Encryption and Decryption of Textual Data with Symmetric Key Cryptography and Improved Des Method Based on Irrational Number

Jai Singh, Firoz Alam, Kamil Hasan

Abstract


In this paper we encrypt textual data with symmetric key cryptography based on irrational numbers, an improved scheme that enhances the randomness of sub-Key is proposed, in which the permutation is controlled by irrational number.

Keywords


Symmetric Key; Cryptography; Encryption; Decryption; Private Key; Ciphertext;

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Copyright (c) 2015 Jai Singh, Firoz Alam, Kamil Hasan

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