TSINGHUA UNIVERSITY (20240333487). METHOD AND APPARATUS FOR ENHANCING SECURITY OF QUANTUM KEY DISTRIBUTION NETWORK simplified abstract

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METHOD AND APPARATUS FOR ENHANCING SECURITY OF QUANTUM KEY DISTRIBUTION NETWORK

Organization Name

TSINGHUA UNIVERSITY

Inventor(s)

Xiongfeng Ma of Beijing (CN)

Yizhi Huang of Beijing (CN)

METHOD AND APPARATUS FOR ENHANCING SECURITY OF QUANTUM KEY DISTRIBUTION NETWORK - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240333487 titled 'METHOD AND APPARATUS FOR ENHANCING SECURITY OF QUANTUM KEY DISTRIBUTION NETWORK

Simplified Explanation

The patent application describes a method and apparatus for enhancing the security of a quantum key distribution network. This network involves nodes and relay nodes that share keys to secure communication.

  • The method involves acquiring a key, determining a seed key, generating a random string, and performing a bit operation to obtain a new key.

Key Features and Innovation

  • Enhances security of quantum key distribution networks.
  • Utilizes shared key pools between nodes for secure communication.
  • Implements algorithms to generate random strings for key generation.

Potential Applications

This technology can be applied in secure communication networks, financial transactions, and data encryption systems.

Problems Solved

  • Enhances security in quantum key distribution networks.
  • Provides a method for secure key generation and communication.

Benefits

  • Improved security in communication networks.
  • Enhanced protection for sensitive data.
  • Efficient key generation and distribution.

Commercial Applications

Title: Secure Communication Systems with Enhanced Key Distribution This technology can be used in industries such as cybersecurity, banking, and government agencies for secure communication and data protection.

Prior Art

Readers can explore prior research on quantum key distribution networks, secure communication protocols, and key generation algorithms.

Frequently Updated Research

Stay updated on advancements in quantum cryptography, secure communication technologies, and key distribution methods to enhance network security.

Questions about Quantum Key Distribution

How does quantum key distribution enhance network security?

Quantum key distribution uses quantum mechanics principles to secure communication channels, making it virtually impossible for hackers to intercept or decipher the keys.

What are the potential drawbacks of quantum key distribution technology?

While quantum key distribution offers high security, it can be complex to implement and may require specialized equipment, which can be costly for some organizations.


Original Abstract Submitted

provided are a method and an apparatus for enhancing the security of a quantum key distribution network. the quantum key distribution network includes a first node, a second node, and at least one relay node, by means of which the first node and the second node implement a first stage of quantum key distribution; the first node and the second node share a first key pool, which includes at least one key; and the method is executed on either the first node or the second node. the method includes: acquiring a first key obtained after the first stage of quantum key distribution; determining the seed key from the first key pool; generating a first random string by applying, based on the seed key, a first algorithm predetermined with a correspondent node, the first random string having a length equal to that of the first key; and acquiring a second key by performing a preset first bit operation on the first key and the first random string.