Research Article

Twin-Schnorr: A Security Upgrade for the Schnorr Identity-Based Identification Scheme

Table 3

Comparison of the identification protocol of Twin-Schnorr-IBI and OKDL-IBI after precomputation.

SchemeEMGMZCommunication costs

OKDL-IBI6423 + 3
Twin-Schnorr-IBI6422 + 3

E: exponentiation, MG: multiplication in , MZ: multiplication in , : element in , and : element in .