Multi-Party Quantum Key Agreement with Four-Qubit Cluster States Immune to Collusive Attack
International Journal of Theoretical Physics,
Год журнала:
2024,
Номер
63(2)
Опубликована: Фев. 16, 2024
Язык: Английский
A quantum solution to blind millionaire problem with only single-particle states
Kunchi Hou,
Huixin Sun,
Yao Yao
и другие.
EPJ Quantum Technology,
Год журнала:
2025,
Номер
12(1)
Опубликована: Янв. 23, 2025
Язык: Английский
Mutual authentication quantum key agreement protocol with single-particle measurement
Frontiers in Physics,
Год журнала:
2025,
Номер
13
Опубликована: Март 25, 2025
In
this
paper,
a
mutual
authentication
quantum
key
agreement
protocol
with
single-particle
measurement
is
proposed.
The
participants
can
authenticate
each
other’s
identity
through
their
secret
information
and
the
entanglement
property
of
Bell
states.
After
phase,
negotiate
private
equal
contribution.
We
prove
that
proposed
scheme
unconditional
security.
comparison
to
previous
protocols,
method
utilizes
states
as
resource
in
both
stages.
It
requires
without
need
for
measurements
or
involvement
trusted
semi-trusted
other
participants.
Additionally,
our
demonstrates
significant
advantages
terms
qubit
efficiency.
Язык: Английский
Single-State Multi-Party Quantum Key Agreement with Single-Particle Measurement
Entropy,
Год журнала:
2025,
Номер
27(4), С. 405 - 405
Опубликована: Апрель 10, 2025
In
this
study,
we
propose
a
single-state
multi-party
quantum
key
agreement
(MQKA)
protocol
with
single-particle
measurement.
Firstly,
three-party
measurement
is
introduced,
followed
by
security
analysis
that
validated
its
capability
to
resist
potential
internal
and
external
attacks.
Furthermore,
utilize
multi-particle
entangled
states
present
version
of
the
comparison
previous
MQKA
protocols,
our
approach
presents
following
advantages:
it
employs
one
kind
state
as
resource;
eliminates
need
for
entanglement
swapping
techniques,
unitary
operations,
or
pre-shared
keys
between
participants;
uses
only
X
basis
Z
basis;
transmits
fewer
qubits;
consumes
has
higher
qubit
efficiency.
Язык: Английский
Authenticated quantum key agreement based on cluster states against collective noise
Physica Scripta,
Год журнала:
2024,
Номер
99(7), С. 075104 - 075104
Опубликована: Май 28, 2024
Abstract
Quantum
key
agreement
(QKA)
is
an
important
branch
of
quantum
cryptography.
Particles
are
easily
affected
by
noise
in
channel
transmission,
which
provides
a
cover
for
eavesdropper
Eve
to
attack
maliciously
and
eventually
leads
the
protocol
failure.
In
this
paper,
based
on
properties
four-particle
cluster
states
their
entanglement
swapping,
two
authenticated
two-party
QKA
protocols
that
can
resist
collective
(collective-dephasing
collective-rotation
noise)
using
CZ,
CNOT,
Pauli
operations
designed,
respectively.
Besides,
both
parties
authenticate
each
other’s
identities,
makes
our
more
secure.
addition,
security
analysis
shows
these
various
attacks
from
inside
outside,
such
as
participant
entangle-measure
attacks.
Язык: Английский