International Journal of Computer Network and Information Security(IJCNIS)

ISSN: 2074-9090 (Print), ISSN: 2074-9104 (Online)

Published By: MECS Press

IJCNIS Vol.9, No.4, Apr. 2017

New Symmetric Cipher Fast Algorithm of Revertible Operations' Queen (FAROQ) Cipher

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Omar A. Dawood, Abdul Monem S. Rahma, Abdul Mohssen J. Abdul Hossen

Index Terms

Block Cipher;Symmetric Cipher;Advance Encryption Standard (AES);Substitution and Permutation Network (SPN);Feistel Structure (FS)


In this paper, we have proposed a new iterated symmetric cipher, which is designed with Substitution and Permutation Network (SPN) structure and depends on strong mathematical built. It uses a compact algorithm for encryption and decryption processes, which consists of four main stages that roughly similar in its work to the Advance Encryption Standard (AES) stages. Starting by the SubByte operation, ReversibleShiftrows operation, ReversibleMixcolumns operation, and Round key addition. The proposed operations in this cipher have implemented in a straightforward manner relatively in both Encryption/Decryption by an elegant way. These four stages designed to reduce the hardware requirements and to produces high efficiency, which keeps the encryption and decryption process at the same speed in the hardware devices and eliminates the difference of execution times as well as creates a balance in forward and backward operations. The proposed cipher interested with modern design by adopted new algebraic operations and clear mathematical notations to ensure a high level of security. The proposed cipher did not build suddenly or arbitrarily but it acts as a sequence of developments and represents as a long process of design for long time, since several proposed ciphers have been published recently by us that paved the way to its new design, so the designed cipher inherited a good properties from a proven famous algorithms' features to produce high resistance against all known attacks and to submit a high performance on many platforms and in a wide range of hardware and software applications.

Cite This Paper

Omar A. Dawood, Abdul Monem S. Rahma, Abdul Mohssen J. Abdul Hossen,"New Symmetric Cipher Fast Algorithm of Revertible Operations' Queen (FAROQ) Cipher", International Journal of Computer Network and Information Security(IJCNIS), Vol.9, No.4, pp.29-36, 2017.DOI: 10.5815/ijcnis.2017.04.04


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