Presentation | 2003/11/6 A note on message-flexible multisignature schemes Kei KAWAUCHI, Mitsuru TADA, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | A message-flexible multisignature scheme (MFMS) is a multisignature scheme in which a signer can modify the message to be signed or attach some kind of comments. Nowadays we have seen a few MFMS whose security can be proven proposed. Those schemes, however, sacrifice the efficiency such as the total signature size and the computational cost for the veriflcation. In this paper, we present a more efficient MFMS with security proof. The proposed scheme yields a discussion on the relationship between the integer factoring problem and the discrete logarithm problem with a composite modulo. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | multisignature / message-flexibility / security proof / integer factoring / discrete logarithm |
Paper # | ISEC2003-73,OIS2003-50 |
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Conference Information | |
Committee | ISEC |
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Conference Date | 2003/11/6(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Paper Information | |
Registration To | Information Security (ISEC) |
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Language | ENG |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | A note on message-flexible multisignature schemes |
Sub Title (in English) | |
Keyword(1) | multisignature |
Keyword(2) | message-flexibility |
Keyword(3) | security proof |
Keyword(4) | integer factoring |
Keyword(5) | discrete logarithm |
1st Author's Name | Kei KAWAUCHI |
1st Author's Affiliation | Graduate School of Science and Technology, Chiba University() |
2nd Author's Name | Mitsuru TADA |
2nd Author's Affiliation | Institute of Media and Information Technology, Chiba University |
Date | 2003/11/6 |
Paper # | ISEC2003-73,OIS2003-50 |
Volume (vol) | vol.103 |
Number (no) | 416 |
Page | pp.pp.- |
#Pages | 8 |
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