一种新型的代理签名方案
A New Proxy Signature Scheme
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摘要: 可识别性是一般代理签名方案的一个特点,即验证者能够从代理签名中确定代理者的身份.在一些特殊的应用中,原始签名者希望在代理签名中隐藏代理签名者身份,验证者无法从代理签名中识别代理者身份,在出现争议时,验证者能通过原始签名者揭示代理者的身份,该文提出的方案能满足这种需求.Abstract: Identifiability is one of several security requirements of general proxy signature schemes, i.e. a verifier can determine the identity of the corresponding proxy signer from a proxy signature. In special application, the original signer wants to conceal the identity of the corresponding proxy signer in the proxy signature. The verifier can not recognize the identity of the proxy signer from the proxy signature. In the case of a later dispute, the verifier can reveal the real identity of the proxy signer with the help of the original signer from the proxy signature. In the paper, a new proxy signature scheme should satisfy this requirement.
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Mambo M, Usuda K, Okamoto E. Proxy signature: delegation of the power to sign messages. EICE Trans. Fundamentals, 1996,E79-A:9: 1338- 1353.[2]Lee B, Kim H, Kim K. Strong proxy signature and its applications. International Conference on Information and Communication Security, Proc. of SCIS, Japan, 2001:603 - 608.[3]Lee B, Kim H, Kim K. Secure mobile agent using strong non-designated proxy signature Proc. ACISP, Spring-Verlag,2001, LNCS 1334:474 - 486.[4]Shum K, Wei Victor K. A strong proxy signature scheme with proxy signer privacy protection. http:∥www. computer. org/proceedings/wetice/1748/17480055.pdf, 2002.[5]Kim S.[J].Park S, Won D. Proxy signature, revisited, International Conference on Information and Communication Security, Proc of ICICS 97, Berlin, Springer.1997,:- -
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