A Scheme for Anonymous Authentication and Privacy Protection in the Internet of Things Environment

doi:10.3969/j.issn.1671-1122.2018.11.001

Abstract

Abstract:

Network security is a key issue in the research and application of Internet of Things, while authentication and privacy are primary issues in the network security research. To solve the anonymous authentication and privacy protection problems at the same time in the applications of Internet of Things with limited node resources, this paper proposes an anonymous authentication and privacy protection scheme for low bandwidth Internet of Things environment. The scheme uses ring signcryption to achieve the message encryption and anonymous authentication of signer’s identity on basis of existing message encryption and identity authentication research. This paper proves formally the correctness, anonymity, verifiability of the signer’s identity and unforgeability of the signature of the scheme in the random oracle model.

Key words: Internet of Things, network security, anonymous authentication, privacy protection

CLC Number:

TP309

Na ZHAO, Hui LONG, Jinshu SU. A Scheme for Anonymous Authentication and Privacy Protection in the Internet of Things Environment[J]. Netinfo Security, 2018, 18(11): 1-7.

Figures/Tables 6

References 20

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符号	含义
Z_q	所有小于q的正整数集合
Z^*_q	模为q的整数乘法群
x∈_RX	从X中任取一个元素x
{0,1}^*	任意长的字符串
{0,1}^l	长度为l的字符串
G₁	阶为q的加法群,q为大素数,生成元为g
G₂	阶为q的乘法群,q≥2^k,k为本文方案的安全系数

哈希函数	映射关系
H₁	{0,1}^→G^₁
H₂	G₂→{0,1}^l
H₃	{0,1}^l→{0,1}^l
H₄	{0,1}^*→{0,1}^l
H₅	{0,1}^→Z^_q