An efficient authenticated key agreement protocol is proposed, which makesuse of bilinear pairings and self-certificd public keys. Its security is based on the securityassumptions of the bilinear Diff ie-Hellman probl...An efficient authenticated key agreement protocol is proposed, which makesuse of bilinear pairings and self-certificd public keys. Its security is based on the securityassumptions of the bilinear Diff ie-Hellman problem and the computational Diffie-Hellman problem.Users can choose their private keys independently. The public keys and identities of users can beverified implicitly when the session key being generating in a logically single step. A trusted KeyGeneration Center is no longer requiredas in the ID-based authenticated key agreement protocolsCompared with existing authenticated key agreement protocols from pairings, the. new proposedprotocol is more efficient and secure.展开更多
电子商务中的一些协议大多建立在可信第三方TTP(Trusted Third Party)的基础上,挂号电子邮件协议采用的离线TTP协议在某种程度上解决了TTP的瓶颈问题。但该协议存在某些缺陷,着重分析该缺陷造成的各个参与方的不公平性以及可能存在的攻...电子商务中的一些协议大多建立在可信第三方TTP(Trusted Third Party)的基础上,挂号电子邮件协议采用的离线TTP协议在某种程度上解决了TTP的瓶颈问题。但该协议存在某些缺陷,着重分析该缺陷造成的各个参与方的不公平性以及可能存在的攻击方法,并给出对应的解决方法和改进建议。展开更多
文摘An efficient authenticated key agreement protocol is proposed, which makesuse of bilinear pairings and self-certificd public keys. Its security is based on the securityassumptions of the bilinear Diff ie-Hellman problem and the computational Diffie-Hellman problem.Users can choose their private keys independently. The public keys and identities of users can beverified implicitly when the session key being generating in a logically single step. A trusted KeyGeneration Center is no longer requiredas in the ID-based authenticated key agreement protocolsCompared with existing authenticated key agreement protocols from pairings, the. new proposedprotocol is more efficient and secure.
