Title	Performance Evaluation of Symmetric Encryption Algorithms
Author	Diaa Salama Abdul. Elminaam, Hatem Mohamed Abdul Kader, Mohie Mohamed Hadhoud
Citation	Vol. 8  No. 12  pp. 280-286
Keywords	Encryption techniques, Computer security, AES, DES, RC2, 3DES, Blowfish, RC6

Title	Shape Representation and Retrieval Using Radial Basis Probabilistic Neural Networks
Author	Zyad Shaaban, Thawar Arif
Citation	Vol. 8  No. 12  pp. 271-279
Keywords	Shape retrieval, distance transformation, neural networks, image contour, moment invariants

Title	The Effect of First Pre-Amplifier Gain to the BER Performance in Restored Metro Ring Network
Author	Mohammad Syuhaimi Ab-Rahman
Citation	Vol. 8  No. 12  pp. 267-270
Keywords	EDFA, gain, first amplifier, BER, ring network, restoration

Title	The Proposal of OCDMA Encoder Based on Optical Cross Add and Drop Multiplexer (OXADM) - Device Characteristic
Author	Mohammad Syuhaimi Ab-Rahman, Muhd Fauzi Aminuddin Shazi Shaarani
Citation	Vol. 8  No. 12  pp. 259-266
Keywords	OXADM, OCDMA, encoder, characteristics, crosstalk, return loss, OSNR