Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part II
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Book and Conference Proceedings
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Book and Conference Proceedings
Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part III
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Book and Conference Proceedings
Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part V
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Book and Conference Proceedings
Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part IV
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Book and Conference Proceedings
Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part VI
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Book and Conference Proceedings
Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part I
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Chapter and Conference Paper
Falling into Bytes and Pieces – Cryptanalysis of an Apple Patent Application
In this paper we take a look at a cipher that has escaped public cryptanalysis so far. It is a block cipher published by Apple in a patent application describing its functionality and, as usual for a patent, i...
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Book and Conference Proceedings
Advances in Cryptology – EUROCRYPT 2024
43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Zurich, Switzerland, May 26–30, 2024, Proceedings, Part VII
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Article
Mathematical aspects of division property
This work surveys mathematical aspects of division property, which is a state-of-the-art technique in cryptanalysis of symmetric-key algorithms, such as authenticated encryption, block ciphers and stream ciphers....
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Chapter and Conference Paper
On Perfect Linear Approximations and Differentials over Two-Round SPNs
Recent constructions of (tweakable) block ciphers with an embedded cryptographic backdoor relied on the existence of probability-one differentials or perfect (non-)linear approximations over a reduced-round v...
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Chapter and Conference Paper
Pitfalls and Shortcomings for Decompositions and Alignment
In this paper we, for the first time, study the question under which circumstances decomposing a round function of a Substitution-Permutation Network is possible uniquely. More precisely, we provide necessary and...
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Chapter and Conference Paper
Differential Meet-In-The-Middle Cryptanalysis
In this paper we introduce the differential meet-in-the-middle framework, a new cryptanalysis technique for symmetric primitives. Our new cryptanalysis method combines techniques from both meet-in-the-middle a...
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Article
Improved Differential-Linear Attacks with Applications to ARX Ciphers
We present several improvements to the framework of differential-linear attacks with a special focus on ARX ciphers. As a demonstration of their impact, we apply them to Chaskey and ChaCha and we are able to s...
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Article
Open AccessTrims and extensions of quadratic APN functions
In this work, we study functions that can be obtained by restricting a vectorial Boolean function $$F :\mathbb {F}_{2}^n \rightarrow \mathbb {...
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Chapter and Conference Paper
New Attacks from Old Distinguishers Improved Attacks on Serpent
Serpent was originally proposed in 1998 and is one of the most studied block ciphers. In this paper we improve knowledge of its security by providing the current best attack on this cipher, which is a 12-round...
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Chapter and Conference Paper
Simon’s Algorithm and Symmetric Crypto: Generalizations and Automatized Applications
In this paper we deepen our understanding of how to apply Simon’s algorithm to break symmetric cryptographic primitives.
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Chapter and Conference Paper
Constructing and Deconstructing Intentional Weaknesses in Symmetric Ciphers
Deliberately weakened ciphers are of great interest in political discussion on law enforcement, as in the constantly recurring crypto wars, and have been put in the spotlight of academics by recent progress. A...
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Article
Modeling for Three-Subset Division Property without Unknown Subset
A division property is a generic tool to search for integral distinguishers, and automatic tools such as MILP or SAT/SMT allow us to evaluate the propagation efficiently. In the application to stream ciphers, ...
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Chapter and Conference Paper
Cryptanalysis of the GPRS Encryption Algorithms GEA-1 and GEA-2
This paper presents the first publicly available cryptanalytic attacks on the GEA-1 and GEA-2 algorithms. Instead of providing full 64-bit security, we show that the initial state of GEA-1 can be recovered from a...
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Chapter and Conference Paper
PRINCEv2
In this work, we propose tweaks to the PRINCE block cipher that help us to increase its security without changing the number of rounds or round operations. We get substantially higher security for the same comple...
