Physica Scripta,
Год журнала:
2024,
Номер
99(12), С. 125114 - 125114
Опубликована: Ноя. 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.
Modern Physics Letters A,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 23, 2024
This
study
focuses
on
semi-quantum
private
comparison
(SQPC)
protocols,
where
participants
with
limited
quantum
capabilities
compare
information
the
help
of
a
third
party
(TP).
Yan
et
al.
introduced
an
SQPC
protocol
in
2021,
but
Li
later
found
it
vulnerable
to
double
controlled
NOT
(CNOT)
operation
attacks
and
proposed
improvements.
However,
this
identifies
different
vulnerability
al.’s
—
reflecting
attack
that
allows
leakage.
Bob
can
intercept
reflect
states,
avoiding
detection
then
use
Alice’s
measurement
outcomes
pre-shared
key
access
her
confidential
information.
The
also
proposes
enhanced
method
secure
protocol.
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.
Physica Scripta,
Год журнала:
2024,
Номер
99(12), С. 125114 - 125114
Опубликована: Ноя. 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.
