基于诱骗态编码与无关协议的密钥分发抗攻击方法及系统
By constructing a three-party system consisting of Alice, Bob, and Charlie, employing three dynamically tuned decoy states of varying strengths and real-time channel monitoring, and combining this with Toeplitz matrix compression, the problems of device tampering and eavesdropping were solved, achieving a balance between security and efficiency in quantum key distribution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GUIYANG BUREAU OF CHINA SOUTHERN POWER GRID CO LTD EHV TRANSMISSION CO
- Filing Date
- 2025-11-28
- Publication Date
- 2026-07-17
AI Technical Summary
Existing quantum key distribution methods have not achieved deep integration of decoy states and device-independent protocols. Device verification relies on trust assumptions, making them vulnerable to device tampering attacks. Furthermore, they lack full-dimensional channel monitoring and dynamic key processing mechanisms, making it difficult to balance security and efficiency.
A three-party system consisting of Alice, Bob, and Charlie is constructed. Through three levels of decoy states with dynamic parameter tuning, real-time channel monitoring, basis matching screening, Toeplitz matrix key compression, and cross-validation, an iterative security closed loop is formed to resist attacks and generate secure keys.
This approach eliminates the source of device tampering, enhances the sensitivity of eavesdropping detection, ensures the validity of key data, balances security and efficiency, and forms a continuous defense closed loop.
Smart Images
Figure CN121485925B_ABST