Research Article
A Secure Certificateless Signature Scheme for Space-Based Internet of Things
Table 4
Comparison of CLS schemes for satellite-to-ground nodes.
| Scheme | Sign | Verify | Type | Security against | Security against | Signature size |
| Du’s et al. [34] | | | Without bilinear pairings | Super | Super | | Thumbur’s et al. [35] | | | Without bilinear pairings | Insecure | Super | | Xu’s et al. [36] | | | Without bilinear pairings | Super | Super | | Hassouna’s et al. [31] | | | With bilinear pairings | Insecure | Strong | | CSP | | | With bilinear pairings | Super | Super | |
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