ParEncrypt: A Two-phased Encryption for Improved Security

Year 2019, Volume: 6 , 81 - 87, 25.07.2019

Haneya Khan Asim Sıddıquı Fariha Islam Elham Hamıd Ebru Celıkel Cankaya

Abstract

The
idea of encrypting text is alluring still as it is the most convenient and
straightforward means to shuffle text so as to make it unintelligible to
unintended third parties. We design and develop a novel symmetric encryption
algorithm ParEncrypt that implements a cascaded structure of known encryption
approaches: It first employs Feistel cipher to scramble the plaintext, then
applies a further step of substitution implemented via left and right
parentheses into the intermediate output to finalize the encryption. This two-phased
encryption provides enhanced security with the cost of slower paced
performance. We provide performance comparison of our design with common
benchmark encryption algorithms and see that ParEncrypt outperforms all others
with respect to the level of security. Additionally, our scheme offers an
additional benefit as our special way of encryption provides a significant
level of compression.

Keywords

Encryption , Lossless compression , Data security

References

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