ENHANCING THE DATA SECURITY OF SIMPLE COLUMNAR TRANSPOSITION CIPHER BY CAESAR CIPHER AND RAIL FENCE CIPHER TECHNIQUE.
Journal Title: International Journal of Computer Science & Engineering Technology - Year 2014, Vol 5, Issue 11
Abstract
Cryptography is an art and science of converting original message into no readable form. There are two techniques for converting data into no readable form. Transposition technique ,Substitution technique. In recent years there is drastic progress in Internet world. Sensitive information can be shared through internet but this information sharing is susceptible to certain attacks. Cryptography was introduced to solve this problem. Cryptography is art for achieving security by encoding the plain text message to cipher text. Substitution and transposition are techniques for encoding. When Caesar cipher substitution, Rail fence cipher and Columnar Transposition Cipher techniques are used individually, cipher text obtained is easy to crack. This talk will present a perspective on combination of techniques substitution and transposition. Combining Caesar cipher and rail fence with Columnar Transposition Cipher can eliminate their fundamental weakness and produce a cipher text that is hard to crack. In this paper I am going to design a new algorithm that enhance the security of Simple Columnar Transposition Cipher using existing technique of rail fence and Caesar cipher.
Authors and Affiliations
Jawad Ahmad Dar
Keywords
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