首先叙述了基于身份的加密定义和安全模型;然后总结了基于身份的加密的研究现状,并分析了几个典型的基于身份的加密方案;最后指出了基于身份的加密存在的问题和进一步的研究方向。
First of all,this paper described the definition and the security model of the identity-based encryption. Secondly, summarized current research achievements on the identity-based encryption, and analyzed several typical identity-based encryption schemes. Finally, pointed out the existing problems and the future research directions of the identity-based encryption.