Publications related to Some Cryptanalytic Results on Lizard

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Clever Arbiters Versus Malicious Adversaries

Serge Vaudenay

When moving from known-input security to chosen-input security, some generic attacks sometimes become possible and must be discarded by a specific set of rules in the threat model. Similarly, common practices consist of fixing security systems, once an exp ...

Springer Berlin Heidelberg2016

DES S-box generator

Serge Vaudenay, Lauren De Meyer

The Data Encryption Standard (DES) is a cryptographic algorithm, designed by IBM, that was selected to be the national standard in 1977 by the National Bureau of Standards. The algorithm itself was entirely published but the design criteria were kept secre ...

Taylor & Francis Inc2016

Cryptanalysis of a Homomorphic Encryption Scheme

Serge Vaudenay, Sonia Mihaela Bogos, John Gaspoz

Homomorphic encryption allows to make specific operations on private data which stays encrypted. While applications such as cloud computing require to have a practical solution, the encryption scheme must be secure. In this article, we detail and analyze i ...

2016

Authenticated Encryption with Variable Stretch

Serge Vaudenay, Damian Vizár, Reza Reyhanitabar

In conventional authenticated-encryption (AE) schemes, the ciphertext expansion, a.k.a.stretch or tag length, is a constant or a parameter of the scheme that must be fixed per key. However, using variable-length tags per key can be desirable in practice or ...

Springer-Verlag Berlin2016

Protecting against Multidimensional Linear and Truncated Differential Cryptanalysis by Decorrelation

Serge Vaudenay

The decorrelation theory provides a different point of view on the security of block cipher primitives. Results on some statistical attacks obtained in this context can support or provide new insight on the security of symmetric cryptographic primitives. I ...

Springer-Verlag Berlin2015

Tornado Attack on RC4 with Applications to WEP & WPA

Serge Vaudenay, Martin Vuagnoux, Pouyan Sepehrdad, Petr Susil

In this paper, we construct several tools for building and manipulating pools of biases in the analysis of RC4. We report extremely fast and optimized active and passive attacks against IEEE 802.11 wireless communication protocol WEP and a key recovery and ...

2015

Revisiting Iterated Attacks in the Context of Decorrelation Theory

Serge Vaudenay, Atefeh Mashatan, Asli Bay

Iterated attacks are comprised of iterating adversaries who can make d plaintext queries, in each iteration to compute a bit, and are trying to distinguish between a random cipher C and the perfect cipher C* based on all bits. Vaudenay showed that a 2d-dec ...

2014

A Lightweight Cryptographic System for Implantable Biosensors

Giovanni De Micheli, Sandro Carrara, Seyedeh Sara Ghoreishizadeh, Wayne Burleson, Tolga Yalçin

This paper presents a lightweight cryptographic system integrated onto a multi-function implantable biosensor prototype. The resulting heterogeneous system provides a unique and fundamental capability by immediately encrypting and signing the sensor data u ...

2014

Some Cryptanalytic Results on Lizard

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Clever Arbiters Versus Malicious Adversaries

DES S-box generator

Cryptanalysis of a Homomorphic Encryption Scheme

Authenticated Encryption with Variable Stretch

Algebraic Cryptanalysis of Deterministic Symmetric Encryption

Protecting against Multidimensional Linear and Truncated Differential Cryptanalysis by Decorrelation

Efficient Recursive Diffusion Layers for Block Ciphers, and Hash Functions

Tornado Attack on RC4 with Applications to WEP & WPA

Revisiting Iterated Attacks in the Context of Decorrelation Theory

A Lightweight Cryptographic System for Implantable Biosensors

Clever Arbiters Versus Malicious Adversaries

Efficient Recursive Diffusion Layers for Block Ciphers, and Hash Functions

DES S-box generator

Cryptanalysis of a Homomorphic Encryption Scheme

Authenticated Encryption with Variable Stretch

Algebraic Cryptanalysis of Deterministic Symmetric Encryption

Protecting against Multidimensional Linear and Truncated Differential Cryptanalysis by Decorrelation

Tornado Attack on RC4 with Applications to WEP & WPA

Revisiting Iterated Attacks in the Context of Decorrelation Theory

A Lightweight Cryptographic System for Implantable Biosensors