摘要
利用双线性对提出一种基于身份的多接收者的签密方案,为同时有多名接收者的签密问题提供了解决途径。该方案既保持了基于身份加密的优点,又具有可公开验证性,且安全性好。该方案具有很高的执行效率,签密过程只需一次双线性对运算,接收者人数越多,其效率的优势会越加明显。
Based on the identity-based signcryption,this paper proposed a multi - receiver identity- based signcryption scheme, in which some good characteristics of bilinear pairing are used. The new scheme offers a good solution to the problem of signcryption with a lot of multi- receiver. Additionally, this scheme which can achieve confidentiality, public verification and high security. Only one pairing computation is needed in it to signcrypt a single message for all receivers.As a result, the efficiency gain of the new scheme is huge especiaily when there are a large number of recipients.
出处
《计算机安全》
2009年第6期27-29,共3页
Network & Computer Security
关键词
签密
基于身份签密
多接收者
signcryption
identity-based signcryption
multi--receiver
