| 利用非最大纠缠态的量子信息隐藏方案 |
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| 引用本文： | 李晓宇.利用非最大纠缠态的量子信息隐藏方案[J].黑龙江科技学院学报,2006,16(2):127-130. |
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| 作者姓名： | 李晓宇 |
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| 作者单位： | 郑州大学,信息工程学院,河南,郑州,450052 |
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| 摘 要： | 为保证信息安全,提出了一种利用非最大纠缠态的量子信息隐藏方案.该方案建立在双粒子量子系统纠缠态的非定域性质的基础上,信息被编码于双粒子系统的整体态,然后,这两个粒子分配给两个人,他们只允许做定域操作而且彼此之间只能交换经典信息.这样,信息就被隐藏起来.相对于使用最大纠缠态的方案,该方案更容易实现.研究结果证明:该方案可以被用于网络上保存秘密信息.
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| 关 键 词： | 密码学 量子信息隐藏 非最大纠缠态 编码 安全 |
| 文章编号： | 1671-0118（2006）02-0127-04 |
| 收稿时间： | 2006-03-19 |
| 修稿时间： | 2006-03-19 |
Quantum information hiding scheme using non-maximally entangled states |
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| LI Xiaoyu.Quantum information hiding scheme using non-maximally entangled states[J].Journal of Heilongjiang Institute of Science and Technology,2006,16(2):127-130. |
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| Authors: | LI Xiaoyu |
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| Institution: | College of Information Engineering, Zhengzhou University, Zhengzhou 450052, China |
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| Abstract: | Quantum cryptography is an active field of modern computer science.Quantum information hiding is an important problem in quantum cryptography.The scheme based on the non-locality of non-maximally entangled states in a two-particle quantum system.Involves coding information in a integral state of the two-particle system in which the two particles are distributed to two persons who are only allowed to perform local operations and classical communications so that the origin information is hidden and it's impossible for two persons to recover it.This paper provides a quantum data hiding scheme using non-maximally entangled states.It's easier to carry out in relative to schemes using maximally entangled states.It is shown that the protocol is more secure and tends to offer a detailed procedure to hide data in computers and the protocol may be useful to keeping secret in network. |
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| Keywords: | cryptography quantum information hiding non-maximally entangled states coding security |
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