V-LDAA: A New Lattice-Based Direct Anonymous Attestation Scheme for VANETs System

Table 1

Notation.

Notation	Description
	Quotient ring
q	The moduli used in the commitment scheme
	A cyclotomic ring
d	The dimension of ring
	is drawn according to the distribution D
	The Galois group of over
	Galois group is generated by and
	The number of users
	Lowercase bold letters denote a vector of polynomials
	Capital bold letters denote a matrix whose entities are polynomials