Extended fractional transformation based S-box and applications in medical image encryption
Multimedia Tools and Applications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 4, 2025
Язык: Английский
Secure S-box construction with 1D chaotic maps and finite field theory for block cipher encryption
Alexandria Engineering Journal,
Год журнала:
2025,
Номер
125, С. 278 - 296
Опубликована: Апрель 16, 2025
Язык: Английский
Dynamic behavior of multi-dimensional chaotic systems based on state variables and unknown parameters with applications in image encryption
Physica Scripta,
Год журнала:
2025,
Номер
100(2), С. 025222 - 025222
Опубликована: Янв. 14, 2025
Abstract
To
explore
the
impact
of
unknown
terms
and
parameters
on
chaotic
characteristics
in
systems,
this
paper
examines
effects
state
variables
parameters.
The
study
focuses
different
combinations
linear,
nonlinear,
constant
It
primarily
investigates
role
multi-order
their
application
to
system
models
varying
dimensions.
Firstly,
by
simulating
a
three-dimensional
system,
analyzes
how
nonlinear
initial
conditions
affect
system's
behavior.
Secondly,
it
evaluates
four-dimensional
combining
with
parameters,
using
tools
such
as
Lyapunov
index
diagrams,
sample
entropy,
dynamic
trajectory
plots.
Finally,
integrates
constructed
mapping
develop
two-level
key
image
encryption
thoroughly
assessing
its
security
resistance
interference.
Язык: Английский
Exploring three periodic point dynamics in $ 2 $D spatiotemporal discrete systems
AIMS Mathematics,
Год журнала:
2025,
Номер
10(3), С. 5021 - 5051
Опубликована: Янв. 1, 2025
Язык: Английский
Batch generated strongly nonlinear S-Boxes using enhanced quadratic maps
AIMS Mathematics,
Год журнала:
2025,
Номер
10(3), С. 5671 - 5695
Опубликована: Янв. 1, 2025
Язык: Английский
Group-Action-Based S-box Generation Technique for Enhanced Block Cipher Security and Robust Image Encryption Scheme
Symmetry,
Год журнала:
2024,
Номер
16(8), С. 954 - 954
Опубликована: Июль 25, 2024
Data
security
is
one
of
the
biggest
concerns
in
modern
world
due
to
advancements
technology,
and
cryptography
ensures
that
privacy,
integrity,
authenticity
such
information
are
safeguarded
today’s
digitally
connected
world.
In
this
article,
we
introduce
a
new
technique
for
construction
non-linear
components
block
ciphers.
The
proposed
S-box
generation
process
transformational
procedure
through
which
elements
finite
field
mapped
onto
highly
nonlinear
permutations.
This
transformation
achieved
series
algebraic
combinatorial
operations.
It
involves
group
actions
on
some
pairs
two
Galois
fields
create
an
initial
Pr
Sbox,
induces
rich
structure.
post
Po
derived
from
heuristic
group-based
optimization,
leads
high
nonlinearity
other
important
cryptographic
parameters.
demonstrates
resilience
against
various
attacks,
making
system
resistant
statistical
vulnerabilities.
investigation
reveals
remarkable
attributes,
including
score
112,
average
Strict
Avalanche
Criterion
0.504,
LAP
(Linear
Approximation
Probability)
0.062,
surpassing
well-established
S-boxes
exhibit
desired
properties.
novel
methodology
suggests
encouraging
approach
enhancing
framework
addition,
also
three-step
image
encryption
comprising
Row
Permutation,
Bitwise
XOR,
block-wise
substitution
using
Sbox.
These
operations
contribute
adding
more
levels
randomness,
improves
dispersion
across
cipher
makes
it
equally
intense.
Therefore,
were
able
establish
works
mitigate
cryptanalytic
attacks.
PSNR,
UACI,
MSE,
NCC,
AD,
SC,
MD,
NAE
data
comparisons
with
existing
methods
provided
prove
efficiency
algorithm.
Язык: Английский
AES S-box modification uses affine matrices exploration for increased S-box strength
Nonlinear Dynamics,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 8, 2024
Язык: Английский
Cryptanalysis of hyperchaotic S-box generation and image encryption
AIMS Mathematics,
Год журнала:
2024,
Номер
9(12), С. 36116 - 36139
Опубликована: Янв. 1, 2024
<p>Cryptography
serves
as
the
cornerstone
for
safe
communication
and
data
security
in
today's
digital
environment.
Because
they
feature
substitution
boxes,
substitution-permutation
networks
(SPNs)
are
crucial
cryptographic
algorithms
such
popular
Advanced
Encryption
Standard
(AES).
The
structure
properties
of
S-boxes
have
a
significant
impact
on
overall
systems.
This
article
aims
to
improve
through
unique
S-box
construction
methodologies.
proposed
features
by
employing
chaotic
maps
Galois
fields,
which
go
beyond
traditional
design
approaches.
were
analyzed
weaknesses
removed
strong
candidate
S-boxes.
efficiency
increasing
resilience
is
thoroughly
explored
thereby
taking
nonlinearity,
strict
avalanche
requirements,
bit
independence
constraints,
linear
approximation,
differential
approximation
into
account.
dynamic
average
scores
criteria(SAC),
nonlinearity
Bit
Independence
Criteria
(BIC
Nonlinearity),
SAC
SAC),
Linear
Approximation
Probability
(LAP)
Differential
(DAP)
111.1025,
111.1022,
0.5014,
0.5024,
111.1082,
111.0964,
0.5022,
0.0726,
0.0729
0.0214,
0.0219,
respectively.
Furthermore,
given
prevalence
images
modern
storage,
this
work
studies
seamless
incorporation
advanced
image
encryption
With
its
thorough
research,
paper
contributes
current
discussion
providing
theoretical
understandings
practical
solutions
an
era
rising
cyber
dangers
ubiquitous
connectivity.</p>
Язык: Английский