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New Results on Boomerang and Rectangle Attacks [PDF]
The boomerang attack is a new and very powerful cryptanalytic technique. However, due to the adaptive chosen plaintext and ciphertext nature of the attack, boomerang key recovery attacks that retrieve key material on both sides of the boomerang distinguisher are hard to mount.
Eli Biham, Orr Dunkelman, Nathan Keller
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The Rectangle Attack — Rectangling the Serpent [PDF]
Serpent is one of the 5 AES finalists. The best attack published so far analyzes up to 9 rounds. In this paper we present attacks on 7-round, 8-round, and 10-round variants of Serpent. We attack a 7- round variant with all key lengths, and 8- and 10-round variants with 256-bit keys. The 10-round attack on the 256-bit keys variants is the best published
Eli Biham, Orr Dunkelman, Nathan Keller
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New Related-Tweakey Boomerang and Rectangle Attacks on Deoxys-BC Including BDT Effect [PDF]
In the CAESAR competition, Deoxys-I and Deoxys-II are two important authenticated encryption schemes submitted by Jean et al. Recently, Deoxys-II together with Ascon, ACORN, AEGIS-128, OCB and COLM have been selected as the final CAESAR portfolio ...
Boxin Zhao, Xiaoyang Dong, Keting Jia
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On Boomerang Attacks on Quadratic Feistel Ciphers
The recent introduction of the Boomerang Connectivity Table (BCT) at Eurocrypt 2018 revived interest in boomerang cryptanalysis and in the need to correctly build boomerang distinguishers.
Xavier Bonnetain, Virginie Lallemand
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Exploring Differential-Based Distinguishers and Forgeries for ASCON
Automated methods have become crucial components when searching for distinguishers against symmetric-key cryptographic primitives. While MILP and SAT solvers are among the most popular tools to model ciphers and perform cryptanalysis, other methods with ...
David Gerault +2 more
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Related-Key Boomerang and Rectangle Attacks [PDF]
The boomerang attack and the rectangle attack are two attacks that utilize differential cryptanalysis in a larger construction. Both attacks treat the cipher as a cascade of two sub-ciphers, where there exists a good differential for each sub-cipher, but not for the entire cipher.
Eli Biham, Orr Dunkelman, Nathan Keller
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Security Analysis of SKINNY under Related-Tweakey Settings
In CRYPTO’16, a new family of tweakable lightweight block ciphers - SKINNY was introduced. Denoting the variants of SKINNY as SKINNY-n-t, where n represents the block size and t represents the tweakey length, the design specifies t ∈ {n, 2n, 3n}. In this
Guozhen Liu, Mohona Ghosh, Ling Song
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A Related-Key Rectangle Attack on the Full KASUMI [PDF]
KASUMI is an 8-round Feistel block cipher used in the confidentiality and the integrity algorithms of the 3GPP mobile communications. As more and more 3GPP networks are being deployed, more and more users use KASUMI to protect their privacy. Previously known attacks on KASUMI can break up to 6 out of the 8 rounds faster than exhaustive key search, and ...
Eli Biham, Orr Dunkelman, Nathan Keller
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Parallel Rectangle Flip Attack: A Query-based Black-box Attack against Object Detection
8 pages, 5 ...
Siyuan Liang 0004 +4 more
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A numerical simulation was performed to investigate the effects of longitudinal vortices on the heat transfer enhancement of a laminar flow in a rectangle duct mounted with rectangular winglet pair on the bottom wall.
Qiang Zhang, Liang-Bi Wang
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