|
| related topics |
| {alice, bob, state} |
| {key, protocol, security} |
| {states, state, optimal} |
| {information, entropy, channel} |
| {photon, photons, single} |
| {qubit, qubits, gate} |
| {state, phys, rev} |
| {phase, path, phys} |
| {time, wave, function} |
| {operator, operators, space} |
| {bell, inequality, local} |
|
Multi-particle and High-dimension Controlled Order Rearrangement
Encryption Protocols
Ya Cao, An-Min Wang, Xiao-San Ma, Ning-bo Zhao
abstract: Based on the controlled order rearrange encryption (CORE) for quantum key
distribution using EPR pairs[Fu.G.Deng and G.L.Long Phys.Rev.A68 (2003)
042315], we propose the generalized controlled order rearrangement encryption
(GCORE) protocols of $N$ qubits and $N$ qutrits, concretely display them in the
cases using 3-qubit, 2-qutrit maximally entangled basis states. We further
indicate that our protocols will become safer with the increase of number of
particles and dimensions. Moreover, we carry out the security analysis using
quantum covariant cloning machine for the protocol using qutrits. Although the
applications of the generalized scheme need to be further studied, the GCORE
has many distinct features such as great capacity and high efficiency.
- oai_identifier:
- oai:arXiv.org:quant-ph/0701091
- categories:
- quant-ph
- doi:
- 10.1140/epjd/e2007-00237-y
- arxiv_id:
- quant-ph/0701091
- created:
- 2007-01-14
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