Results 41 to 50 of about 171 (59)
New cryptanalysis of LowMC with algebraic techniques
Designs, Codes, and Cryptography, 2023 AbstractLowMC is a family of block ciphers proposed by Albrecht et al. at EUROCRYPT 2015, which is tailored specifically for FHE and MPC applications. At ToSC 2018, a difference enumeration attack was given for the cryptanalysis of low-data instances of full LowMCv2 with few applied S-boxes per round.
Hailun Yan
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Implementing Grover Oracles for Quantum Key Search on AES and LowMC [PDF]
Lecture Notes in Computer Science, 2020 Grover's search algorithm gives a quantum attack against block ciphers by searching for a key that matches a small number of plaintext-ciphertext pairs. This attack uses $O(\sqrt{N})$ calls to the cipher to search a key space of size $N$. Previous work in the specific case of AES derived the full gate cost by analyzing quantum circuits for the cipher ...
Martin Roetteler +2 more
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Implementação em Software da Cifra LowMC
Anais do XXII Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais (SBSeg 2022), 2022Nos últimos anos surgiram várias propostas de primitivas simétricas construídas visando a minimização das operações não lineares, dentre elas, a família de cifras de bloco LowMC. Embora o LowMC seja uma primitiva muito atraente para aplicações que se beneficiam da sua baixa complexidade multiplicativa, o fato dele operar diretamente sobre bits torna-o ...
Roberto Cabral, Julio López
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Differential Power Analysis of the Picnic Signature Scheme [PDF]
Lecture Notes in Computer Science, 2021 This work introduces the first differential side-channel analysis of the Picnic Signature Scheme, an alternate candidate in the ongoing competition for post-quantum cryptography by the National Institute of Standards and Technology (NIST).
Thomas Eisenbarth
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The MALICIOUS Framework: Embedding Backdoors into Tweakable Block Ciphers [PDF]
Lecture Notes in Computer Science, 2020 Inserting backdoors in encryption algorithms has long seemed like a very interesting, yet difficult problem. Most attempts have been unsuccessful for symmetric-key primitives so far and it remains an open problem how to build such ciphers. In this work,
Thomas Peyrin
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Improved Quantum Analysis of SPECK and LOWMC
Computer Architecture and Design MethodologiesKyung Bae Jang
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Lightweight Implementation of the LowMC Block Cipher Protected Against Side-Channel Attacks
Proceedings of the 4th ACM Workshop on Attacks and Solutions in Hardware Security, 2020LowMC is a parameterizable block cipher developed for use in Multi-Party Computation (MPC) and Fully Homomorphic Encryption (FHE). In these applications, linear operations are much less expensive in terms of resource utilization compared to the non-linear operations due to their low multiplicative complexity.
Kris Gaj +2 more
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A Three-Stage MITM Attack on LowMC from a Single Plaintext-Ciphertext Pair
Lecture Notes in Computer ScienceDongdai Lin, Meicheng Liu
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Algebraic Meet-in-the-Middle Attack on LowMC
Lecture Notes in Computer Science, 2023Santanu Sarkar +2 more
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