状态绑定的安全协议消息块设计方法

Design Approach for Message Blocks of Security Protocol by Using State Binding

研究抗攻击的安全协议设计方法是安全专家一直努力的方向,而安全协议中利用密码机制形成的消息块本身结构的构造,对于安全协议的抗攻击性起着非常重要的作用.本文在重放攻击层次基础上,通过提炼安全协议为避免各种攻击应具备的状态参数,提出了一种基于状态绑定的安全协议消息块设计方法.该方法针对安全协议各个层次可能存在的缺陷,通过状态绑定来解决这些缺陷,可极大限度地提高安全协议抗攻击的能力.

It has always been the aim of specialists to study the design approach for attack-resistant security protocols. The construction of the message block formed by means of the cryptographic scheme is very important for security protocol to resist various attacks. On the basis of the hierarchy of replay attacks, the state parameters necessary for security protocol to avoid various attacks are analyzed, and then, a building approach for the message blocks of attack-resistant security protocols is proposed based on the state-binding. Aiming at possible flaws at various attack levels, this approach can solve them by state-binding, and thus the attack-resistant ability of the security protocols is enhanced to large extent.