Blockchain-Assisted Distributed Fog Computing Control Flow Attestation

Table 2

Description of the notation.

Notations	Description
p, q	Large prime numbers
GF(p)	A finite field over prime p
Ep(a, b)	An elliptic curve over GF(p)
G	An additive cyclic group of points on the elliptic curves with prime order q
P	A generator of G
k·P	Multiplication of elliptic curves, k·P = P + P + ··· + P (k times), where k ∈  and P ∈ Ep(a, b)
	A finite additive group of nonzero integers modulo q
Zp	A finite additive group of integers modulo p
||,⊕	Data concatenation and bitwise XOR operations
H1, H2, H3	Secure hash function
IDv, IDp	Unique identities of the fog verifier and prover
PKi	The public key of i
SKi	The private key of i
Comp (M, N)	Compare if M and N are the same