Proposal of a New Block Cipher reasonably Non-Vulnerable against Cryptanalytic Attacks
This paper proposes a new block cipher termed as "Modular Arithmetic based Block Cipher with Varying Key-Spaces (MABCVK)" that uses private key-spaces of varying lengths to encrypt data files. There is a simple but intelligent use of theory of modular arithmetic in the scheme of the cipher. Based on observed implementation of the proposed cipher on a set of real data files of several types, all results are tabulated and analyzed. The schematic strength of the cipher and the freedom of using a long key-space expectedly can make it reasonably non-vulnerable against possible cryptanalytic attacks. As a part of the future scope of the work, it is also intended to formulate and implement an enhanced scheme that will use a carrier image to have a secure transmission of the private key.
Keywords: Cryptography, Modular Arithmetic, Carrier Image, Data Security
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ABOUT THE AUTHORS
Abhijit Chowdhury
Abhijit Chowdhury, MCA, Assistant Professor, Department of Computer Applications – NSHM College of Management & Technology, Durgapur, West Bengal, INDIA. Member of IAENG (International Association of Engineers, http://www.iaeng.org). Research Area of interest is cryptography, network security.
Angshu Kumar Sinha
Angshu Kumar Sinha, M.Sc.-Mathematics, Department of Computer Applications – NSHM College of Management & Technology, Durgapur, West Bengal, INDIA.
Saurabh Dutta
Dr. Saurabh Dutta, Ph.D. (Computer Science), Dr. B. C. Roy Engineering College, Durgapur-713206, West Bengal, INDIA.
Abhijit Chowdhury
Abhijit Chowdhury, MCA, Assistant Professor, Department of Computer Applications – NSHM College of Management & Technology, Durgapur, West Bengal, INDIA. Member of IAENG (International Association of Engineers, http://www.iaeng.org). Research Area of interest is cryptography, network security.
Angshu Kumar Sinha
Angshu Kumar Sinha, M.Sc.-Mathematics, Department of Computer Applications – NSHM College of Management & Technology, Durgapur, West Bengal, INDIA.
Saurabh Dutta
Dr. Saurabh Dutta, Ph.D. (Computer Science), Dr. B. C. Roy Engineering College, Durgapur-713206, West Bengal, INDIA.
