该文应用双线性对提出一个基于身份的代理签密方案。
This paper proposes an identity-based proxy signcryption scheme from bilinear pairings.
给出了三种攻击并指出于刚等人提出的前向安全的基于身份的代理签密方案是不安全的。
Three attacks on Yu Gang et al's scheme to show that their forward secure proxy-signcryption scheme based on identity is insecure.
改进的门限代理签密协议利用接收方公钥而不是私钥来验证签密结果,其验证过程能向第三方公开。
Improved threshold proxy signcryption protocol utilize receiptor's public key but not private key to verify signcryption's result. The verification procedure can be publicly shown to the third party.
安全分析结果表明,与L - L - C - Z门限代理签密协议相比,该改进门限代理签密协议能够承受接收方公钥替换攻击。
Security analysis results show that compared with L-L-C-Z threshold proxy signcryption protocol, the improved threshold proxy signcryption protocol can withstand the public key substitution attack.
安全分析结果表明,与L - L - C - Z门限代理签密协议相比,该改进门限代理签密协议能够承受接收方公钥替换攻击。
Security analysis results show that compared with L-L-C-Z threshold proxy signcryption protocol, the improved threshold proxy signcryption protocol can withstand the public key substitution attack.
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