Smart Contract-Based Cross-Domain Authentication and Key Agreement System for Heterogeneous Wireless Networks

Table 9

Computation cost of cryptographic operation.

Cryptographic operation	Time cost (ms)
Signature (ECDSA)	0.04418
Verification (ECDSA)	0.08782
Symmetric encryption/decryption (AES)	0.001207/0.001528
Asymmetric encryption/decryption (ECIES)	1.05103/0.843882
Hash (SHA256)	0.000900
ECDH	0.05408
Key pair generation	0.017789