A Chaos Based Approach for Improving Non Linearity in S Box Design of Symmetric Key Cryptosystems

Chandrasekaran, Jeyamala; Subramanyan, B.; Selvanayagam, Raman

doi:10.1007/978-3-642-17878-8_52

Cited by 6 publications

(3 citation statements)

References 4 publications

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“…On the other hand, in cryptography, substitution boxes are a basic component in symmetric algorithms. The boxes are used in cipher blocks to exchange the plaintext and in this way hide the relationship between the encryption key and the encrypted text [9].…”

Section: S-boxmentioning

confidence: 99%

Image Encryption System Based on Cellular Automata and S-Box

Contreras¹,

Ramírez²,

Aboytes³

2019

RCS

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This investigation presents an image encryption system and its security analysis, it is based on cellular automata and a substitution box. The joint of these two techniques, allow to encrypt digital images with a high adjacent redundancy and pass different statistical and differential tests and cryptanalytic attacks. The synchronization phenomenon of cellular automata, is sensitive to initial conditions, therefore has been used in Pseudo Random Number Generators (PRNG) and cryptosystems. In this system, the synchronization phenomenon is used to change the coefficients of the pixels, but the process is not equal for each bit, thus the s-box is used to make the system robust and for compliance with the bit independence criterion among others.

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Section: S-boxmentioning

confidence: 99%

Image Encryption System Based on Cellular Automata and S-Box

Contreras¹,

Ramírez²,

Aboytes³

2019

RCS

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“…The attacker tries to discover the key used to encrypt one of the messages and use the key to decipher and read the other messages. A typical variation is the Linear Cryptanalysis in which the attacker evaluates the input and output values for each Substitution-box (S-box) [19]. With S-box, each message is being encrypted with the same key [20].…”

Section: B Known-plaintext Attacksmentioning

confidence: 99%

A Robust Cryptographic System using Neighborhood-Generated Keys

Opoku¹

2012

IJORCS

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“…In [13,14], another scheme is proposed to verify the randomness of the image, called "Shannon's local entropy." We also use Shannon local entropy analysis to validate our purposed scheme [15][16][17][18][19][20][21][22][23][24][25][26][27].The rest of the paper is organized as follows. Section 2 presents our designed four-dimensional chaotic system and proposed image encryption scheme.…”

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confidence: 99%

FPGA Implementation and Design of a Hybrid Chaos-AES Color Image Encryption Algorithm

Yang

Chien

2020

Symmetry

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In this paper, we propose an image encryption algorithm based on four-dimensional chaotic system to generate key and improve advanced encryption standard. The encryption algorithm is optimized by using the pipeline and parallel computing features of Field Programmable Gate Array (FPGA). First, the chaotic system is used as a key generator for the encryption algorithm. Next, in the improved advanced encryption standard, ShiftRows and SubByres are modified with Spin-Sort and Cubic S-Box, and the round of encryption is reduced. We implement the encryption algorithm and the wired image transmission system to the ARM-based SoC-FPGA. The HPS software runs on Linux and is used to control the FPGA encryption algorithm and image transmission. Finally, the results from the encryption security analysis show that the proposed image encryption algorithm is safe and effective.

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A Chaos Based Approach for Improving Non Linearity in S Box Design of Symmetric Key Cryptosystems

Cited by 6 publications

References 4 publications

Image Encryption System Based on Cellular Automata and S-Box

Image Encryption System Based on Cellular Automata and S-Box

A Robust Cryptographic System using Neighborhood-Generated Keys

FPGA Implementation and Design of a Hybrid Chaos-AES Color Image Encryption Algorithm

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