Privacy-Preserving Sorting Algorithms Based on Logistic Map for Clouds

Table 1

Notation descriptions.

Notations	Descriptions
	The bifurcation parameter of the logistic map function.
	The iteration number of the logistic map function.
	The constraint factor where
	The logistic mapping function.
	A plaintext data item of DO.
	The key of a symmetric encryption which is only owned by DO.
	The encryption function where x is the input plaintext data and k is a key.
	A secure data pair after data preprocessing on , , where and are the corresponding encrypted data and logistic mapping codes of .