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Differential Cryptanalysis in ARX Ciphers, Applications to LEA
Differential characteristics Nested Monte-Carlo Search ARX ciphers
2018/11/9
In this paper we focus on differential cryptanalysis dedicated to a particular class of cryptographic algorithms, namely ARX ciphers. We propose a new algorithm inspired by the Nested Monte-Carlo Sear...
MILP-Based Automatic Differential Searches for LEA and HIGHT
MILP model Differential Attack ARX ciphers
2018/11/7
In this paper we use MILP technique for automatic search for differential characteristics of ARX ciphers LEA and HIGHT. We show that the MILP model of the differential property of modular addition wit...
The distinguishing attack on Speck, Simon, Simeck, HIGHT and LEA
secret-key cryptography HIGHT
2018/1/15
The purpose of the work is to estimate the resistance of lightweight block ciphers Speck, Simon, Simeck, HIGHT, LEA to a distinguishing attack. (This attack is a form of cryptanalysis on data encrypte...
Automatic Differential Analysis of ARX Block Ciphers: with Application to SPECK and LEA
ARX SPECK LEA
2016/3/1
In this paper, we focus on the automatic differential cryptanalysis of ARX block ciphers with respect to XOR-difference, and develop Mouha et al.'s framework of finding differential characteristics by...
First Experimental Result of Power Analysis Attacks on a FPGA Implementation of LEA
power analysis attack LEA ARX
2016/1/5
The lightweight encryption algorithm (LEA) is a 128-bit block cipher introduced in 2013. It is based on Addition, rotation, XOR operations for 32-bit words. Because of its structure,it is useful for s...
Compact Implementations of LEA Block Cipher for Low-End Microprocessors
Low-power Encryption Algorithm AVR Speed Optimiza- tion
2015/12/24
In WISA’13, a novel lightweight block cipher named LEA
was released. This algorithm has certain useful features for hardware
and software implementations, i.e., simple ARX operations, non-S-box
arc...