A survey of image hashing technique for data authentication in WMSNs

Wireless Multimedia Sensor Networks (WMSNs) are commonly used for communicating sensitive data which help in many important decision makings, so that it is crucial to ensure the received data are not manipulated in transit and originated from the correct source. In the security perspective, however, the characteristics of WMSNs and the nature of multimedia make data authentication schemes more complex, especially for data integrity. In this regard, the aim of this paper is to investigate the feasibility of content-based authentication using image hashing technique as an alternative data authentication scheme in WMSNs. To assess the feasibility, the general requirements for image authentication in WMSNs are discussed in this paper. Additionally, the performance of five selected image hashing algorithms is measured with respect to robustness, sensitivity, and security. By comparing and analyzing the performance of the selected algorithms, this paper provides a perspective on the potential feasibility and limitations as an alternative to the traditional authentication scheme in WMSNs.