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.
最近崔巍等人提出了一个高效的基于身份的部分盲签名方案（崔-辛方案）。
Recently, an efficient identity-based partially blind signature scheme was put forward by Cui and Xin et al.
在已有的基于身份部分盲签名的基础上，提出了一种改进的基于身份的部分盲签名方案。
An improved ID-based partially blind signature is proposed on the basis of the existing ones.
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.
最后将所提方案与现有方案进行了性能比较，比较结果显示所提方案是一个效率较高的基于身份的部分盲签名方案。
Compared with the existing schemes, the results show that the proposed scheme is an efficient identity-based partially blind signature scheme.
在此方案基础上提出了一个高效的基于身份的受限部分盲签名体制，证明了该方案的正确性、不可伪造性、限制性和部分盲性。
Based on the scheme mentioned above, a restrictive partially blind signature is proposed and proved to be efficient, correct, unforgeable, as well as restrictive and partially blind.
在此方案基础上提出了一个高效的基于身份的受限部分盲签名体制，证明了该方案的正确性、不可伪造性、限制性和部分盲性。
Based on the scheme mentioned above, a restrictive partially blind signature is proposed and proved to be efficient, correct, unforgeable, as well as restrictive and partially blind.
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