[Retracted] Identity-Based Designated-Verifier Proxy Signature Scheme with Information Recovery in Telemedicine System

Table 2

Comparison of efficiency of different schemes.

Scheme	Computing cost	Signature length
Literature [21]	(17.97 ms)
Literature [15]	(18.63 ms)
Literature [18]	(17.67 ms)
IDEMR-DVPS	(17.97 ms)