Table 2.

Execution time of various cryptographic operations.

Notations	Descriptions	Execution time (s)
T k g en	Key generation time	0.219
T enc	ECC encryption time	0.3057
T dec	ECC decryption time	0.015
T kgen1	ECCDSA key generation time	0.466
T si g g en	Time for generating the signature	0.0009
T si g v erify	Time for verifying the signature	0.0053
T M	Time for performing multiplication.	0.0053 s
T H	Time for calculating one-way hash function	0.0005 s
T S	Time for calculating symmetric encryption/decryption time	0.0087 s