中文

重审量子对话与双向量子安全直接通信的安全性

量子物理 2008-04-04 v2

摘要

从信息论和密码学的角度,我们分析了两种量子对话协议和一种双向量子安全直接通信 (QSDC) 协议的安全性,并指出在这些协议中传输的信息会部分泄露。也就是说,任何窃听者都可以从合法用户的公开宣告中推导出一些关于秘密的信息。这种现象在量子安全通信中本应被严格禁止。事实上,这个问题存在于相当多的近期提案中,因此,在后续的相关研究中值得给予更多的关注。

关键词

引用

@article{arxiv.0801.2420,
  title  = {Revisiting the security of quantum dialogue and bidirectional quantum secure direct communication},
  author = {Fei Gao and Fen-Zhuo Guo and Qiao-Yan Wen and Fu-Chen Zhu},
  journal= {arXiv preprint arXiv:0801.2420},
  year   = {2008}
}

备注

An authors' note was added. That is, when this study was completed, we found that the insecurity of quantum dialogue was independently pointed out by Tan and Cai (see arXiv:0802.0358)