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Differential Factors: Improved Attacks on SERPENT
S-box differential factor Serpent differential-linear attack
2016/1/6
A differential attack tries to capture the round keys corresponding
to the S-boxes activated by a differential. In this work, we
show that for a fixed output difference of an S-box, it may not be po...
Three Snakes in One Hole: The First Systematic Hardware Accelerator Design for SOSEMANUK with Optional Serpent and SNOW 2.0 Modes
Cryptography Hardware Accelerator
2014/3/13
With increasing usage of hardware accelerators in modern heterogeneous System-on-Chips (SoCs), the distinction between hardware and software is no longer rigid. The domain of cryptography is no except...
Nonlinear cryptanalysis of reduced-round Serpent and metaheuristic search for S-box approximations.
secret-key cryptography / Nonlinear cryptanalysis generalized linear cryptanalysis
2013/2/21
We utilise a simulated annealing algorithm to find several nonlinear approximations to various S-boxes which can be used to replace the linear approximations in the outer rounds of existing attacks. W...
Nonlinear cryptanalysis of reduced-round Serpent and metaheuristic search for S-box approximations.
secret-key cryptography / Nonlinear cryptanalysis generalized linear cryptanalysis
2013/2/21
We utilise a simulated annealing algorithm to find several nonlinear approximations to various S-boxes which can be used to replace the linear approximations in the outer rounds of existing attacks. W...
We describe an SPA attack on an 8-bit smart card implementation of the Serpent
block cipher. Our attack uses measurements taken during an on-the-fly key expansion
together with linearity in the ciph...
Serpent is a 128-bit block cipher designed by Ross Anderson, Eli Biham and Lars Knudsen
as a candidate for the Advanced Encryption Standard (AES). It was a finalist in the AES competition.
The winne...