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Symbolic Security Criteria for Blockwise Adaptive Secure Modes of Encryption
Modes of encryption symbolic analysis
2017/11/28
Symbolic methods for reasoning about the security of cryptographic systems have for some time concentrated mainly on protocols. More recently, however, we see a rising interest in the use of symbolic ...
Symbolic Security Criteria for Blockwise Adaptive Secure Modes of Encryption
Modes of encryption symbolic analysis
2017/11/28
Symbolic methods for reasoning about the security of cryptographic systems have for some time concentrated mainly on protocols. More recently, however, we see a rising interest in the use of symbolic ...
Improving the lower bound on the maximum nonlinearity of 1-resilient Boolean functions and designing functions satisfying all cryptographic criteria
Boolean functions nonlinearity resiliency algebraic immunity
2016/12/8
In this paper, we improve the lower bound on the maximum nonlinearity of 1-
resilient Boolean functions, for n even, by proposing a method of constructing this
class of functions attaining the best ...
Invariant Subspace Attack Against Midori64 and The Resistance Criteria for S-box Designs
Midori Block Cipher Invariant Subspace Attack
2016/12/8
We present an invariant subspace attack on the block cipher Midori64, proposed at Asiacrypt 2015. Our analysis shows that Midori64 has a class of 2^{32} weak keys. Under any such key, the cipher can b...
Optimizing S-box Implementations for Several Criteria using SAT Solvers
S-box SAT solvers implementation optimization
2016/2/25
We explore the feasibility of applying SAT solvers to optimizing
implementations of small functions such as S-boxes for multiple
optimization criteria, e.g., the number of nonlinear gates and the nu...
Generalization of Statistical Criteria for Sboxes
Linear Crytptanaslysis Differential Cryptanalysis Differential-Linear Cryptanalysis
2016/1/4
Linear and differential cryptanalysis and their generalizations are
the most important tools in statistical analysis of symmetric ciphers. These
attacks make use of linear and differential propertie...
On Reverse-Engineering S-Boxes with Hidden Design Criteria or Structure
S-box design criteria Skipjack linearity
2015/12/22
S-Boxes are the key components of many cryptographic primitives and designing them to improve resilience to attacks such as linear or differential cryptanalysis is well understood. In this paper, we i...
New balanced Boolean functions satisfying all the main cryptographic criteria
Algebraic attack Boolean function Stream cipher
2009/6/5
We study an infinite class of functions which provably achieve an optimum algebraic
immunity, an optimum algebraic degree and a good nonlinearity. We checked
that it has also a good behavior against...
Construction of Perfect Nonlinear and Maximally Nonlinear Multi-Output Boolean Functions Satisfying Higher Order Strict Avalanche Criteria
Perfect Nonlinear Maximally Nonlinear Multi-Output Boolean Functions Strict Avalanche Criteria
2009/4/10
Construction of Perfect Nonlinear and Maximally Nonlinear Multi-Output Boolean Functions Satisfying Higher Order Strict Avalanche Criteria.
Note on Design Criteria for Rainbow-Type Multivariates
Design Criteria Rainbow-Type Multivariates
2008/12/17
This was a short note that deals with the design of Rainbow or “stagewise unbalanced
oil-and-vinegar” multivariate signature schemes. We exhibit new cryptanalysis for current
schemes that relates to...
Divisibility of the Hamming Weight by 2k and Monomial Criteria for Boolean Functions
boolean functions Hamming weight algebraic normal form coding theory
2008/11/24
In this paper we consider the notions of the Hamming weight and the
algebraic normal form. We solve an open problem devoted to checking divisibility of
the weight by 2k. We generalize the criterion ...