Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(12), P. 125114 - 125114
Published: Nov. 4, 2024
Abstract
Semi-quantum
private
comparison
allows
multiple
‘classical’
users
who
have
restricted
quantum
capabilities
to
compare
their
data
with
the
assistance
of
a
third
party.
In
this
work,
we
propose
novel
dynamic
semi-quantum
protocol
using
circular
transmission
mode
along
d
-dimensional
single-particle
states.
The
enables
size
relations
among
several
users,
while
party
can
only
determine
relative
sizes
without
accessing
users’
secret
information.
Security
evaluations
demonstrate
that
designed
withstands
typical
external
and
internal
attacks.
Compared
previous
works,
offers
improvements:
first,
it
supports
addition
or
removal
enhancing
applicability
in
practical
scenarios;
second,
eliminates
need
for
pre-shared
keys,
reducing
resource
consumption;
third,
avoids
use
high-dimensional
multi-particle
entangled
states,
thereby
feasibility
implementation.
Therefore,
proposed
may
more
potential
compared
protocols.
Laser Physics Letters,
Journal Year:
2024,
Volume and Issue:
21(5), P. 055209 - 055209
Published: April 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,
Journal Year:
2024,
Volume and Issue:
21(3), P. 035207 - 035207
Published: Feb. 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.
Advanced Quantum Technologies,
Journal Year:
2023,
Volume and Issue:
6(8)
Published: June 7, 2023
Abstract
Based
on
the
decoherence‐free
states,
two
multi‐party
semi‐quantum
private
comparison
protocols
are
proposed
to
counteract
collective
noises.
One
can
resist
collective‐dephasing
noise
well,
and
other
collective‐rotation
noise.
With
assistance
of
a
semi‐honest
third
party
(TP),
multiple
classical
participants
with
restricted
quantum
abilities
compare
their
secret
information
by
performing
once.
It
is
manifested
that
both
external
attacks
internal
attacks.
Additionally,
operations
in
simulated
IBM
Quantum
Experience.
EPJ Quantum Technology,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: April 19, 2023
Abstract
In
this
paper,
we
utilize
d
-dimensional
Bell
states
to
construct
a
multi-party
semiquantum
private
comparison
(MSQPC)
protocol
with
two
supervisors,
which
can
determine
the
size
relationship
of
more
than
classical
users’
inputs
under
control
supervisors
within
one
round
implementation.
The
i.e.,
quantum
third
party
(TP)
and
TP,
are
both
semi-honest,
means
that
they
misbehave
at
their
own
wishes
but
not
permitted
conspire
anyone
else.
Neither
entanglement
swapping
nor
unitary
operations
required
in
proposed
MSQPC
protocol.
security
analysis
certifies
overcome
outside
attacks
participant
attacks.
Advanced Quantum Technologies,
Journal Year:
2024,
Volume and Issue:
7(7)
Published: May 26, 2024
Abstract
Quantum
secret
sharing
as
a
privacy‐preserving
scheme
necessitating
collaborative
efforts
from
all
participating
users
to
collectively
recover
encrypted
information.
This
paper
introduces
novel
dynamic
multi‐party
quantum
protocol
based
on
Bell
states,
enabling
secure
of
secrets
among
dynamically
changing
multi‐party.
The
innovatively
employs
states
combined
with
simplified
local
unitary
operations,
significantly
reducing
the
complexity
and
enhancing
scalability
practical
implementations
in
communication
systems.
Particularly,
through
simulation
using
IBM's
Qiskit
framework,
its
correctness
practicality
are
confirmed.
Security
analysis
demonstrates
that
effectively
withstands
common
attack
methods,
providing
reliability,
security
communication.
research
presents
more
flexible
efficient
solution
field
sharing.
EPJ Quantum Technology,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: March 13, 2024
Abstract
In
this
paper,
by
utilizing
d
-dimensional
single-particle
states,
three
semiquantum
cryptography
protocols,
i.e.,
the
multi-party
private
comparison
(MSQPC)
protocol,
multiplication
(MSQM)
protocol
and
summation
(MSQS)
can
be
achieved
simultaneously
under
assistance
of
two
semi-honest
quantum
third
parties
(TPs).
Here,
proposed
MSQPC
scheme
is
only
which
devoted
to
judging
size
relationship
secret
integers
from
more
than
participants
without
a
pre-shared
key.
And
MSQM
absorbs
innovative
concept
semiquantumness
into
for
first
time,
calculate
modulo
inputs
users.
As
MSQS
it
aims
accomplish
addition
users’
integers.
Neither
entanglement
swapping
nor
unitary
operations
are
necessary
in
protocols.
The
security
analysis
verifies
detail
that
both
external
attacks
internal
resisted
Physica Scripta,
Journal Year:
2023,
Volume and Issue:
98(3), P. 035011 - 035011
Published: Jan. 25, 2023
In
this
paper,
we
put
forward
a
multi-party
quantum
private
comparison
(MQPC)
protocol
with
two
semi-honest
third
parties
(TPs)
by
adopting
d-dimensional
Bell
states,
which
can
judge
the
size
relationship
of
integers
from
more
than
users
within
one
execution
protocol.
Each
TP
is
permitted
to
misbehave
on
her
own
but
cannot
collude
others.
proposed
MQPC
protocol,
TPs
are
only
required
apply
single-particle
measurements
rather
state
measurements.
There
no
entanglement
swapping
and
unitary
operations
in
The
security
analysis
validates
that
resist
both
outside
attacks
participant
attacks.
adaptive
for
case
want
compare
their
under
control
supervisors.
Furthermore,
be
used
strange
user
environment,
because
there
not
any
communication
pre-shared
key
between
each
pair
users.
Advanced Quantum Technologies,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Abstract
A
new
multi‐party
semi‐quantum
private
comparison
protocol
of
size
relation
is
designed
based
on
d
‐level
GHZ
states.
Multiple
classical
participants
could
compare
their
privacies
while
keeping
them
secure
under
an
ideal
environment.
Compared
with
some
similar
protocols,
the
in
do
not
need
to
prepare
and
measure
quantum
Besides,
qubit
efficiency
reaches
33.33%.
It
demonstrated
that
output
result
proposed
correct.
Finally,
security
analysis
manifests
behaves
well
withstanding
intercept‐resend
attack,
measure‐resend
entanglement
Trojan
horse
so
on.
