Results 11 to 20 of about 718 (207)
A New Cipher Based on Feistel Structure and Chaotic Maps [PDF]
مجلة بغداد للعلوم, 2019 Chaotic systems have been proved to be useful and effective for cryptography. Through this work, a new Feistel cipher depend upon chaos systems and Feistel network structure with dynamic secret key size according to the message size have been proposed ...
Al-Bahrani et al.
doaj +3 more sources
KFC – The Krazy Feistel Cipher [PDF]
, 2006 We introduce KFC, a block cipher based on a three round Feistel scheme. Each of the three round functions has an SPN-like structure for which we can either compute or bound the advantage of the best d-limited adaptive distinguisher, for any value of d.
Thomas Baignères, Matthieu Finiasz
openaire +4 more sources
FPE scheme based on k-splits Feistel network [PDF]
Tongxin xuebao, 2012 The construction features and discipline of Feistel network-based FPE(format-preserving encryption)schemes were analyzed.Considering on the problem that 2-splits Feistel networks-based FPE cipher’s block size was in narrow range,a type-2 Feistel network ...
Jing-wei LI +3 more
doaj +4 more sources
Tweaking Key-Alternating Feistel Block Ciphers [PDF]
, 2020 Tweakable block cipher as a cryptographic primitive has found wide applications in disk encryption, authenticated encryption mode and message authentication code, etc. One popular approach of designing tweakable block ciphers is to tweak the generic constructions of classic block ciphers.
Hailun Yan +3 more
core +6 more sources
Unbalanced Feistel networks and block cipher design [PDF]
, 1996 We examine a generalization of the concept of Feistel networks, which we call Unbalanced Feistel Networks (UFNs). Like conventional Feistel networks, UFNs consist of a series of rounds in which one part of the block operates on the rest of the block. However, in a UFN the two parts need not be of equal size. Removing this limitation on Feistel networks
Bruce Schneier, John Kelsey
openaire +3 more sources
Quaternion Feistel Cipher with an Infinite Key Space Based on Quaternion Julia Sets [PDF]
Journal of Telecommunications and Information Technology, 2015 In this paper Quaternion Feistel Cipher (QFC) with an infinite key space based on quaternion Julia sets is proposed. The basic structure of the algorithm is based on the scheme proposed in 2012 by Sastry and Kumar.
Mariusz Dzwonkowski, Roman Rykaczewski
doaj +2 more sources
Elastic Block Ciphers: The Feistel Cipher Case [PDF]
, 2004 We discuss the elastic versions of block ciphers whose round function processes subsets of bits from the data block differently, such as occurs in a Feistel network and in MISTY1. We focus on how specific bits are selected to be swapped after each round when forming the elastic version, using an elastic version of MISTY1 and differential cryptanalysis ...
Cook, Debra L. +2 more
openaire +4 more sources
FEISTEL CIPHER AND DIFFERENT SCRAMBLING METHODS FOR IMPLEMENTATION OF CLOUD APPLICATION BASED IMAGE ENCRYPTION [PDF]
, 2022 This article design a new image encryption technique based on cloud application where a modified Feistel cipher and the three scrambling methods are used to encrypt the different gray scale images.
Dipankar Dey (12163925)
core +1 more source
Complementing Feistel Ciphers [PDF]
, 2014 In this paper, we propose related-key differential distinguishers based on the complementation property of Feistel ciphers. We show that with relaxed requirements on the complementation, i.e. the property does not have to hold for all keys and the complementation does not have to be on all bits, one can obtain a variety of distinguishers.
Alex Biryukov, Ivica Nikolic
openaire +2 more sources
Multidimensional Linear Cryptanalysis of Feistel Ciphers
IACR Transactions on Symmetric Cryptology, 2023 This paper presents new generic attacks on Feistel ciphers that incorporate the key addition at the input of the non-invertible round function only. This feature leads to a specific vulnerability that can be exploited using multidimensional linear cryptanalysis.
Ozdemir, Betuel Askin +2 more
openaire +6 more sources