Security and Communication Networks

Research Article

A Secure Certificateless Signature Scheme for Space-Based Internet of Things

Table 4

Comparison of CLS schemes for satellite-to-ground nodes.
SchemeSignVerifyTypeSecurity against Security against Signature size
Du’s et al. [34]Without bilinear pairingsSuperSuper
Thumbur’s et al. [35]Without bilinear pairingsInsecureSuper
Xu’s et al. [36]Without bilinear pairingsSuperSuper
Hassouna’s et al. [31]With bilinear pairingsInsecureStrong
CSPWith bilinear pairingsSuperSuper