Certificateless public key cryptography resolves the key escrow problem and public key authentication problem.

无证书公钥密码体制解决了密钥托管问题和公钥认证问题。

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Based on the merits of the Certificateless Public Key Cryptography and combine the proxy signature, we give a proxy signature schemes and its' secure is also based on the DLP.

在结合无证书密码体制的优点与代理签名的有关知识时，本文还给出了一种代理签名的无证书数字签名。

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