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Automatic Key Recovery of Feistel Ciphers: Application to SIMON and SIMECK
Linear cryptanalysis is one of the most effective statistical analysis methods on symmetric-key ciphers. It has benefited from many improvements...
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The Key-Dependent Message Security of Key-Alternating Feistel Ciphers
Key-Alternating Feistel (KAF) ciphers are a popular variant of Feistel ciphers whereby the round functions are defined as...
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Related-Key Analysis of Generalized Feistel Networks with Expanding Round Functions
We extend the prior provable related-key security analysis of (generalized) Feistel networks (Barbosa and Farshim, FSE 2014; Yu et al., Inscrypt...
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DBST: a lightweight block cipher based on dynamic S-box
IoT devices have been widely used with the advent of 5G. These devices contain a large amount of private data during transmission. It is primely...
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LightWeight energy-efficient Block Cipher based on DNA cryptography to secure data in internet of medical things devices
The purpose of this study is to secure data in internet of medical things (IoMT) environment while saving energy to improve objects lifetime....
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Quantum Attacks: A View of Data Complexity on Offline Simon’s Algorithm
Simon’s algorithm has shown a threat to block ciphers in the quantum setting, especially accelerating attacks with superposition queries. Sometimes...
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SVHF: A Lightweight Stream Cipher Based on Feistel and OFB
For the demand of the resource constrained mobile terminal to the lightweight cipher, this paper presents a new lightweight stream cipher, which is...
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Quantum attacks on some feistel block ciphers
Post-quantum cryptography has attracted much attention from worldwide cryptologists. However, most research works are related to public-key...
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Interpolation Cryptanalysis of Unbalanced Feistel Networks with Low Degree Round Functions
In recent years a new type of block ciphers and hash functions over a (large) field, such as MiMC and GMiMC, have been designed. Their security,...
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A further study on bridge structures and constructing bijective S-boxes for low-latency masking
In ToSC 2020, Bilgin et al. proposed a new structure called bridge to construct S-boxes with low AND depth for low-latency masking. In this paper, we...
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Full-round impossible differential attack on shadow block cipher
Lightweight block ciphers are the essential encryption algorithm for devices with limited resources. Its goal is to ensure the security of data...
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Tweaking Key-Alternating Feistel Block Ciphers
Tweakable block cipher as a cryptographic primitive has found wide applications in disk encryption, authenticated encryption mode and message...
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Quantum Cryptanalysis on Contracting Feistel Structures and Observation on Related-Key Settings
In this paper we show several quantum chosen-plaintext attacks (qCPAs) on contracting Feistel structures. In the classical setting, a d-branch...
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A block image encryption algorithm based on a hyperchaotic system and generative adversarial networks
To address the problems of existing image encryption algorithms based on chaotic systems, such as the weak resistance to attack, the unstable...
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Provable security against impossible differential and zero correlation linear cryptanalysis of some feistel structures
Impossible differential and zero correlation linear cryptanalysis are two important cryptanalytic methods. In this paper, we study the security of...
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DNACDS: Cloud IoE big data security and accessing scheme based on DNA cryptography
The Internet of Everything (IoE) based cloud computing is one of the most prominent areas in the digital big data world. This approach allows...
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Explicit values of the DDT, the BCT, the FBCT, and the FBDT of the inverse, the gold, and the Bracken-Leander S-boxes
The inverse, the Gold, and the Bracken-Leander functions are crucial for building S-boxes of block ciphers with good cryptographic properties in...
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Improved Integral Attack on Generalized Feistel Cipher
Division property is a generalized integral property proposed by Todo in Eurocrypt 2015. Utilizing automated tools such as SAT and MILP, the...
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On the Double Differential Uniformity of Vectorial Boolean Functions
We introduce the double differential distribution table (DDDT) and the double differential uniformity of a vectorial Boolean function to study the...