A novel image encryption scheme based on substitution-permutation network and chaos. Keywords.Padding-based encryption,OAEP,black-box,ideal trapdoor permutations. AU - Yoon, Ji Won. It is found out through experiments that the proposed permutation in the integer DWT domain can achieve the same results as the proposed sample permutation scheme in the spatial domain. 3Department of Electrical Engineering, Energetics and Automatics, University … Next, the paper presents the permutation matrix encryption based ultralightweight secure RFID scheme in IoV in Section 3. Here, we process three color components simultaneously instead of individually, and consider the correlation between them. Gang Xu, Xuna Miao, Yafeng Zheng . N2 - Many research efforts for image encryption schemes have elaborated for designing nonlinear functions since security of these schemes closely depends on inherent characteristics of nonlinear functions. The scheme is based on a permutation called Friet-P and its embedding Friet-PC that we present in Sect. In this paper, a secure and fast chaotic image encryption scheme with simultaneous permutation-diffusion operation is proposed. Abstract: To improve the abilities of image encryption systems to resist plaintext attacks and differential attacks, a novel plaintext-related image encryption scheme based on Josephus traversing and pixel permutation is proposed. In the achievability scheme for the reversed system proposed in [4], the source is ﬁrst encrypted by a modulo-sum cipher with the help of a secret key, and then compressed by a Wyner-Ziv source encoder [5]. Silvia Mella. By keeping the permutation operation of the neural synaptic matrix as the secret key, we introduce a new probabilistic encryption scheme for a symmetric-key cryptosystem. PY - 2010/12 . A Novel Diffusion-Permutation Image Encryption Scheme . Are there deterministic private-key encryption schemes that are CPA-secure? The permutation is achieved by Baker map and the substitution by a key-related-to-plain-image algorithm based on the modified Logistic map. This paper analyses the aws of … As we are permuting only GEVs, this significantly reduces the complexity and making the scheme more efficient. Authors: Akram Belazi. The plain image is firstly divided into 8 bit panels and then arranged into two groups. The first one is Ascon, a finalist of CAESAR, and the second one is Isap, a scheme focusing on protection against DPA. Suppose that there is an image matrix with In the proposed encryption scheme, the chaotic map is used to design the plaintext dependent bit-level permutation. Encryption Schemes ∗ Eiichiro Fujisaki and Tatsuaki Okamoto ... from any trap-door permutation to an IND-CCA2 public-key encryption scheme in the random oracle model [5]. − After the expansion permutation, DES does XOR operation on the expanded right section and the round key. In this paper, two efficient cryptosystem schemes in the form of permutation–substitution based on chaotic systems are proposed. The new authenticated encryption scheme Friet is presented in Sect. Chaotic Encryption Scheme Based on A Fast Permutation and Diffusion Structure Jean De Dieu. 2 Is there a way to double the size of ciphertexts of a public-key scheme which is IND-CCA2 public networks. 2Department of Communications, Technical University of Cluj-Napoca, Romania . We combine permutation and diffusion processes into a whole, namely, simultaneous permutation and diffusion operation (SPDO). Our proposed image encryption algorithm belongs to symmetric cryptography. 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