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Proxy Multisignature Scheme with (t, m) Threshold Shared Verification
引用本文:WANG Xiaoming CHEN Huoyan ZHANG Zhen. Proxy Multisignature Scheme with (t, m) Threshold Shared Verification[J]. 武汉大学学报:自然科学英文版, 2007, 12(1): 91-94. DOI: 10.1007/s11859-006-0209-8
作者姓名:WANG Xiaoming CHEN Huoyan ZHANG Zhen
作者单位:College of Information and Technology, Jinan University,Guangzhou 510632, Guangdong, China
基金项目:Foundation item: Supported by the Natural Science Foundation of Guangdong Province (04300708)
摘    要:
A proxy multisignature scheme with (t, m) threshold shared verification is first proposed based on elliptic curve. In proposed scheme, a proxy signer can sign a message on behalf of n original signers for specific group of verifiers and only any t or more verifiers together in the specific group of verifiers are able to verify the validity of the proxy multisignature on behalf of the group of specific verifiers, but t-1 or fewer verifiers can not. Since the proposed scheme is constructed based on elliptic curve, it requires smaller bandwidth and achieves more secrecy of data transmission; it is more etffcient for signature and verification etc.

关 键 词:代理服务器 安全技术 加密技术 计算机
文章编号:1007-1202(2007)01-0091-04
收稿时间:2006-04-20

Proxy multisignature scheme with (t,m) threshold shared verification
Wang Xiaoming,Chen Huoyan,Zhang Zhen. Proxy multisignature scheme with (t,m) threshold shared verification[J]. Wuhan University Journal of Natural Sciences, 2007, 12(1): 91-94. DOI: 10.1007/s11859-006-0209-8
Authors:Wang Xiaoming  Chen Huoyan  Zhang Zhen
Affiliation:(1) College of Information and Technology, Jinan University, Guangzhou, 510632, Guangdong, China
Abstract:
A proxy multisignature scheme with (t, m) threshold shared verification is first proposed based on elliptic curve. In proposed scheme, a proxy signer can sign a message on behalf of n original signers for specific group of verifiers and only any t or more verifiers together in the specific group of verifiers are able to verify the validity of the proxy multisignature on behalf of the group of specific verifiers, but t-1 or fewer verifiers can not. Since the proposed scheme is constructed based on elliptic curve, it requires smaller bandwidth and achieves more secrecy of data transmission; it is more efficient for signature and verification etc.
Keywords:cryptography   proxy multisignature   threshold shared verification
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