弹性光信息网络中考虑节点安全性的量子密钥分配研究

Research on Quantum Key Distribution Considering Node Security in Elastic Optical Information Network

量子密钥的分配方法是量子保密通信领域中最具有发现潜能的分支技术,是量子力学与密码学相互结合的产物,其无条件的安全性受到了该领域研究人员的高度关注。通过开展弹性光信息网络中考虑节点安全性的量子密钥分配研究,从多量子密钥之间的纠缠交换、弹性光信息网络用户身份验证以及基于节点安全性的已知攻击量子密钥分配方案确定3方面提出一种新的量子密钥分配方法。通过实验证明,该方法与传统分配方法相比可有效提高对量子资源的有效利用率,并保证了信息在网络环境中的安全传输。

Quantum key distribution method is the branch technology with the most discovery potential in the field of quantum secure communication.It is the product of the combination of quantum mechanics and cryptography.Its unconditional security has attracted great attention from researchers in this field.By carrying out research on quantum key distribution considering the security of nodes in flexible optical information networks,it is determined from the entanglement exchange between multiple quantum keys,user authentication of flexible optical information networks,and quantum key distribution schemes for known attacks based on node security.Three aspects propose a new quantum key distribution method.Experiments show that compared with the traditional distribution method,this method can effectively improve the effective utilization of quantum resources,and ensure the safety of information transmission in the network environment.