Presentation | 1998/3/18 A Group Key Renewal Method Suitable for Mobile Telecommunications(II) Natsume MATSUZAKI, Jun ANZAI, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | In SCIS'98, we have proposed a group key renewal method suitable for star-type networks, in which a trusted center can renew the group key except a revoked terminal in a minimum time. This method is useful on a large group because the transmitted data amount after identifying the revoked terminal, does not depend on a size of group. Our method uses a methematical technique that is used for common modulus attack against RSA public key cryptography. In this paper, we discuss how to extend this method as to revoke more than one terminal simultaneously. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | mobile telecommunication / star-type communication system / group key renewal / RSA cryptography |
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Committee | ISEC |
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Conference Date | 1998/3/18(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Registration To | Information Security (ISEC) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | A Group Key Renewal Method Suitable for Mobile Telecommunications(II) |
Sub Title (in English) | |
Keyword(1) | mobile telecommunication |
Keyword(2) | star-type communication system |
Keyword(3) | group key renewal |
Keyword(4) | RSA cryptography |
1st Author's Name | Natsume MATSUZAKI |
1st Author's Affiliation | Advanced Mobile Telecommunications Security Technology Research Laboratories Co., Ltd.() |
2nd Author's Name | Jun ANZAI |
2nd Author's Affiliation | Advanced Mobile Telecommunications Security Technology Research Laboratories Co., Ltd. |
Date | 1998/3/18 |
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Volume (vol) | vol.97 |
Number (no) | 611 |
Page | pp.pp.- |
#Pages | 6 |
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