无证书的代理签名方案在保留基于身份的代理签名不需要证书的优点下，成功地解决了基于身份的代理签名方案中的密钥托管问题。
In order to eliminate the use of certificates in traditional proxy signature and the key-escrow problem in identity-based proxy signature, the notion of certificateless proxy signature was introduced.
当前的代理盲签名都是基于身份或证书的，需要可靠的第三方认证，而无证书公钥系统却克服了这种缺点。
The current proxy blind signature are based on the identity or certificate, needing reliable third-party authentication. Public key system without the certificate has to overcome this shortcoming.
分析了现有的基于身份的盲签名和代理签名，发现这些系统都需要无条件信任私钥产生中心(pkg)。
The current ID-based blind signatures and proxy signatures were analyzed in this paper. It was found that these systems need to trust a Private Key Generator (PKG) unconditionally.
最后，基于本文提出的门限代理签名方案，设计并开发了一个电子审稿系统，该系统在降低编辑部工作量的同时，也可防止他人冒充审稿人的身份进行审稿。
Last, based on the above scheme, an electronic review system is designed, which can reduce the workload of editors and avoid pretending to be the subeditor to copy edit.
最后，基于本文提出的门限代理签名方案，设计并开发了一个电子审稿系统，该系统在降低编辑部工作量的同时，也可防止他人冒充审稿人的身份进行审稿。
Last, based on the above scheme, an electronic review system is designed, which can reduce the workload of editors and avoid pretending to be the subeditor to copy edit.
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