Nkapkop1,2, Joseph Effa1, Monica Borda2, Laurent Bitjoka3, and Mohamadou Alidou4 1Department of Physics, University of Ngaoundéré, Cameroon . However, we proved that the original encryption scheme is vulnerable to the known/chosen-plaintext attacks. Student, Department of Information Science and Technology, Anna University CEG, Chennai, India The security analysis first reveals a common … Then we devote t o designing the image encryption scheme. This makes sufficient confusion for an adversary to locate GEVs in order to get meaningful information. To decrypt, APE processes the ciphertext blocks in reverse order, and uses inverse permu-tation calls. This paper proposes a block-permutation-based encryption (BPBE) scheme for the encryption-then-compression (ETC) system that enhances the color scrambling. A Novel Diffusion-Permutation Image Encryption Scheme . encryption scheme is robust and secure and can be used for secure image and video communication applications. Firstly, a simple and efficient S-box method is introduced in order to use this S-box designed scheme in secure color image encryption technique. Suppose that there is an image matrix with Y1 - 2010/12. The first one is Ascon, a finalist of CAESAR, and the second one is Isap, a scheme focusing on protection against DPA. The scheme is based on a permutation called Friet-P and its embedding Friet-PC that we present in Sect. Downloaded on September 07,2020 at 03:15:29 UTC from IEEE Xplore. Chaotic Encryption Scheme Based on A Fast Permutation and Diffusion Structure Jean De Dieu. The major advantage of the proposed strategy is the dynamic aspect of keys used by chaotic map to generate strong S-boxes. Permutation and ff are two basic principles in designing an image encryption algorithm. Almost all image encryption methods are based on a scheme that separates permutation and ff namely, asynchronous permutation and ff scheme (APDS). In this scheme, redundancies of the Fridrich’s structure were reduced significantly via a new circular inter-intra-pixels bit-level permutation strategy. The permutation is achieved by Baker map and the substitution by a key-related-to-plain-image algorithm based on the modified Logistic map. image encryptions are proposed such as DNA sequence An Encryption Scheme for Images Based on Chaotic Key Generation and Block Level Permutation P. Mithun1, R. Sandhiya2, J. Indumathi3 1,2M.Tech. Permutation logic is graphically depicted in the following illustration − The graphically depicted permutation logic is generally described as table in DES specification illustrated as shown − XOR (Whitener). In this paper, two efficient cryptosystem schemes in the form of permutation–substitution based on chaotic systems are proposed. 4. Here, we process three color components simultaneously instead of individually, and consider the correlation between them. In Section II, we first briefly introduce the 2D chaotic cat map and discuss its chaotic natures. In recent years, a variety of effective chaos-based image encryption schemes have been proposed. Trail Bound Techniques in Primitives with Weak Alignment. e proposed scheme can simultaneously encrypt and compress the medical image using compressive sensing (CS) and pixel swapping based permutation approach. We formally prove that APE is secure, based on the security of the underlying permutation. This talk is about two permutation-based authenticated encryption schemes. 2Department of Communications, Technical University of Cluj-Napoca, Romania . The main idea of the proposed scheme, called PPE, is that only GEVs are permuted instead of the whole packets at the source. They also presented a method, called Optimal Asymmetric Encryption Padding (OAEP), that converts any trap-door permutation f into an IND-CCA1 public-key encryption scheme in the random oracle model [6]. Authors: Akram Belazi. This paper cryptanalyzes a family of image encryption schemes that adopt pixel-level permutation and modular addition-based substitution. 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]. AU - Kim, Hyoungshick. − After the expansion permutation, DES does XOR operation on the expanded right section and the round key. The permutation is performed on each group based on the feature of the other group. Authorized licensed use limited to: Universidade de Macau. After that, the keystream is employed to mask the permutated image to get the cipher-image. Relative cryptanalysis achievements usually focus on a specific encryption scheme. As we are permuting only GEVs, this significantly reduces the complexity and making the scheme more efficient. January 2011; Communications in Computer and Information Science 131:413-427; … It may be referred to as permutation-diffusion in some studies. technique. We provide rationale for … public networks. 1 Introduction 1.1 Padding schemes for encryption Optimal Asymmetric Encryption Padding (OAEP) is one of the most known and widely deployed asymmetric encryption schemes. In permutation-only image ciphers, the entries of the image matrix are scrambled using a permutation mapping matrix which is built by a pseudo-random number generator. As mentioned above, the Kec- cak team has proved that one can build authenticated-encryption stream-cipher modes using the very same public Keccak permutation [6] on which SHA-3 (as a random oracle) is built. as the first permutation-based authenticated encryption scheme that is resistant against nonce misuse. This paper analyses the aws of … Authentication Scheme based on Permutation Matrix Encryption for Internet of Vehicles Morteza Adeli1, Nasour Bagheri2 1 Department of Sciences, Shahid Rajaee Teacher Training University, Iran, adeli.morteza@gmail.com 2 Electrical Engineering Department, Shahid Rajaee Teacher Training University, Iran, NBagheri@srttu.edu Abstract. A novel chaos-based image encryption scheme has been proposed recently. Silvia Mella. April 2016 ; Signal Processing 128; DOI: 10.1016/j.sigpro.2016.03.021. Encryption Process. Keywords.Padding-based encryption,OAEP,black-box,ideal trapdoor permutations. DES Encryption Overview The overall scheme for DES encryption is illustrated in Figure3.4, which takes as input 64-bits of data and of key. 3Department of Electrical Engineering, Energetics and Automatics, University … 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. It was designed by Bel-lare and Rogaway [3] as a scheme based on a trapdoor permutation (TDP). 3 where we also discuss its properties and provide a security claim. e proposed image encryption plot dependent on chaos structure is delineated in Figure 11(a). Finally, some conclusions of the proposed scheme and the discussion of the … Are there deterministic private-key encryption schemes that are CPA-secure? Based on Spatiotemporal Chaos . PY - 2010/12 . T1 - An image encryption scheme with a pseudorandom permutation based on chaotic maps. 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. However, this has still been the case mostly in the stream-cipher mode. A novel image encryption scheme based on substitution-permutation network and chaos. Our proposed image encryption algorithm belongs to symmetric cryptography. Three procedures generally exist in such image encryption schemes: the key schedule module for producing encryption elements, permutation for image scrambling and substitution for pixel modification. Gang Xu, Xuna Miao, Yafeng Zheng . A new chaotic image encryption scheme based on permutation and substitution in the Fourier domain is presented. A Chaotic Image Encryption Scheme with Complex Diffusion Matrix for Plain Image Sensitivity Janani Thiyagarajan1, Brindha Murugan1, ... cipher, there are two phases for encryption: permutation and diffusion. Next, the paper presents the permutation matrix encryption based ultralightweight secure RFID scheme in IoV in Section 3. encryption-RDH scheme in this paper. Partial Permutation Based Encryption (PPE) Scheme. In the CS phase, the plain image is compressed and encrypted by chaos- based Bernoulli measurement matrix, which is generated under the control of the introduced Chebyshev map. encryption schemes that have passed these tests were cracked [22]–[26]. The typical structure of these schemes has the permutation and the diffusion stages performed alternatively. AU - Yoon, Ji Won. In the proposed encryption scheme, the chaotic map is used to design the plaintext dependent bit-level permutation. We give insight into their designs, also covering resistance against side-channel attacks. The new authenticated encryption scheme Friet is presented in Sect. after encryption. Such features are applied in the design of joint encryption-RDH scheme. 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. 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. and secure chaos-based color image encryption scheme using bit-level permutation is proposed. 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]. Fractional Fourier Transform (FRFT) is used before the encryption scheme to get a large degree of randomization. Section 4 shows the security and performance analysis of the new scheme. 1. tion schemes in the public random-permutation model. The plain image is firstly divided into 8 bit panels and then arranged into two groups. At the receiver side, joint reconstruction-decryption is conducted by viewing the secret key as side information and performing the Wyner-Ziv decoding procedure. We combine permutation and diffusion processes into a whole, namely, simultaneous permutation and diffusion operation (SPDO). For example, the equivalent. 2 Is there a way to double the size of ciphertexts of a public-key scheme which is IND-CCA2 The confusion and diffusion effect is solely contributed by the permutation and the diffusion stage, respectively. Abstract: Permutation is a commonly used primitive in multimedia (image/video) encryption schemes, and many permutation-only algorithms have been proposed in recent years for the protection of multimedia data. A BPBE image can be obtained through four processes, positional scrambling, block rotation/flip, negative-positive transformation, and color component shuffling, after dividing the original image into multiple blocks. 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