revocation and its Applications Keita Emura, Atsuko Miyaji, Kazumasa Omote (JAIST) ICSS2010-47 |
There are many cryptographic schemes with anonymity, such as group signatures. As one important property, anonymous us... [more] |
ICSS2010-47 pp.17-22 |
| ISEC, LOIS | 2009-11-12 14:20 |
Gifu | Gifu Univ. | A Proposal of Efficient Attribute-Based Group Signature Schemes Using Pairings Hiroki Fujii, Toru Nakanishi, Nobuo Funabiki (Okayama Univ.) ISEC2009-53 LOIS2009-42 |
Group signature scheme is the digital signature scheme enhancing the privacy of the user,and efficient pairing-based sch... [more] | ISEC2009-53 LOIS2009-42 pp.15-22 |
| ISEC, LOIS | 2008-11-13 16:05 |
Aichi | Nagoya Noh Theater | A Proposal of an Efficient Forward-Secure Group Signature Scheme Using Pairing Yuta Hira, Toru Nakanishi, Nobuo Funabiki (Okayama Univ.) ISEC2008-80 OIS2008-56 |
Group signature scheme is one of signature schemes which keep signer’s identity information secret. To prevent a problem... [more] | ISEC2008-80 OIS2008-56 pp.47-54 |
| ISEC | 2008-09-12 15:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Reduction of Public-Key Size in a Revocable Group Signature Scheme with Constant Costs for Signing and Verifying Hiroki Fujii, Yuta Hira, Toru Nakanishi, Nobuo Funabiki (Okayama Univ.) ISEC2008-68 |
Group signature scheme is the digital signature scheme enhancing the privacy of the user. We proposed a revocable scheme... [more] | ISEC2008-68 pp.33-38 |
| ISEC | 2007-09-07 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An Implementation of a Pairing-Based Group Signature Scheme with Verifier-Local Revocation Yuta Hira, Hidehiro Kato, Toru Nakanishi, Yasuyuki Nogami, Nobuo Funabiki, Yoshitaka Morikawa (Okayama Univ.) ISEC2007-83 |
Group signature scheme is one of signature schemes which keep signer's identity information secret. A pairing-based grou... [more] | ISEC2007-83 pp.69-76 |
| ISEC, SITE, IPSJ-CSEC | 2007-07-20 15:45 |
Hokkaido | Future University-Hakodate | Efficient Group Signature Scheme based on the DDH Problem Takuya Yoshida, Koji Okada (Toshiba Solutions) ISEC2007-66 |
We propose an efficient group signature scheme, which is based on the DDH problem. A group signature scheme can be used ... [more] | ISEC2007-66 pp.141-146 |
| IT, ISEC, WBS | 2007-03-16 13:25 |
Gunma | Gunma Univ. (Kiryu Campus) | Group Signature with Efficient Revocation Nao Nomura, Atsuko Miyaji, Keita Emura (JAIST) |
Previous group signature schemes with revocation have computational cost of signing and verification depends on revoked ... [more] | IT2006-115 ISEC2006-170 WBS2006-112 pp.179-184 |
| ISEC | 2006-12-13 14:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Proposal of a Group Siganture Scheme with Membership Revocation Using Prime Numbers and its Implementation Naoto Hamada, Takuya Nakayama, Toru Nakanishi, Nobuo Funabiki (Okayama Univ.) |
Group signature schemes with membership revocation have been intensively researched. In this paper, we propose a new gro... [more] | ISEC2006-109 pp.47-54 |
| ISEC | 2005-05-18 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Ring Signature Schemes with Innocence Assertion Revisited (Part 2)
-- Group Signatures Strengthening the Signers' Privacy -- Yuichi Komano (Toshiba), Kazuo Ohta (UEC), Atsushi Shimbo, Shinichi Kawamura (Toshiba) |
This paper reconsiders the ring signature scheme with innocence assertion [10] as a group signature scheme. The ring sig... [more] | ISEC2005-2 pp.9-16 |
| IT, WBS, ISEC | 2005-03-18 10:45 |
Kyoto | Kyoto Univ. | Unconditionally Secure Group Signature Schemes Takenobu Seito, Kazuyuki Kinose, Junji Shikata, Tsutomu Matsumoto (Yokohama National Univ.) |
A group signature scheme introduced by Chaum and Van Heyst allow a group member to sign message anonymously on behalf of... [more] | IT2004-72 ISEC2004-128 WBS2004-187 pp.13-18 |
| ISEC, LOIS | 2004-11-08 15:30 |
Osaka | Osaka Univ. | A Group Signature Scheme with Membership Revocation for Large Groups Fumiaki Kubooka, Toru Nakanishi, Nobuo Funabiki (Okayama Univ.) |
Some group signature schemes with membership revocation were proposed. In a scheme using an accumulator, the computatio... [more] |
ISEC2004-82 OIS2004-49 pp.27-34 |
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