Title	Enhancement of Security through an Efficient Substitution-based Block Cipher of Bit-level Implementation with Possible Lossless Compression
Author	Pranam Paul, Saurabh Dutta, A K Bhattacharjee
Citation	Vol. 8  No. 4  pp. 318-326
Keywords	cryptography, encryption, decryption, cipher, private key, symmetric key, plain text, cryptographic modeling

Title	Applying Agent Technology to Facilitate Knowledge Sharing Among Bioinformatics Communities of Practice
Author	Rusli Abdullah, Hamidah Ibrahim, Rodziah Atan, Suhaimi Napis, Azmi Jaafar, Mohd Hasan Selamat, Nurul Haslina Hairudin, Siti Hernazura Hamidon, Md Jamil
Citation	Vol. 8  No. 4  pp. 310-317
Keywords	Agent Technology, Knowledge Management System, Bioinformatics, Communities of Practise and Lotus Notes

Title	An Optimized Implementation of the S-Box using Residues of Prime Numbers
Author	Eltayeb Salih Abuelyman, Abdul-Aziz Sultan Alsehibani
Citation	Vol. 8  No. 4  pp. 304-309
Keywords	Modulo Arithmetic, Mathematical Field, VHDL, Hardware Implementation, S-Box Confusion and Diffusion

Title	A New Approach to Enhance E-mail Performance Through SMTP Protocol
Author	Hussein A.Al bazar, Sureswaran Ramadass, OmarAbuabdalla
Citation	Vol. 8  No. 4  pp. 299-303
Keywords	E-Mail Server, SMTP, Latency, Client/Server