Quist-Aphetsi Kester

A Hybrid Cryptosystem Based On Vigenere Cipher and Columnar Transposition Cipher pdf

Quist-Aphetsi Kester, Quist-Aphetsi Kester, 2013, ArXiv.

A cryptosystem based on Vigenère cipher with varying key

Quist-Aphetsi Kester, Q. Kester, Quist-Aphetsi Kester, 2012 .

Integration of Independent Applications and EAI Systems using Service Oriented Enterprise Bus and Open System Application Development Standards

Quist-Aphetsi Kester, M KoumadiKoudjo, Nii Narku Quaynor, 2013 .

Using Web Services Standards for Dealing with Complexities of Multiple Incompatible Applications

Quist-Aphetsi Kester, Ajibade Ibrahim Kayode, Ghartey Nana Gyankumah, 2012 .

A Cryptographic Technique for Security of Medical Images in Health Information Systems

Laurent Nana, Quist-Aphetsi Kester, Nii Narku Quaynor, 2015 .