A Novel Secure Scheme for Supporting Complex SQL Queries over Encrypted Databases in Cloud Computing

Table 1

Notation.

	the set of all input plaintexts
	a plaintext
	a ciphertext is comprised of two or more sub-ciphertexts
	i-th sub-ciphertext
	security parameter
	a secret key is comprised of a set of key components
	i-th key component
	a function for encryption
	a function for decryption
	a strictly increasing function over and
	a function over and
	the sensitivity of input values