Cost-Effective Proxy Signcryption Scheme for Internet of Things

Table 6

Communication overhead comparisons for 1 kb ciphertext and warrant size.

Schemes	Proxy delegation	Proxy signcryption	Total
Insafullah et al. [19]
Abdelfatah [20]
Guo and Deng [21]
Waheed et al. [22]
Hundera et al. [23]
Proposed