一種新型的代理簽名方案
A New Proxy Signature Scheme
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摘要: 可識別性是一般代理簽名方案的一個特點,即驗證者能夠從代理簽名中確定代理者的身份.在一些特殊的應(yīng)用中,原始簽名者希望在代理簽名中隱藏代理簽名者身份,驗證者無法從代理簽名中識別代理者身份,在出現(xiàn)爭議時,驗證者能通過原始簽名者揭示代理者的身份,該文提出的方案能滿足這種需求.
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關(guān)鍵詞:
- 代理簽名; 可識別性; 匿名性; 可跟蹤性
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. -
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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