Chinese Physics B,
Год журнала:
2024,
Номер
33(11), С. 110303 - 110303
Опубликована: Авг. 27, 2024
Abstract
Currently,
all
quantum
private
comparison
protocols
based
on
two-dimensional
states
can
only
compare
equality,
via
using
high-dimensional
that
it
is
possible
to
the
size
relation
in
existing
work.
In
addition,
difficult
manipulate
under
conditions
of
information
processing,
leading
low
practicality
and
engineering
feasibility
for
comparing
relation.
Considering
this
situation,
we
propose
an
innovative
protocol.
The
proposed
protocol
make
by
exploiting
more
manageable
Bell
states,
which
significantly
enhances
its
with
current
technologies.
Simultaneously,
enables
multiple
participants
their
privacies
semi-quantum
model.
communication
process
simulated
IBM
Quantum
Experience
platform
verify
effectiveness.
Security
analysis
shows
withstand
common
attacks
while
preserving
participants.
Thus,
devised
may
provide
important
reference
implementation
protocols.
Laser Physics Letters,
Год журнала:
2024,
Номер
21(5), С. 055209 - 055209
Опубликована: Апрель 10, 2024
Abstract
Based
on
Bell
states,
a
new
semi-quantum
private
comparison
protocol
is
proposed
that
enables
two
classical
users
to
securely
compare
the
equality
of
their
information
with
aid
semi-honest
third
party.
Different
from
existing
protocols,
participants
in
presented
do
not
need
measure
and
prepare
any
quantum
state,
which
only
reduces
consumption
devices,
but
also
greatly
improves
feasibility
protocol.
Performing
different
unitary
operations
received
particles,
can
secret
information.
Besides,
devised
has
higher
qubit
efficiency
than
other
similar
counterparts,
since
two-bit
privacy
each
time
one
qubit.
Meanwhile,
after
completing
process,
all
states
could
be
reused
they
still
retain
corresponding
entanglement
property,
facilitates
recycle
resources.
Security
analyses
indicate
designed
scheme
secure
against
external
attack
internal
attack.
Moreover,
involved
our
are
simulated
IBM
Quantum
Experience
demonstrate
effectiveness
security
scheme.
Laser Physics Letters,
Год журнала:
2024,
Номер
21(3), С. 035207 - 035207
Опубликована: Фев. 2, 2024
Abstract
Semi-quantum
private
comparison
is
a
method
for
with
fewer
quantum
resources,
enabling
classical
participants
to
collaborate
semi-honest
third
party
possessing
complete
capabilities.
A
one-way
protocol
devised
only
by
unitary
operations.
The
facilitates
transmission
between
(TP)
and
in
communication,
where
the
need
perform
operations
measurement
on
transmitted
qubits.
In
addition,
do
not
require
pre-shared
keys.
It
shown
that
qubit
efficiency
of
this
12.5%.
Finally,
security
analysis
simulation
results
IBM
Quantum
Experience
demonstrate
feasibility
protocol.
IEEE Access,
Год журнала:
2024,
Номер
12, С. 23427 - 23450
Опубликована: Янв. 1, 2024
Quantum
computing
is
emerging
as
a
significant
threat
to
information
protected
by
widely
used
cryptographic
systems.
Cryptographic
methods,
once
deemed
secure
for
decades,
are
now
at
risk
of
being
compromised,
posing
massive
the
security
sensitive
data
and
communications
across
enterprises
worldwide.
As
result,
there
an
urgent
need
migrate
quantum-resistant
This
no
simple
task.
Migrating
quantum-safe
state
complex
process,
many
organisations
lack
in-house
expertise
navigate
this
transition
without
guidance.
In
paper,
we
present
comprehensive
framework
designed
assist
with
migration.
Our
outlines
essential
steps
involved
in
migration
leverages
existing
organisational
inventories.
The
facilitates
efficient
identification
assets
can
be
integrated
other
enterprise
frameworks
smoothly.
To
underscore
its
practicality
effectiveness,
have
incorporated
case
studies
that
utilise
graph-theoretic
techniques
pinpoint
assess
dependencies.
useful
prioritising
crypto-systems
replacement.
The
socialist
millionaire
problem
aims
to
compare
the
equality
of
two
inputs
from
users
while
keeping
their
undisclosed
anyone.
Quantum
private
comparison
(QPC),
whose
security
relies
on
principles
quantum
mechanics,
can
solve
this
and
achieve
information-theoretic
information
processing.
current
QPC
protocols
mainly
utilize
bitwise
XOR
operation
implement
comparison,
leading
insufficient
security.
In
paper,
we
propose
a
rotation
operation-based
protocol
problem,
which
utilizes
Bell
states
as
resources
operations
for
classical
calculations.
proposed
only
easy-to-implement
technologies
such
states,
operations,
Bell-basis
measurements,
making
it
more
practical.
analysis
demonstrates
that
our
meet
both
correctness
requirements.
Compared
with
existing
protocols,
has
improved
performance
in
terms
practicability
Advanced Quantum Technologies,
Год журнала:
2024,
Номер
7(6)
Опубликована: Май 22, 2024
Abstract
Secure
multiparty
quantum
summation,
as
a
critical
part
of
secure
computation,
plays
pivotal
role
in
the
field
cryptography.
In
this
paper,
hybrid
protocol
is
proposed
to
implement
summation
and
anonymous
ranking
simultaneously,
which
uses
‐level
two‐particle
entangled
states.
designed
protocol,
particles
are
conveyed
way
circle‐type
transmission
mode,
can
compute
sum
secret
by
analyzing
distribution
participants
associated
with
different
values.
Moreover,
random
number
sequences
be
obtained
constructing
fundamental
system
solutions,
avoids
numbers
reduces
use
resources.
According
analysis,
it
seen
that
against
known
attacks,
secrets
remain
undisclosed
throughout
protocol's
implementation.
