利用贝尔测量的高效量子密钥分配协议

基金项目:

国家自然科学基金资助项目(90612010);河南省自然科学基金资助项目(0611052800)

详细信息

Efficient Quantum Key Distribution Scheme Using the Bell State Measurement

1.
College of Computer Science and Technology,Xuchang University Xuchang Henan 461000;
2.
College of Information Engineering,Zhengzhou University Zhengzhou 450052

摘要: 提出了一个建立在EPR关联之上的量子密钥分配协议。通信双方通过交换量子位和贝尔测量建立起共享的密钥,没有第三方可以窃取密钥而不被发现,因此该协议是安全的;该协议也是高效的,除了少数用作检错的量子位之外,所有的量子位都对密钥有贡献。
- 量子密码学 /
- 量子密钥分配 /
- EPR对 /
- 贝尔测量
Abstract: This paper provides a quantum key distribution protocol based on the correlations of Einstein-Podolsky-Rosen (EPR) pairs. The two parties establish the key by exchanging qubits and performing the Bell state measurement. This protocol is proved to be secure because that no other people can get the key without being found. All qubits distribute to the key except those for error-checking. So the protocol is efficient.
- quantum cryptography /
- quantum key distribution /
- EPR pair /
- the Bell state measurement