无随机预言机下的指定验证者代理签名方案

明洋; 王育民

doi:10.3724/SP.J.1146.2006.01661

无随机预言机下的指定验证者代理签名方案

doi: 10.3724/SP.J.1146.2006.01661

明洋,
王育民

基金项目:

国家自然科学基金(60473027)资助课题

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出版历程
- 收稿日期: 2006-10-30
- 修回日期: 2007-04-02
- 刊出日期: 2008-03-19

Designated Verifier Proxy Signature Scheme without Random Oracles

摘要

摘要: 在指定验证者代理签名中，原始签名者把自己的签名权力授权给一个代理签名者，后者可以代表前者签名消息，但是仅仅只有指定验证者能够相信签名的有效性。已知的指定验证者代理签名方案的安全性证明都是在随机预言机模型中的，该文中基于Waters签名方案，首次提出无随机预言机下可证安全的指定验证者代理签名方案。在弱Gap Bilinear Diffie-Hellman假设下，证明所提方案能够抵抗适应性选择消息攻击下的存在性伪造。
- 指定验证者签名; 代理签名; 随机预言机
Abstract: In a designated verifier proxy signature scheme, the original signer delegates his signing capability to the proxy signer in such a way that the latter can sign messages on behalf of the former, but only designated verifier can believe the validity of the signatures. The security of the known designated verifier proxy signature schemes is proven in the random oracle model. In this paper, based on Waters signature scheme, the first designated verifier proxy signature scheme is presented and is provably secure without random oracles. The proposed scheme is proven secure against existential forgery in adaptively chosen message attack under the weak Gap Bilinear Diffie-Hellman assumption.

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参考文献(1)

Mambo M, Usuda K, and Okamoto E. Proxy signature fordelegating signing operation. Proceedings of the 3rd ACMConference on Computer and Communications Security, NewDelhi, India, 1996: 48-57.[2]Dai Jiazhu, Yang Xiaohu, and Dong Jinxiang. Designated-receiver proxy signature scheme for electronic commerce.Proceedings of IEEE International Conference on Systems,Man and Cybernetics, Hyatt Regency, Washington, D.C.,USA, 2003, Vol.1: 384-389.[3]Wang G. Designated-verifier proxy signatures for e-commerce.Proceedings of IEEE International Conference on Multimediaand Expo, Taibei, Taiwan, 2004, Vol.3: 1731-1734.[4]Li X, Chen K, and Li S. Designated-verifier proxy signaturesfor e-commerce from bilinear pairings. Proceedings of the16th International Conference on Computer Communication,Beijing, China, 2004: 1249-1252.[5]Cao T, Lin D, and Xue R. ID-based designated verifier proxysignatures[J].IEE Proceedings Communication.2005, 152(6):989-994[6]Huang Xinyi, Mu Yi, and Susilo W, et al.. Short designatedverifier proxy signature from pairings. Proceedings of theInternational Conference on Embedded and UbiquitousComputing Workshops, Nagasaki, Japan, LNCS 3823, Berlin:Springer-Verlag, 2005: 835-844.[7]Lu Rongxing, Cao Zhenfu, and Dong Xiaolei, et al..Designated verifier proxy signature scheme from bilinearpairings. Proceedings of the First International Multisymposiumson Computer and Computational Sciences,Hangzhou, China, 2006: 40-47.[8]Waters B. Efficient identity-based encryption withoutrandom oracles[J].Proceedings of EUROCRYPT05, Aarhus,Denmark, LNCS.3494, Berlin:-[9]Laguillaumie F, Libert B, and Quisquater J J. Universaldesignated verifier signatures without random oracles ornon-black box assumptions. Proceedings of the 5thInternational Conference Security and Cryptography forNetworks, Maiori, Italy, LNCS 4116. Berlin: Springer-Verlag,2006: 63-77.

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