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An ID-SP-M4M Scheme and Its Security Analysis

Lihua WANG, Eiji OKAMOTO, Ying MIAO, Takeshi OKAMOTO, Hiroshi DOI

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Summary :

ID-SP-M4M scheme means ID-based series-parallel multisignature schemes for multi-messages. In this paper, we investigate series-parallel multisignature schemes for multi-messages and propose an ID-SP-M4M scheme based on pairings in which signers in the same subgroup sign the same message, and those in different subgroups sign different messages. Our new scheme is an improvement over the series-parallel multisignature schemes introduced by Doi et al.[6]-[8] and subsequent results such as the schemes proposed by Burmester et al.[4] and the original protocols proposed by Tada [20],[21], in which only one message is to be signed. Furthermore, our ID-SP-M4M scheme is secure against forgery signature attack from parallel insiders under the BDH assumption.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E90-A No.1 pp.91-100
Publication Date
2007/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e90-a.1.91
Type of Manuscript
Special Section PAPER (Special Section on Cryptography and Information Security)
Category
Signatures

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