Quantum broadcast communication

Quantum broadcast communication

Wang Jian;Zhang Quan;Tang Chao-Jing

【期刊名称】《中国物理：英文版》 【年(卷),期】2007(016)007

【摘要】Broadcast encryption allows the sender to securely distribute his/her secret to a dynamically changing group of users over a broadcast channel. In this paper, we just take account of a simple broadcast communication task in quantum scenario, in which the central party broadcasts his secret to multi-receiver via quantum channel. We present three quantum broadcast communication schemes. The

first

scheme

utilizes

entanglement

swapping

and

GreenbergerHorne-Zeilinger state to fulfil a task that the central party broadcasts the secret to a group of receivers who share a group key with him. In the second scheme, based on dense coding, the central party broadcasts the secret to multi-receiver,each of which shares an authentication key with him. The third scheme is a quantum broadcast communication scheme with quantum encryption, in which the central party can broadcast the secret to any subset of the legal receivers. 【总页数】10页(1868-1877)

【关键词】quantum broadcast communication;quantum secure direct communication

【作者】Wang Jian;Zhang Quan;Tang Chao-Jing

【作者单位】School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China;School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China;School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China 【正文语种】中文 【中图分类】O4 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_chinese-physics-b_thesis/0201251241446.html 【相关文献】

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