Results 11 to 20 of about 372 (92)

Improved Rectangle Attacks on SKINNY and CRAFT [PDF]

IACR Transactions on Symmetric Cryptology, 2021
The boomerang and rectangle attacks are adaptions of differential cryptanalysis that regard the target cipher E as a composition of two sub-ciphers, i.e., E = E1 ∘ E0, to construct a distinguisher for E with probability p2q2 by concatenating two short ...
Hosein Hadipour, Nasour Bagheri, Ling Song   +2 more
doaj   +3 more sources

Cryptanalysis of Reduced round SKINNY Block Cipher [PDF]

IACR Transactions on Symmetric Cryptology, 2018
SKINNY is a family of lightweight tweakable block ciphers designed to have the smallest hardware footprint. In this paper, we present zero-correlation linear approximations and the related-tweakey impossible differential characteristics for different ...
Sadegh Sadeghi, Tahereh Mohammadi, Nasour Bagheri   +2 more
doaj   +4 more sources

Cryptanalysis of Forkciphers [PDF]

IACR Transactions on Symmetric Cryptology, 2020
The forkcipher framework was designed in 2018 by Andreeva et al. for authenticated encryption of short messages. Two dedicated ciphers were proposed in this framework: ForkAES based on the AES (and its tweakable variant Kiasu-BC), and ForkSkinny based on
Augustin Bariant, Nicolas David, Gaëtan Leurent   +2 more
doaj   +3 more sources

A Note on Related-Tweakey Impossible Differential Attacks [PDF]

IACR Communications in Cryptology
In this note we review the technique proposed at ToSC 2018 by Sadeghi et al. for attacks built upon several related-tweakey impossible differential trails. We show that the initial encryption queries are improper and lead the authors to misevaluate a filtering value in the key recovery phase.
Bonnetain, Xavier, Lallemand, Virginie
openaire   +4 more sources

Efficient constructions for large‐state block ciphers based on AES New Instructions

IET Information Security, Volume 16, Issue 3, Page 145-160, May 2022., 2022
Abstract Large‐state block ciphers with 256 bits or 512 bits block sizes receive much attention from the viewpoint of long‐term security. Existing large‐state block ciphers, such as Haraka‐v2 and Pholkos, consist of only the AES New Instructions set (AES‐NI) and a word shuffle that can be efficiently executed by SIMD instructions for fast software ...
Rentaro Shiba, Kosei Sakamoto, Takanori Isobe   +2 more
wiley   +1 more source

Multiple Impossible Differential Attacks for ForkAES

Security and Communication Networks, Volume 2022, Issue 1, 2022., 2022
To yield a highly efficient authentication encryption design for very short messages, the tweakable forkcipher is proposed, which is a tweakable block cipher that uses forking construction to produce two output blocks. The designers also presented ForkAES, a forkcipher that is based on the round function of AES and the tweakable variant of KIASU ...
Zilong Jiang, Chenhui Jin, Jin Wook Byun
wiley   +1 more source

Improved meet‐in‐the‐middle attacks on reduced‐round Joltik‐BC

IET Information Security, Volume 15, Issue 3, Page 247-255, May 2021., 2021
Abstract Joltik‐BC is an internal tweakable block cipher of the authenticated encryption algorithm Joltik, which was a second‐round finalist in the CAESAR competition. The authors study the key‐recovery attacks on Joltik‐BC under meet‐in‐the‐middle attack.
Manman Li, Shaozhen Chen
wiley   +1 more source

The QARMAv2 Family of Tweakable Block Ciphers [PDF]

, 2023
We introduce the QARMAv2 family of tweakable block ciphers. It is a redesign of QARMA (from FSE 2017) to improve its security bounds and allow for longer tweaks, while keeping similar latency and area.
Avanzi, Roberto, Banik, S., Dunkelman, O., Eichlseder, M., Ghosh, S., Nageler, M., Regazzoni, F.   +6 more
core   +1 more source

Differential Attacks on CRAFT Exploiting the Involutory S-boxes and Tweak Additions

IACR Transactions on Symmetric Cryptology, 2020
CRAFT is a lightweight tweakable block cipher proposed at FSE 2019, which allows countermeasures against Differential Fault Attacks to be integrated into the cipher at the algorithmic level with ease.
Hao Guo, Siwei Sun, Danping Shi, Ling Sun, Yao Sun, Lei Hu, Meiqin Wang   +6 more
doaj   +1 more source

Boomerang Connectivity Table:A New Cryptanalysis Tool [PDF]

, 2018
A boomerang attack is a cryptanalysis framework that regards a block cipher $E$ as the composition of two sub-ciphers $E_1\circ E_0$ and builds a particular characteristic for $E$ with probability $p^2q^2$ by combining differential characteristics for ...
A Biryukov, A Biryukov, A Bogdanov, A Canteaut, C Beierle, C Cid, D Wagner, E Biham, E Biham, E Biham, E Biham, G Liu, J Guo, J Jean, J Kelsey, J Kim, K Aoki, O Dunkelman, O Dunkelman, S Murphy, T Suzaki, TP Berger   +21 more
core   +2 more sources