Results 51 to 60 of about 1,059 (176)
IACR Transactions on Symmetric Cryptology, 2018 We present column parity mixers (CPM), a generalization of the Θ mixing layer that is used in Keccak. Thanks to our description using matrix arithmetic, we can easily derive algebraic, diffusion, and mask propagation properties, leading to a surprising ...
Ko Stoffelen, Joan Daemen
doaj +1 more source
In-Memory Computation Based Mapping of Keccak-f Hash Function
Frontiers in Nanotechnology, 2022 Cryptographic hash functions play a central role in data security for applications such as message authentication, data verification, and detecting malicious or illegal modification of data.
Sandeep Kaur Kingra +2 more
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Applied Computational Intelligence and Soft Computing, Volume 2026, Issue 1, 2026.This paper proposes a novel blockchain‐based system designed to revolutionize transparency, traceability, and reliability within the organic food supply chain. Addressing persistent challenges such as certification fraud, opaque supply chains, and the high costs associated with organic food production, stakeholders including farmers, processors ...
Youness Riouali +2 more
wiley +1 more source
Cryptanalysis of 1-Round KECCAK [PDF]
, 2017 In this paper, we give the first pre-image attack against 1- round KECCAK-512 hash function, which works for all variants of 1- round KECCAK. The attack gives a preimage of length less than 1024 bits by solving a system of 384 linear equations.
Hoda AlKhzaimi +2 more
core
Journal of Computer Networks and Communications, Volume 2026, Issue 1, 2026.The sharing of personal health records (PHRs) benefits healthcare by improving disease diagnosis, treatment, and early outbreak detection. However, outsourcing PHRs for storage exposes data to risks such as tampering and unauthorized access. Ensuring the security of PHRs is crucial, especially when shared via third‐party servers. A secure sharing model
Eric Affum +3 more
wiley +1 more source
Optimization of preimage resistance on SHA-3 algorithm(SHA-3算法的抗原象攻击性能优化)
Zhejiang Daxue xuebao. Lixue ban, 2016 通过对SHA-3算法置换函数Keccak-f的线性性质以及缩减轮数的Keccak杂凑函数原象攻击的研究，提出了 SHA-3算法的抗原象攻击性能优化设计方案.首先结合Keccak杂凑函数的差分特点和θ置换函数的奇偶性质，分析了基于CP-kernel的SHA-3算法原象攻击；然后针对目前实施原象攻击的方法，在θ置换函数运算后异或随机数以打乱其汉明重量，改变CP-kernel的校验性质，阻止攻击者利用中间相遇的方法寻找原象，提高了 SHA-3 算法的抗原象攻击能力；最后利用VHDL硬件语言实现抗原象攻击SHA-
LIJianrui(李建瑞) +2 more
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Towards quantum‐safe blockchain: Exploration of PQC and public‐key recovery on embedded systems
IET Blockchain, Volume 5, Issue 1, January/December 2025.This paper addresses the need for quantum‐safe blockchain solutions specifically for embedded systems by integrating Post‐Quantum Cryptography (PQC) into blockchain frameworks. We propose a quantum‐secure blockchain architecture using NIST‐standardized PQC algorithms, finding Falcon‐512 to be optimal for embedded environments due to its security and ...
Dominik Marchsreiter
wiley +1 more source
Finding Collisions against 4-Round SHA-3-384 in Practical Time
IACR Transactions on Symmetric Cryptology, 2022 The Keccak sponge function family, designed by Bertoni et al. in 2007, was selected by the U.S. National Institute of Standards and Technology (NIST) in 2012 as the next generation of Secure Hash Algorithm (SHA-3).
Senyang Huang +3 more
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Rhythmic Keccak: SCA Security and Low Latency in HW
Transactions on Cryptographic Hardware and Embedded Systems, 2018 Glitches entail a great issue when securing a cryptographic implementation in hardware. Several masking schemes have been proposed in the literature that provide security even in the presence of glitches.
Victor Arribas +4 more
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Differential-Aided Preimage Attacks On Round-Reduced Keccak
The Computer Journal, 2022 Abstract At FSE 2008, Leurent introduced the preimage attack on MD4 by exploiting differential trails. In this paper, we apply the differential-aided preimage attack to Keccak with the message modification techniques. Instead of directly finding the preimage, we exploit differential characteristics to modify the messages, so that the ...
Congming Wei +4 more
openaire +1 more source