Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Quantum state classical sequence rearrangement encrypition method in quantum key distribution

A technology of quantum key distribution and encryption method, applied in the field of quantum secure communication, which can solve problems such as long waiting time

Inactive Publication Date: 2006-10-11
TSINGHUA UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This requires a longer waiting time

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Quantum state classical sequence rearrangement encrypition method in quantum key distribution
  • Quantum state classical sequence rearrangement encrypition method in quantum key distribution
  • Quantum state classical sequence rearrangement encrypition method in quantum key distribution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0102] Principle diagram of the present invention sees Figure 4 . In the process of entangled particle transmission, the sender first modulates the quantum signal source, that is, prepares different Bell ground states and records the corresponding results; then lets the entangled particle pairs pass through the transmission sequence encryption system and according to the value of each W-bit binary number in the control code Choose different encryption methods. After receiving the entangled particle pair data group sent by the sender, the sender selects the corresponding transmission sequence decryption method according to the corresponding control code, restores the original order of the entangled particle pair, and performs Belkey ​​joint measurement to read out the sender’s sent to him Information.

[0103] In quantum key distribution, the sender and the sender determine in advance some rearrangement methods for the particle transmission order in the entangled particle sy...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The quantum state classical order rearrangement encryption method in quantum key distribution belongs to the field of quantum cryptography communication technology, and is characterized in that: it is a kind of coherence, nonlocal Due to the unique quantum characteristics, the generation process of the quantum key is encrypted, and all the particles of the entangled system are transmitted at the same time under the condition of ensuring security, so as to increase the transmission distance and simplify the communication process; , The control system controlled by the control code at the receiver end, the sending and receiving system connected through the upper and lower channels, the corresponding transmission sequence rearrangement encryption and decryption system, the data processing system connected through the classical channel and the signal source of quantum coherence Achieved. It enables the quantum key distribution scheme based on entangled pairs to achieve the maximum capacity encoding, and the communication process is simpler; and at the same coherence time, it has a longer transmission distance than the traditional method.

Description

technical field [0001] The quantum state classical sequence rearrangement encryption method in quantum key distribution belongs to the technical field of quantum secret communication. Background technique [0002] Quantum cryptography communication is an interdisciplinary subject developed in the last two decades. Different from traditional cryptography, quantum cryptography communication is the product of the combination of cryptography and quantum mechanics. It uses quantum states as information carriers and uses some principles of quantum mechanics to transmit and protect information. Usually, the two parties in the communication use the quantum state as the information carrier, use the principle of quantum mechanics, transmit through the quantum channel, and establish a shared key between the two parties in the secure communication, which is called Quantum Key Distribution (QKD). The property is determined by the "Heisenberg Uncertainty Relation" (or Uncertainty Princip...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04K1/00H04L9/00
Inventor 邓富国龙桂鲁
Owner TSINGHUA UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com