An Efficient Revocable Identity-Based Encryption with Equality Test Scheme for the Wireless Body Area Network

Table 3

Comparisons of the proposed RIBEET with the existing RIBE and several IBEET.

Schemes	The cost of performing encryption	The cost of performing decryption	The cost of performing equality test	Supporting equality test of ciphertexts	Providing user revocation
RIBE [21]			—	No	Yes
	(8.7843 ms)	(7.8351 ms)
IBEET [6]				Yes	No
	(18.5178 ms)	(16.6194 ms)	(31.3404 ms)
IBEET [10]				Yes	No
	(17.5686 ms)	(16.1448 ms)	(16.6194 ms)
IBEET [11]				Yes	No
	(19.9416 ms)	(16.6194 ms)	(16.6194 ms)
Our RIBEET				Yes	Yes
	(18.0432 ms)	(16.6194 ms)	(31.3404 ms)