A Novel Blockchain Identity Authentication Scheme Implemented in Fog Computing

Table 1

Scheme efficiency and safety comparison.

Program	Signature efficiency	Verification efficiency	Forgery attack	Transaction information
SM9			Satisfy	25 KB
CPKC [3]			Satisfy	15 KB
CSS [13]			Satisfy	20 KB
2-Adic ring arithmetic authentication scheme			Satisfy	5 KB-10 KB