Table 1.

Measurement of cryptographic operations.

$\mathit{Notation}$	Operations	Time (ms)
$T_b$	Bilinear pairing	4.5
$T_m$	Point scalar multiplication	0.6
$T_p$	Point adddition on ECC	0.047
$T_e$	Exponentiation	3.9
$T_{as-dec}$	Asymmetric decryption	0.61
$T_{s-enc}$	Symmetric encryption	0.51
$T_{s-dec}$	Symmetric decryption	0.55
$T_h$	Execution time of a general hash function	0.0001