Attribute-Based Fully Homomorphic Encryption Scheme from Lattices with Short Ciphertext

Table 1

Notation.

Symbols	Definitions
	An integer set of mod q residue class
	A lattice
	An matrix
	An -dimensional column vector
	The transpose of vector
	-norm length of the longest column of
	The maximal Gram-Schmidt length of
	The maximal singular value of
	A polynomial function of n
	A negligible function of n
,
,