| Paper Abstract and Keywords |
| Presentation |
2006-12-13 14:35
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.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Group signature schemes with membership revocation have been intensively researched. In this paper, we propose a new group signature scheme where the computational cost for signing/verification is lower than an existing scheme without the update of signers' private keys. In the proposed scheme, a group manager issues the membership certificate with a unique prime number to every member of the group. A revocation of a membership certificate is performed by using this prime number. To show the practicality of the proposed scheme, we implemented the scheme on a PC, and measured the execution time. In a group with 1000 members, the signature
signing/verification needs about 1.3 seconds. Since this time is less than half of the time that needed in the existing scheme, the practicality of the proposed scheme is sufficiently shown. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
group signatures / revocation / privacy protection / prime numbers / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 411, ISEC2006-109, pp. 47-54, Dec. 2006. |
| Paper # |
ISEC2006-109 |
| Date of Issue |
2006-12-06 (ISEC) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
ISEC |
| Conference Date |
2006-12-13 - 2006-12-13 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
|
| Paper Information |
| Registration To |
ISEC |
| Conference Code |
2006-12-ISEC |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A Proposal of a Group Siganture Scheme with Membership Revocation Using Prime Numbers and its Implementation |
| Sub Title (in English) |
|
| Keyword(1) |
group signatures |
| Keyword(2) |
revocation |
| Keyword(3) |
privacy protection |
| Keyword(4) |
prime numbers |
| Keyword(5) |
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| Keyword(6) |
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| 1st Author's Name |
Naoto Hamada |
| 1st Author's Affiliation |
Okayama University (Okayama Univ.) |
| 2nd Author's Name |
Takuya Nakayama |
| 2nd Author's Affiliation |
Okayama University (Okayama Univ.) |
| 3rd Author's Name |
Toru Nakanishi |
| 3rd Author's Affiliation |
Okayama University (Okayama Univ.) |
| 4th Author's Name |
Nobuo Funabiki |
| 4th Author's Affiliation |
Okayama University (Okayama Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2006-12-13 14:35:00 |
| Presentation Time |
25 minutes |
| Registration for |
ISEC |
| Paper # |
ISEC2006-109 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.411 |
| Page |
pp.47-54 |
| #Pages |
8 |
| Date of Issue |
2006-12-06 (ISEC) |