Quantum key agreement protocol based on BB84 |
| |
| Authors: | Song-Kong Chong Tzonelih Hwang |
| |
| Affiliation: | 1. School of Science, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;2. Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;3. Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;4. State Key Laboratory of Low-dimensional Quantum Physics, Beijing 100084, China;5. Department of Physics, Tsinghua University, Beijing 100084, China;1. College of Information Engineering, Xiangtan University, Xiangtan 411105, China;2. Department of Mathematics and Information Technology, The Education University of Hong Kong, Hong Kong;3. Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong;4. China General Technology Research Institute, Beijing 100091, China;1. Applied Statistics Unit, Indian Statistical Institute, 203 B T Road, Kolkata 700 108, India;2. Department of Computer Science and Engineering, Jadavpur University, Kolkata 700 032, India |
| |
| Abstract: | This work presents a quantum key agreement (QKA) based on the BB84 protocol. The newly proposed QKA protocol enables two involved parties to jointly establish a shared secret key in such a way that the shared secret key cannot be fully determined by one party alone. In contrast to the traditional key agreement protocols that must be based on some mathematical difficulties, the security of the newly proposed protocol is based on the quantum phenomena, which allows unconditional security as well as detection of eavesdroppers. With the technique of delayed measurement, the proposed protocol has 50% qubit efficiency. Therefore, it is very efficient and feasible for practical applications. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
