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Quantum Algorithms for Boolean Equation Solving and Quantum Algebraic Attack on Cryptosystems
quantum algorithm Boolean equation solving quantum algebraic attac
2018/1/12
Decision of whether a Boolean equation system has a solution is an NPC problem and finding a solution is NP hard. In this paper, we present a quantum algorithm to decide whether a Boolean equation sys...
Algebraic Attack Efficiency versus S-box Representation
Algebraic cryptanalysis Small scaled AES SAT-solver
2017/2/20
Algebraic analysis of block ciphers aims at finding the secret key by solving a collection of polynomial equations that describe the internal structure of a cipher for chosen observations of plaintext...
A Probabilistic Algebraic Attack on the Grain Family of Stream Cipher
Boolean Function Grain v1 Grain-128a
2016/1/8
In 2005, Hell, Johansson and Meier submitted a stream cipher proposal named Grain
v1 to the estream call for stream cipher proposals and it also became one estream finalists in the
hardware category...
This paper presents an algebraic attack against Trivium that breaks 625 rounds using only 4096 bits of output in an overall time complexity of 242.2 Trivium computations. While other attacks can do be...
Generating S-Box Multivariate Quadratic Equation Systems And Estimating Algebraic Attack Resistance Aided By SageMath
polynomial quotient ring SAT solver Rijndael AES
2015/12/29
Methods are presented to derive with the aid of the computer
mathematics software system SageMath the Multivariate Quadratic
equation systems (MQ) for the input and output bit variables of a
crypto...
An Improved Algebraic Attack on Hamsi-256
Algebraic attacks second preimages hash functions Hamsi
2010/11/26
Hamsi is one of the $14$ second-stage candidates in NIST's SHA-3 competition. The only previous attack on this hash function was a very marginal attack on its 256-bit version published by Thomas Fuhr ...
The low degree relation for algebraic attacks on E0 combiner given in
[1] had an error. The correct version of low degree relation for the E0
combiner for use in algebraic attack is given.
PET SNAKE: A Special Purpose Architecture to Implement an Algebraic Attack in Hardware
block cipher algebraic attack cryptanalytic hardware
2009/6/15
In [19] Raddum and Semaev propose a technique to solve systems of polynomial equations
over F2 as occurring in algebraic attacks on block ciphers. This approach is known as MRHS, and
we present a sp...