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.

youdao

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.

youdao