摘要
最近取得飞速发展的量子加密技术综合了量子力学原理和经典密码术,具有可证明的安全性,同时还能对窃听者的非法侵入进行检测。本文介绍了有关的量子力学理论,针对主要的量子密钥分发协议BB84进行了说明,并在此基础上提供了具体的试验模型,最后谈论了量子密码技术需要改善的一些问题。
The quantum cryptography which has made a great deal of progress , as the result of a synthesis of ideas from fundamental quantum mechanics and classical encryption, is characterized by the provable security and detection of unauthorized eavesdropping. Previously we review the relative quantum mechanics theory, then give the overall dissertation concerning the prime Quantum Key Distribution (QKD) protocol BB84 on the basis of which the laboratory - based systems are referred. The paper presents the future developing directions of quantum cryptography finally.
出处
《通信保密》
2000年第1期4-9,,13,,共7页
关键词
量子密码
量子力学
量子密钥分发
Catch 22'problem , Heisenberg uncertainty principle, polarized light, eigen-ket , non - commuting
