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新的强指定多个验证者签名方案
引用本文:杨波,肖自碧,杨义先,胡正名,钮心忻. 新的强指定多个验证者签名方案[J]. 北京邮电大学学报, 2007, 30(5): 1-4
作者姓名:杨波  肖自碧  杨义先  胡正名  钮心忻
作者单位:北京邮电大学,信息安全中心,北京,100876;武汉科技大学,理学院,武汉,430081
基金项目:国家重点基础研究发展计划(973计划),国家自然科学基金,北京市自然科学基金
摘    要:基于Chameleon哈希和D.Boneh的多方密钥协商方案,提出了一个新的强指定多个验证者签名方案。在此方案中,只有签名者指定的n个验证者可以各自独立地验证签名,并且即使其中某个指定验证者将自己的秘密值泄漏,其他的任何人也无法验证签名的真伪。分析表明,新方案满足不可转发性、不可伪造性以及签名者身份保密的性质,并且具有较高的效率。

关 键 词:指定多个验证者签名  多线性映射  签名者身份保密性
文章编号:1007-5321(2007)05-0001-04
收稿时间:2006-11-29
修稿时间:2006骞?1鏈?7

A New Strong Multi-Designated Verifiers Signature Scheme
YANG Bo,XIAO Zi-bi,YANG Yi-xian,HU Zheng-ming,NIU Xin-xin. A New Strong Multi-Designated Verifiers Signature Scheme[J]. Journal of Beijing University of Posts and Telecommunications, 2007, 30(5): 1-4
Authors:YANG Bo  XIAO Zi-bi  YANG Yi-xian  HU Zheng-ming  NIU Xin-xin
Affiliation:1. Information Security Center, Beijing University of Posts and Telecommunications, Beijing 100876, China; 2. School of Science, Wuhan University of Science and Technology, Wuhan 430081, China
Abstract:On the basis of Chameleon hash and D.Boneh’s one round multi-party key agreement protocol, a multi-designated verifiers signature scheme was proposed. In the scheme, the signature can be verified independently by each of the n designated verifiers designated by the signer and no one else than the designated person can be convinced by this signature even if one of the designated verifiers reveals the secret value. The security analysis of the proposed scheme shows that it satisfies non-transferability, unforgeability, privacy of signer's identity and has low computational cost.
Keywords:multi-designated verifiers signature  multilinear map  privacy of signer’s identity
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