Towards Smart Healthcare: Patient Data Privacy and Security in Sensor-Cloud Infrastructure

Table 17

Summary of Performance Metrics.

Techniques	Performance Metrics
Multibiometric Key Generation [37]	(1) Entropy
Pairwise Key Establishment [40, 43]	(1) Encryption and decryption measured through Pairing-based Key generation = Pair (ADK), Ex (Share Key); (2) Probability compromise for data sink = Prob (α), Probability compromise for body sensors = Prob (γ)
Hash Function [47]	(1) Data transfer rate at quality factor= 0.1
Attribute-based Encryption [2, 11, 38, 39, 41–43, 43, 44, 48, 51]	(1) Computational complexity = O(), Time Complexity = O(); (2) Computation cost = O(n), O(m); (3) Sensor Data encryption = 5T0 = ,, Data decryption = , Key generation = 3T0+; (4) Key generation complexity = O(n), Encryption complexity = O(1) mod,
Chaotic Maps [49]	(1) = Time of execution per hash function, = Time of execution for signature, = Time of symmetric encryption/decryption
Hybrid Encryption [50]	(1) Key generation = 3T0+, Data decryption = ,
2014 Multivalued encryption [20]	(1) Coverage time= CTFBT ≥ 1 τ 1−τ ðÞ N−1