【摘要】 智能卡以方便性和可靠性被广泛的使用。本文首先介绍了基于智能卡的双向认证协议,经过分析发现,现有的协议不能保证密钥的前向安全性和智能卡的伪造攻击,存在很大的不安全性。我们通过引进新的密钥交换算法来解决前向安全性,通过在硬件中嵌入单项函数来防止智能卡的伪造等中间人攻击。并对改进后的协议进行安全性分析,证明了协议的安全可行性。更多还原

【Abstract】 Smart Card is used widely as its convenience and reliability. This paper introduces the mutual authentication based smartcard. By analyzing the protocol, we find it is lack of the forward security and it can’t resist the forgery of the smart card. We ensure the forward security by using improved key agreement algorithm. With the One-Way function f( ) in hardware settles the problems of smart card-forge and the-middle-people attacks. At last, this paper analysis the security of the improved protocol and improves its feasibility.更多还原