Proposal of a New Block Cipher reasonably Non-Vulnerable against Cryptanalytic Attacks

Details Proposal of a New Block Cipher reasonably Non-Vulnerable against Cryptanalytic Attacks Proposal of a New Block Cipher reasonably Non-Vulnerable against Cryptanalytic Attacks

2012-03-16

arxiv.org/abs/1203.6036v1

IJCSI International Journal of Computer Science Issues, Vol. 9, Issue 1, No 1, January 2012

Computer Science

Cryptography and Security

Scientific paper

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 nonvulnerable 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.

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