20240039712. QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING simplified abstract (University of Central Florida Research Foundation, Inc.)

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QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING

Organization Name

University of Central Florida Research Foundation, Inc.

Inventor(s)

Salem F. Hegazy of Giza (EG)

Bahaa E. A. Saleh of Orlando FL (US)

QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240039712 titled 'QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING

Simplified Explanation

The abstract describes a quantum key distribution system that uses a transceiver with a state randomizer and a quantum bit encoder to transmit and receive encoded quantum pulses. The system includes multiple detectors to measure the return pulse at different timeslots, allowing for the detection of both genuine and faked-state pulses.

  • The system includes a transceiver with a state randomizer to transform the state of generated faint pulses.
  • The transceiver also has a quantum bit encoder to reflect the faint pulse back with encoded bits.
  • The return pulse is received through a communication channel and the state randomizer reverses the state transformation.
  • Three or more detectors measure the return pulse at different timeslots associated with possible paths.
  • Reception of the faint pulse triggers a detector in a known subset, while reception of a faked-state pulse triggers a detector in another known subset.

Potential applications of this technology:

  • Quantum key distribution for secure communication.
  • Quantum cryptography for protecting sensitive information.
  • Quantum networks for secure data transmission.

Problems solved by this technology:

  • Ensuring secure communication by detecting faked-state pulses.
  • Preventing eavesdropping and unauthorized access to sensitive information.
  • Overcoming limitations of classical encryption methods.

Benefits of this technology:

  • Enhanced security through the use of quantum properties.
  • Resistance to hacking and decryption attempts.
  • Reliable and secure transmission of sensitive data.


Original Abstract Submitted

a quantum key distribution system may include a transceiver including a state randomizer to impart a random state transformation to one or more qubits of a generated faint pulse and a quantum bit encoder to reflect the faint pulse back to the transceiver with one or more encoded bits. the transceiver may receive a return pulse through the communication channel, where the state randomizer reverses the random state transformation. the transceiver may include three or more detectors to measure the return pulse at time-gated timeslots associated with possible paths of the return pulse. reception of the faint pulse from the quantum bit encoder as the return pulse triggers a detector in a first known subset of the detectors, while reception of a faked-state pulse from a third party as the return pulse results in a non-zero probability of triggering of a detector in a second known subset of the detectors.