International Journal of Computer Network and Information Security (IJCNIS)
IJCNIS Vol. 4, No. 11, 8 Oct. 2012
Cover page and Table of Contents: PDF (size: 469KB)
A New 512 Bit Cipher for Secure Communication
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Author(s)
M. Anand Kumar
1,*
S.Karthikeyan
2
Index Terms
Cryptography, Encryption, Cipher, Decryption, 512 bit Block and SP Network
Abstract
The internet today is being used by millions of users for a large variety of commercial and non commercial purposes. It is controlled by different entities. It is mainly used as an efficient means for communication, entertainment and education. With the rapid growth of internet, there is a need for protecting confidential data. The Internet was however originally designed for research and educational purpose, not for commercial applications.So internet was not designed with security in mind. As the internet grows the existing security framework was not adequate for modern day applications. Cryptography play a vital role in providing security.Lot of research is going on block cipher algorithms. In this paper we present a new 512 bit block cipher named SF Block cipher. The proposed cipher is developed based on design principle known as Substitution permutation network (SP Network). The algorithm is implemented in .NET Framework and MATLAB. Cryptanalysis is carried out in the encrypted file. It was found that the encrypted file with this algorithm is difficult to break.Simulation results shows that the proposed Block cipher has better performance over other algorithms such as AES and Blowfish
Cite This Paper
M. Anand Kumar, S.Karthikeyan, "A New 512 Bit Cipher for Secure Communication", International Journal of Computer Network and Information Security(IJCNIS), vol.4, no.11, pp.55-61, 2012. DOI:10.5815/ijcnis.2012.11.07
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