Lightweight Anonymous Authentication for Ad Hoc Group: A Ring Signature Approach

Lightweight Anonymous Authentication for Ad Hoc Group: A Ring Signature Approach
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Ad Hoc 组的轻量级匿名身份验证:环签名方法

DOI:
10.1007/978-3-319-26059-4_12
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发表时间:
2015-11
期刊:
Lecture Notes in Computer Science
影响因子:
--
通讯作者:
Xiaofeng Chen
Xiaofeng Chen
中科院分区:
其他
文献类型:
--
作者:
Xu Yang;伍玮;Joseph K. Liu;Xiaofeng Chen

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匿名认证协议允许系统匿名地认证用户。也就是说,系统知道请求者有资格访问,但不知道他/她的实际身份。匿名认证在许多隐私保护应用中非常有用,例如无线传感器网络和漫游。然而,大多数匿名认证协议都不是轻量级的。它们都需要大量的求幂或配对,而这些都是轻量级设备(如传感器或RFID)无法执行的。本文提出了一个轻量级的Ad Hoc匿名认证协议。我们的协议只包含轻量级的计算,如散列或模平方,但不包括证明方和验证方的指数或配对。我们的机制的核心原语是一个轻量级的环签名方案。在随机预言机模型下,我们的方案的安全性可以归结为经典的整数分解假设。
Anonymous authentication protocol allows the system to authenticate a user anonymously. That is, the system knows that the requester is eligible to access, yet does not know his/her actual identity. Anonymous authentication is useful in many privacy-preserving applications such as wireless sensor networks and roaming. However, most of the anonymous authentication protocols are not lightweight. They all require a number of exponentiations or pairings which cannot be executed by lightweight devices such as sensors or RFID. In this paper, we propose a lightweight anonymous authentication protocol forAd Hocgroup. Our protocol contains only lightweight calculations such as hashing or modulus square butnotexponentiation or pairing in both prover and verifier sides. The core primitive of our mechanism is a lightweight ring signature scheme. The security of our scheme can be reduced to the classic integer factorization assumption in the random oracle model.
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