| Presentation | 2001/9/10 Multiparty DSA Signature Generation without Concurrent Processing Yoshiki SAMESHIMA, Hideaki SAISHO, Tsutomu MATSUMOTO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The authors present a multiparty signature generation scheme of the Digital Signature Algorithm(EIPS 186-1). The scheme is based on a simple idea, however, it has great convenience in usability in the real world. The scheme has the following properties:(1)valid signatures can be generated with n split private keys, (2)broadcast messages between key holders are hidden from them, so that the n key holders do not need to process signature generation at the same time, (3)even if up to t split keys are stolen, the adversary can get no information on the private key, nor generate valid signatures, and (4)the scheme is as secure as the original signature algorithm against the adaptive chosen message attack. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | DSA / multiparty protocol / digital signature / threshold signature / adaptive chosen message attack |
| Paper # | ISEC 2001-66 |
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| Conference Information | |
| Committee | ISEC |
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| Conference Date | 2001/9/10(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
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| Paper Information | |
| 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) | Multiparty DSA Signature Generation without Concurrent Processing |
| Sub Title (in English) | |
| Keyword(1) | DSA |
| Keyword(2) | multiparty protocol |
| Keyword(3) | digital signature |
| Keyword(4) | threshold signature |
| Keyword(5) | adaptive chosen message attack |
| 1st Author's Name | Yoshiki SAMESHIMA |
| 1st Author's Affiliation | Hitachi Software Engineering Co., Ltd.() |
| 2nd Author's Name | Hideaki SAISHO |
| 2nd Author's Affiliation | Hitachi Software Engineering Co., Ltd. |
| 3rd Author's Name | Tsutomu MATSUMOTO |
| 3rd Author's Affiliation | Graduate School of Environment and Information Sciences, Yokohama National University |
| Date | 2001/9/10 |
| Paper # | ISEC 2001-66 |
| Volume (vol) | vol.101 |
| Number (no) | 311 |
| Page | pp.pp.- |
| #Pages | 8 |
| Date of Issue | |