Genuine and Secure Identity-Based Public Audit for the Stored Data in Healthcare Cloud

Table 1

Notations in our ID-DIAP system.

Symbol	Meaning
K	A security parameter
H0, H1, H2	Three hash functions
S	The master key of the PKG
T	A random generator of group G1
Prf	The proof information
Chall	The challenge information
Q	A large prime number
GT	A multiplicative group with the order q
G1	An additive group with the order q
E	A bilinear pairing
	The number of elements in set I