Title	Hybrid Homomorphic Cryptosystem for Secure Transfer of Color Image on Public Cloud
Author	Haider M. Al-Mashhadi and Ala'a A. Khalf
Citation	Vol. 18  No. 3  pp. 48-55
Keywords	Cloud Computing El-Gamal cryptosystem Homomorphic Encryption Cryptosystem Enhanced Homomorphic Cryptosystem Cryptography.

Title	Color and gray images encryption algorithm using chaotic systems of different dimensions
Author	S. N. Lagmiri, N. Elalami, J. Elalami
Citation	Vol. 18  No. 1  pp. 79-86
Keywords	Chaotic / hyperchaotic systems, Histogram, Image encryption, Decryption, Correlation.

Title	SDACQ: Secure Data Aggregation for Coexisting Queries in Wireless Sensor Networks
Author	E G Prathima, Venugopal K R, S S Iyengar and L M Patnaik
Citation	Vol. 17  No. 4  pp. 205-214
Keywords	Coexisting queries, Data Aggregation, Homomorphic encryption, Sink authentication WSN.

Title	The Affect of Genetic Algorithms on Blowfish Symmetric Algorithm
Author	Yousef Bani Awwad, Mohammad Shkoukani
Citation	Vol. 17  No. 3  pp. 65-72
Keywords	Cryptography, Blowfish, Genetic Algorithms, Encryption, Decryption.