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基于K.Shum方案,提出了一种不需要可信第三方的代理签名人身份保密的代理签名方案,并且新方案满足代理人可控制的性质,较原方案更加合理高效。分析表明,新方案满足匿名代理签名需要的安全性质。
Based on K.Shum scheme, this paper proposes a proxy signature scheme that does not require trusted third-party proxy signer’s identity secrecy, and the new scheme satisfies the controllable nature of the agent and is more reasonable and efficient than the original scheme. The analysis shows that the new scheme satisfies the security nature required by anonymous proxy signatures.