基于数字签名的轻量级RFID认证协议

RFID系统的安全和隐私问题已成为阻碍其进一步扩展的瓶颈。针对低代价标签提出了一种基于签名方案的轻量级RFID认证协议,它利用数字签名技术和RFID认证技术的恰当结合,成功实现了RFID系统的轻量级认证机制。性能评估表明新协议除了具有主要的安全隐私性能属性之外,还能够抵抗多种典型的恶意攻击和威胁,其安全性依赖于在有限域上求解离散对数问题的困难性和伪随机数生成器的安全性。新协议将公钥密码技术中代价较高的运算置于服务器端,确保了标签端运算的轻量性,促进了公钥密码技术在RFID系统中的进一步实施。

Lightweight RFID Authentication Protocol Based on Digital Signature

The issues of security and privacy in RFID systems become the handicap to the development of RFID technology and the bottle neck of their further pervasive usage.A lightweight RFID authentication protocol based on digital signature was proposed,which combines digital signature technology and RFID authentication technology properly to implement the lightweight authentication mechanism of RFID systems successfully.Performance evaluation shows that this protocol not only has main security and privacy properties,but also can resist a variety of typical malicious attacks and threats.The security of this protocol is based on the assumption of difficulty in solving the discrete logarithm hard problem in the finite field and the security of pseudo random number generator.The protocol puts the higher cost operations of public key cryptography over the server end,which ensures the lightweight operation of the tag end and promotes the further application of public key cryptography in RFID systems.