With
the
popularization
of
cloud
computing
model,
outsourcing
data
storage
and
services
has
become
an
indispensable
trend,
which
lead
to
related
security
privacy
protection
issues
that
have
attracted
extensive
attention
in
industry.
Fully
homomorphic
encryption,
as
encryption
technology
can
process
ciphertext
information
without
exposing
plaintext
information,
natural
user
characteristics.
Meanwhile,
excellent
quantum-resistant
performance
properties
lattice
ciphers
made
lattice-based
schemes
a
much-attend
research
hotspot
field
cryptography
recent
years.
In
this
paper
we
mainly
introduce
status
all-pass
several
typical
references
for
all-homomorphic
cryptography.
IEEE Access,
Journal Year:
2022,
Volume and Issue:
10, P. 30039 - 30054
Published: Jan. 1, 2022
Fully
homomorphic
encryption
(FHE)
is
a
prospective
tool
for
privacy-preserving
machine
learning
(PPML).
Several
PPML
models
have
been
proposed
based
on
various
FHE
schemes
and
approaches.
Although
are
suitable
as
tools
implementing
models,
previous
FHE,
such
CryptoNet,
SEALion,
CryptoDL,
limited
to
simple
nonstandard
types
of
models;
they
not
proven
be
efficient
accurate
with
more
practical
advanced
datasets.
Previous
replaced
non-arithmetic
activation
functions
arithmetic
instead
adopting
approximation
methods
did
use
bootstrapping,
which
enables
continuous
evaluations.
Thus,
could
neither
standard
nor
employ
large
numbers
layers.
In
this
work,
we
first
implement
the
ResNet-20
model
RNS-CKKS
bootstrapping
verify
implemented
CIFAR-10
dataset
plaintext
parameters.
Instead
replacing
functions,
state-of-the-art
evaluate
these
ReLU
Softmax,
sufficient
precision.
Further,
time,
technique
scheme
in
model,
us
an
arbitrary
deep
encrypted
data.
We
numerically
that
shows
98.43%
identical
results
original
non-encrypted
The
classification
accuracy
92.43%±2.65%,
quite
close
CNN
(91.89%).
It
takes
approximately
3
h
inference
dual
Intel
Xeon
Platinum
8280
CPU
(112
cores)
172
GB
memory.
believe
opens
possibility
applying
model.
Fully
Homomorphic
Encryption
(FHE)
is
a
powerful
cryptographic
primitive
that
enables
performing
computations
over
encrypted
data
without
having
access
to
the
secret
key.
We
introduce
OpenFHE,
new
open-source
FHE
software
library
incorporates
selected
design
ideas
from
prior
projects,
such
as
PALISADE,
HElib,
and
HEAAN,
includes
several
concepts
ideas.
The
main
features
can
be
summarized
follows:
(1)
we
assume
very
beginning
all
implemented
schemes
will
support
bootstrapping
scheme
switching;
(2)
OpenFHE
supports
multiple
hardware
acceleration
backends
using
standard
Hardware
Abstraction
Layer
(HAL);
(3)
both
user-friendly
modes,
where
maintenance
operations,
modulus
switching,
key
bootstrapping,
are
automatically
invoked
by
library,
compiler-friendly
an
external
compiler
makes
these
decisions.
This
paper
focuses
on
high-level
description
of
design,
reader
pointed
references
for
more
detailed/technical
library.
Proceedings of the IEEE,
Journal Year:
2022,
Volume and Issue:
110(10), P. 1572 - 1609
Published: Oct. 1, 2022
Data
privacy
concerns
are
increasing
significantly
in
the
context
of
Internet
Things,
cloud
services,
edge
computing,
artificial
intelligence
applications,
and
other
applications
enabled
by
next-generation
networks.
Homomorphic
encryption
addresses
challenges
enabling
multiple
operations
to
be
performed
on
encrypted
messages
without
decryption.
This
article
comprehensively
homomorphic
from
both
theoretical
practical
perspectives.
delves
into
mathematical
foundations
required
understand
fully
(
$\textsf
{FHE}$
).
It
consequently
covers
design
fundamentals
security
properties
describes
main
schemes
based
various
problems.
On
a
more
level,
this
presents
view
privacy-preserving
machine
learning
using
then
surveys
at
length
an
engineering
angle,
covering
potential
application
fog
computing
services.
also
provides
comprehensive
analysis
existing
state-of-the-art
libraries
tools,
implemented
software
hardware,
performance
thereof.
Fully
homomorphic
encryption
(FHE)
is
an
emerging
cryptographic
technology
that
guarantees
the
privacy
of
sensitive
user
data
by
enabling
direct
computations
on
encrypted
data.
Despite
security
benefits
this
approach,
FHE
associated
with
prohibitively
high
levels
computational
and
memory
overhead,
preventing
its
widespread
use
in
real-world
services.
Numerous
domain-specific
hardware
designs
have
been
proposed
to
address
issue,
but
most
them
excessive
amounts
chip
area
power,
leaving
room
for
further
improvements
terms
practicality.
2022 IEEE Symposium on Security and Privacy (SP),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 1, 2023
Principal
component
analysis
(PCA)
is
an
essential
algorithm
for
dimensionality
reduction
in
many
data
science
domains.
We
address
the
problem
of
performing
a
federated
PCA
on
private
distributed
among
multiple
providers
while
ensuring
confidentiality.
Our
solution,
SF-PCA,
end-to-end
secure
system
that
preserves
confidentiality
both
original
and
all
intermediate
results
passive-adversary
model
with
up
to
all-but-one
colluding
parties.
SF-PCA
jointly
leverages
multiparty
homomorphic
encryption,
interactive
protocols,
edge
computing
efficiently
interleave
computations
local
cleartext
operations
collectively
encrypted
data.
obtains
as
accurate
non-secure
centralized
solutions,
independently
distribution
It
scales
linearly
or
better
dataset
dimensions
number
providers.
more
precise
than
existing
approaches
approximate
solution
by
combining
results,
between
3x
250x
faster
privacy-preserving
alternatives
based
solely
computation
encryption.
work
demonstrates
practical
applicability
datasets.
Federated
Learning
is
a
distributed
machine
learning
technique
that
enables
on-device
training
without
exchanging
the
sensitive
data
over
centralized
server.
In
this
paper,
used
to
train
financial
models
on-devices
with
help
of
IoT
applications
in
or
business
systems.
This
creates
more
advanced
and
secured
models.
We
have
applied
mechanism
homomorphic
encryption
cryptographic
primitives,
including
masking
local
model
protection
prevent
any
kind
inferring
private
where
multiple
attackers
usually
find
way
inversion
reconstruction
attack.
datasets
various
sectors
as
primary
measure,
rather
than
taking
size
generally
deep
learning,
get
correct
measurement
rate
contribution
every
session
model's
global
model.
If
calculated
online
number
clients
exceeds
predetermined
threshold,
then
federated
process
will
be
continued
dropout-tolerant
plan.
The
security
study
demonstrates
suggested
solution
fulfils
privacy
requirements.
costs
computation
communication
are
also
examined
theoretically.
According
research
observations,
proposed
approach
achieved
promising
outcomes
while
assuring
preservation
when
compared
existing
schemes.