Cryptanalysis of an Untraceable Temporal-Credential-Based Two-Factor Authentication Scheme Using ECC for Wireless Sensor Networks

摘要

Authentication and key agreement scheme is an important mechanism for legal users to access the services of wireless sensor network. However, the design of authentication and key agreement schemes in WSNs is still quite a challenging problem. In this paper, we analyze an untraceable temporal-credential-based two-factor authentication scheme using ECC for WSNs proposed by Jiang et al. in 2016, and point out the scheme can not resist malicious user impersonation attack, sensor node capture attack and suffer from forward security problem, low efficiency problem, no password change phase problem and time synchronization problem.