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Table 3 Number of encryption/decryption during secure clustering and pairwise key establishment.

From: Secure Clustering and Symmetric Key Establishment in Heterogeneous Wireless Sensor Networks

Operation No. of computations
Secure clustering
ECDS generation, and broadcast
ECDS verification by
Encryption ,
Decryption by
Pairwise key establishment
ECDS and encryption by ,
ECDS verification and decryption by