Research Article

A New Signature Scheme Based on Multiple Hard Number Theoretic Problems

Table 2

Time complexity in unit of 𝑇 M U L for our scheme.

ItemsTime complexityComplexity in 𝑇 M U L

Key generation 𝑇 E X P + 𝑇 I N V 2 4 0 𝑇 M U L + 𝑇 I N V
Signature generation 3 𝑇 E X P + 3 𝑇 M U L + 2 𝑇 S R T + 𝑇 H A S 9 6 3 𝑇 M U L + 2 𝑇 S R T + 𝑇 H A S
Signature verification 4 𝑇 E X P + 2 𝑇 M U L + 𝑇 H A S 9 6 2 𝑇 M U L + 𝑇 H A S