18411413. IDENTITY AUTHENTICATION FOR QKD PROTOCOLS simplified abstract (Nokia Technologies Oy)

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IDENTITY AUTHENTICATION FOR QKD PROTOCOLS

Organization Name

Nokia Technologies Oy

Inventor(s)

Ludovic Noirie of Massy (FR)

Rémi Varloot of Massy (FR)

IDENTITY AUTHENTICATION FOR QKD PROTOCOLS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18411413 titled 'IDENTITY AUTHENTICATION FOR QKD PROTOCOLS

Simplified Explanation

The patent application describes a method for authentication between two parties, where one party sends randomly selected indexes to the other party, who then extracts specific data based on those indexes and sends it back for authentication.

Key Features and Innovation

  • Authentication method using randomly selected indexes
  • Extraction of specific data based on indexes
  • Encryption of data with shared secret cryptographic key
  • Error computation for authentication

Potential Applications

This technology can be applied in secure communication systems, online transactions, access control systems, and data encryption protocols.

Problems Solved

This technology addresses the need for secure and reliable authentication methods in digital communication and data exchange.

Benefits

  • Enhanced security in authentication processes
  • Efficient data exchange between parties
  • Protection against unauthorized access

Commercial Applications

The technology can be utilized in industries such as cybersecurity, financial services, healthcare, and government agencies for secure data transmission and authentication processes.

Prior Art

Researchers can explore prior art related to authentication methods, data encryption, and secure communication protocols to understand the evolution of similar technologies.

Frequently Updated Research

Researchers can stay updated on advancements in cryptography, quantum communication, and data security to enhance the authentication methods described in the patent application.

Questions about Authentication Technology

How does the encryption process work in this authentication method?

The encryption process involves using a shared secret cryptographic key to encrypt the extracted data before sending it back for authentication.

What are the potential vulnerabilities of this authentication method?

Potential vulnerabilities may include interception of data during transmission, compromise of the shared cryptographic key, or errors in the authentication process.


Original Abstract Submitted

For Bob's authentication to Alice, Alice sends to Bob randomly selected indexes via the classical channel between Alice and Bob. In response, Bob extracts, from the sequences of qubit-related data generated by Bob and based on the randomly selected indexes received from Alice, subsequences of qubit-related data (e.g. including binary axis identifiers and bit values) and Bob sends the extracted subsequences via the classical channel. At least one of sent subsequences may be encrypted with a shared secret cryptographic key. Then Alice can authenticate Bob on the basis of a number of errors computed based on the decrypted subsequences received from Bob.