Specifications

Note

The canonical versions of the specifications live in RFC plaintext format at <https://github.com/katzenpost/docs/tree/master/specs>. Pull requests to fix formatting welcome!

• Certificate Format Specification
  • 1. Introduction
  • 2. Document Format
  • 3. Golang API
  • 4. Acknowledgments
  • Appendix A. References
  • Appendix B. Citing This Document
• Katzenpost Mix Network End-to-end Protocol Specification
  • 1. Introduction
  • 2. Mix Network Packet Format Considerations
  • 3. Client and Provider Core Protocol
  • 4. Client and Provider processing of received packets
  • 5. Sphinx Packet Composition Considerations
  • 6. E-mail Client Integration Considerations
  • 7. Client Integration Considerations
  • 8. Anonymity Considerations
  • 9. Security Considerations
  • 10. Future Work and Research
  • Appendix A. References
  • Appendix B. Citing This Document
• Katzenpost Provider-side Autoresponder Extension
  • 1. Introduction
  • 2. Extension Overview
  • 3. Agent Requirements
  • 4. PKI Extensions
  • 5. Anonymity Considerations
  • 6. Security Considerations
  • 7. Acknowledgments
  • Appendix A. References
  • Appendix B. Citing This Document
• The LIONESS Wide-Block-Cipher Specification
  • 1. Introduction
  • 2. The LIONESS Wide-Block-Cipher Construct
  • 3. LIONESS-BLAKE2b-ChaCha20
  • 4. Implementation Considerations
  • 5. Security Considerations
  • Appendix A. References
  • Appendix B. LIONESS-ChaCha20-BLAKE2b Test Vector
  • Appendix C. Citing This Document
• Katzenpost Decryption Mix Network User Interface Design
  • 1. Introduction
  • 2. System Overview
  • 3. Behavior of the SMTP submission proxy
  • 4. Behavior of the POP3 retrieval proxy
  • 5. Behavior of the e-mail client / K9mail
  • 6. Recommendations for UX in the client implementations
  • Appendix A. References
• Katzenpost Mix Network Specification
  • 1. Introduction
  • 2. System Overview
  • 3. Packet Format Overview
  • 4. Mix Node Operation
  • 5. Anonymity Considerations
  • 6. Security Considerations
  • Appendix A. References
  • Appendix B. Citing This Document
• Katzenpost Mix Network Public Key Infrastructure Specification
  • 1. Introduction
  • 2. Overview of Mix PKI Interaction
  • 3. Voting for Consensus Protocol
  • 4. PKI Protocol Data Structures
  • 5. PKI Wire Protocol
  • 6. Scalability Considerations
  • 7. Future Work
  • 8. Anonymity Considerations
  • 9. Security Considerations
  • 10. Acknowledgements
  • Appendix A. References
  • Appendix B. Citing This Document
• Sphinx Mix Network Cryptographic Packet Format Specification
  • 1. Introduction
  • 2. Cryptographic Primitives
  • 3. Sphinx Packet Parameters
  • 4. The Sphinx Cryptographic Packet Structure
  • 5. Sphinx Packet Creation
  • 6. Sphinx Packet Processing
  • 7. Single Use Reply Block (SURB) Creation
  • 8. Single Use Reply Block Replies
  • 9. Anonymity Considerations
  • 10. Security Considerations
  • Appendix A. References
  • Appendix B. Citing This Document
• Sphinx Packet Replay Detection Specification
  • 1. Introduction
  • 2. Sphinx Cryptographic Primitives
  • 3. System Overview
  • 4. Sphinx Packet Replay Cache
  • 5. Concurrent Processing of Sphinx Packet Replay Tags
  • Appendix A. References
  • Appendix B. Citing This Document
• Katzenpost Mix Network Wire Protocol Specification
  • 1. Introduction
  • 2. Core Protocol
  • 3. Predefined Commands
  • 4. Anonymity Considerations
  • 5. Security Considerations
  • 6. Acknowledgments
  • Appendix A. References
  • Appendix B. Citing This Document