Welcome to Cascade-Python’s documentation.

An implementation of the Cascade QKD information reconciliation protocol by Bruno Rijsman

See also:

• Blogpost on Cascade

• C++ implementation of Cascade

Contents:

• Introduction.
  • What is in this GitHub repository?
  • The broader context.
  • The pan-European quantum Internet hackathon.
  • The OpenSSL integration challenge.
  • Integration of OpenSSL with the stub ETSI QKD API.
  • Python implementation of BB84 on SimulaQron.
  • Python implementation of Cascade.
  • C++ implementation of Cascade.
  • Next steps.
• The Cascade information reconciliation protocol.
  • Quantum key distribution (QKD) protocols.
  • Key bit errors (noise).
  • Classical post-processing.
  • The Cascade protocol.
  • Cascade as a client-server protocol.
  • The classical channel.
  • Input and output of the Cascade protocol.
  • Cascade Iterations.
  • Key shuffling.
  • Creation of the top-level blocks.
  • Detecting and correcting bit errors in each block.
  • Computing the error parity for each top-level block: even or odd.
  • Correcting a single bit error in top-level blocks with an odd number of bits.
  • The Binary algorithm.
  • What about the remaining errors after correcting a single bit error?
  • The role of shuffling in error correction.
  • The Cascade effect.
  • Parallelization and bulking.
  • Information Leakage and Privacy Amplification.
  • Efficiency.
  • Channel uses.
  • Variations on the Cascade Protocol.
• Raw Comparison of Results with Literature.
  • Comparison with “Demystifying the Information Reconciliation Protocol Cascade”
  • Comparison with “André Reis Thesis”
• Conclusions from Comparison of Results with Literature.
  • Less detail.
  • Standard deviation.
  • Differences in the detailed shape of the channel use graph.
  • Channel use graph for Cascade opt. (2) is different.
• Further reading.
  • Papers.
  • Thesis.
  • Implementations.

Indices and tables

• Index

• Module Index

• Search Page