Image encryption using One Dimensional Chaotic Map and transmission Through OFDM system

Ayad, Jenan; Hasan, Fadhil Sahib; Ali, Alaa. H.

doi:10.1109/icccnt56998.2023.10308260

Cited by 1 publication

(1 citation statement)

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“…There is a close association between chaotic systems and cryptology [5,6]. Randomness, initial parameters, control sensitivity, and ergodicity are features of chaotic systems that satisfy the essential requirements of cryptology [7]. The fact that these values generated by chaotic systems are deterministic and highly unpredictable is a significant advantage for encryption systems.…”

Section: Introductionmentioning

confidence: 99%

Image encryption based on s-box and 3D-chaotic maps and secure image transmission through ofdm in rayleigh fading channel

Namuq,

Hasan,

Ali

2024

ETJ

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This paper proposes a new multistage system for image encryption and decryption • The system enables secure image transmission through an OFDM system • The system achieved a UACI of around 34, NPCR over 99.4, and CC under 0.05 • Statistical analysis demonstrated the encryption system is secure and robust.Data security is vital if transferred over a wireless network or stored on a personal computer. The essential properties of chaos, such as initial state sensitivity and unpredictability, make it a crucial candidate for encryption applications. This paper proposes a 3D chaotic map and a cascaded S-Box that can be combined to get a high-efficiency and complex cryptographic algorithm. The first stage is ciphering using a 3D cat map, the second stage is an S-box based on a 3D Henon map, and the third stage is another ciphering stage using a 3D Henon map. This study combines various encryption techniques, including cipher algorithms and substitution boxes, with the OFDM system to establish a secure image transmission over a Rayleigh fading channel. BPSK modulation is used to ensure the simplicity of the proposed system. Three grey images are used, Lena, the camera-man, and Pepper, for testing and comparing with previous works. Security analysis is performed to evaluate the quality and security of the encryption process.For image transmission evaluation, the PSNR and BER are utilized. According to the statistical results, the proposed image encryption scheme is secure and efficient. The comparison with the previous studies shows that this system is competitive with previous works.

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Section: Introductionmentioning

confidence: 99%