Results 21 to 30 of about 22,418 (196)

3-round Feistel is Not Superpseudorandom Over Any Group [PDF]

open access: yes, 2021
Luby and Rackoff used a Feistel cipher over bit strings to construct a pseudorandom permutation from pseudorandom functions in 1988 and in 2002, Patel, Ramzan, and Sundaram generalized the construction to arbitrary abelian groups.
Hector B. Hougaard
core   +1 more source

Automatic Search of Rectangle Attacks on Feistel Ciphers: Application to WARP

open access: yesIACR Transactions on Symmetric Cryptology, 2022
In this paper we present a boomerang analysis of WARP, a recently proposed Generalized Feistel Network with extremely compact hardware implementations.
Virginie Lallemand   +2 more
doaj   +1 more source

Weak Tweak-Keys for the CRAFT Block Cipher

open access: yesIACR Transactions on Symmetric Cryptology, 2022
CRAFT is a lightweight tweakable Substitution-Permutation-Network (SPN) block cipher optimized for efficient protection of its implementations against Differential Fault Analysis (DFA) attacks.
Gregor Leander, Shahram Rasoolzadeh
doaj   +1 more source

Full-round impossible differential attack on shadow block cipher

open access: yesCybersecurity, 2023
Lightweight block ciphers are the essential encryption algorithm for devices with limited resources. Its goal is to ensure the security of data transmission through resource-constrained devices.
Yuting Liu   +3 more
doaj   +1 more source

Practically secure Feistel ciphers [PDF]

open access: yesDAIMI Report Series, 1994
In this paper we give necessary design principles to be used, when constructing secure Feistel ciphers. We introducee a new concept, <strong> practical security</strong> against linear and differential attacks on Feistel ciphers. We give examples of such Feistel ciphers (practically) resistant to differential attacks, linear attacks and ...
openaire   +3 more sources

An Image Encryption Method Based on the Feistel Network and Dynamic DNA Encoding

open access: yesIEEE Photonics Journal, 2018
Based on the Feistel network and dynamic deoxyribonucleic acid (DNA) encoding technology, an image encryption method is proposed using the “permutation–diffusion–scrambling” structure.
Xuncai Zhang, Zheng Zhou, Ying Niu
doaj   +1 more source

FEISTEL CIPHER AND DIFFERENT SCRAMBLING METHODS FOR IMPLEMENTATION OF CLOUD APPLICATION BASED IMAGE ENCRYPTION

open access: yes, 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

Secure Key-Alternating Feistel Ciphers Without Key Schedule [PDF]

open access: yes, 2020
Light key schedule has found many applications in lightweight blockciphers, e.g. LED, PRINTcipher and LBlock. In this paper, we study an interesting question of how to design a as light as possible key schedule from the view of provable security and ...
Lei Wang   +3 more
core   +1 more source

An Improvement of Serpent Algorithm [PDF]

open access: yesEngineering and Technology Journal, 2005
An improvement to Serpent algorithm will be proposed . Serpent algorithm is a Feistel network , iterating a simple encryption function 32 times . The block size is 256 bits , and the key can be any length up to 256 bytes .
Saleh Al - Karaawy, Ashwaq Hashim
doaj   +1 more source

End-to-End Encryption in Resource-Constrained IoT Device

open access: yesIEEE Access, 2023
Internet of Things (IoT) technologies will interconnect with a wide range of network devices, regardless of their local network and resource capacities.
Ala Saleh D. Alluhaidan, P. Prabu
doaj   +1 more source

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