feistel network
Avalanche Analysis of Extended Feistel Network
... A Feistel Network (FN) is a general method of transforming the input block in a cipher through a repeated application of keyed, non-linear F- functions into a permutation ...Horst Feistel [3] and was ...
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10-Round Feistel is Indifferentiable from an Ideal Cipher
... of Feistel networks, it is known (see [CHK + 14]) that one can simplify the problem and focus on indifferentiability of the Feistel network when using independent, random, unkeyed round functions ...
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Meet-in-the-Middle Attacks on 3-Line Generalized Feistel Networks
... generalized Feistel network, which is a considerate choice for some special needs, such as designing a 96-bit cipher based on a 32-bit round ...balanced Feistel-2 and Feistel-3 based on the ...
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Cryptanalysis of Feistel Networks with Secret Round Functions
... In the same paper, Patarin suggests two distinguishers against 6-round ⊕- Feistel Networks. However, these do not target a permutation but a generator of permutation. This can be interpreted as a multi-key attack: ...
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Indifferentiability of 10-Round Feistel Networks
... flaw by Holenstein et al. [17], and who could indeed not repair the simulator at six rounds; instead, Holenstein et al. could only show that a 14-round Feistel network is indifferentiable from a random ...
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Quantum cryptanalysis on some Generalized Feistel Schemes
... efficient Feistel network ...generalized Feistel schemes (GFS) as Type-1/2/3 ...CAST256-like Feistel scheme, RC6/CLEFIA-like Feistel scheme, and MARS-like Feistel scheme ...
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A New Cipher Based on Feistel Structure and Chaotic Maps
... the feistel cipher, like DES, instead of using the entire enciphering keys at single round, a round-dependent key asubkey is taken from the enciphering ...a feistel cipher is designing of round function ...
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KAMAR: A Lightweight Feistel Block Cipher Using Cellular Automata
... Ren Fang et al. (2009) described KASUMI is a block cipher with the Feistel network. The small and efficient hardware of the KASUMI block cipher is the core of the 3GPP confidentiality algorithm-f8, and the ...
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Meet-in-the-Middle Attacks on Classes of Contracting and Expanding Feistel Constructions
... contracting Feistel schemes with pairwise independent permutations and have shown lower bounds for the security of such ...contracting Feistel built upon hash ...contracting Feistel. Suzaki and ...
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Naor-Reingold Goes Public: The Complexity of Known-key Security
... one-round Feistel using a 10-wise independent round function ...four-round Feistel network, this confirms that no generic attacks exist for unary ...
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Generic Round-Function-Recovery Attacks for Feistel Networks over Small Domains
... In 4-round known-plaintext attack, the authors are interested in a special structure in a set of pairs of plaintext-ciphertext pairs with specific properties (refer to Fig. 5 (b)). Given a pair of plaintext-ciphertext ...
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Construction of Lightweight S-Boxes using Feistel and MISTY structures (Full Version)
... MISTY network where there exists a differential with probability higher than the MEDP for any fixed key, but this optimal differential depends on the ...3-round Feistel networks are detailed in Section 5, ...
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PICARO - A Block Cipher Allowing Efficient Higher-Order Side-Channel Resistance -- Extended Version --
... a Feistel network allows us to build a full block cipher from the ...on Feistel schemes if no special care is taken on the diffu- sion layer of the round ...of Feistel networks are recalled in ...
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Homomorphic encryption based data security on federated cloud computing
... Modified Feistel Function is described ...modified Feistel network where the cipher key Cmxn is generated with the matrix based cipher key generation ...modified feistel function F. The input ...
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REMOVING IPV6 SECURITY USING HYBRID ALGORITHM
... It is having a function to iterate 16 times of network. Each round consists of key-dependent permutation and a key and data- dependent substitution. All operations are XORs and additions on 32-bit words. The only ...
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4-point Attacks with Standard Deviation Analysis on A-Feistel Schemes
... For the following rounds, we always have to add one more condition on the in- ternal variables and we perform the same computations. We need to alternate the conditions on the indices. The complexities of our attacks are ...
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Numerical implementation and oceanographic application of the Gibbs thermodynamic potential of seawater
... The recent Gibbs potential formulation of seawater ther- modynamics has a number of advantages compared to the classical “EOS80”, the 1980 Equation of State (Fofonoff and Millard, 1983), as explained in detail by ...
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Designing of Hybrid RSA Encryption Algorithm for Cloud Security
... ABSTRACT: Cloud system is providing many facilities to the users by providing Platform as a Service (PaaS), Software as a Service (SaaS), and Infrastructure as a Service (IaaS). Cloud system involves transferring data ...
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Construction of MDS Matrices from Generalized Feistel Structures
... on Feistel structures is one of the best solutions for the mentioned limitation ...applying Feistel structures, we can construct an n × n sparse matrix B so that B n is an MDS matrix and also the number of ...
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Quantum Chosen-Ciphertext Attacks against Feistel Ciphers
... In this paper, based on Simon’s algorithm, we first formalize a sufficient condition of a quantum distinguisher against block ciphers so that it works even if there are multiple collisions other than the real period. ...
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