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End-to-End Encrypted Messaging Protocols: An Overview

Part of the Lecture Notes in Computer Science book series (LNISA,volume 9934)

Abstract

This paper aims at giving an overview of the different core protocols used for decentralized chat and email-oriented services. This work is part of a survey of 30 projects focused on decentralized and/or end-to-end encrypted internet messaging, currently conducted in the early stages of the H2020 CAPS project NEXTLEAP.

Keywords

  • Decentralization
  • End-to-end encryption
  • Messaging
  • Protocols
  • NEXTLEAP

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Notes

  1. 1.

    https://nextleap.eu.

  2. 2.

    https://tools.ietf.org/html/rfc821.

  3. 3.

    https://tools.ietf.org/html/rfc3851.

  4. 4.

    https://tools.ietf.org/html/rfc6120#page-13.

  5. 5.

    Ibid.

  6. 6.

    http://xmpp.org/about/technology-overview.html.

  7. 7.

    https://otr.cypherpunks.ca/software.php.

  8. 8.

    And the “Matrix Console” messaging app for Android reportedly has “between 1000 and 5000 downloads”.

  9. 9.

    WhatsApp turns to end-to-end encryption by default in April 2016.

  10. 10.

    https://whispersystems.org/blog/facebook-messenger/.

  11. 11.

    https://xmpp.org/extensions/inbox/omemo.html.

  12. 12.

    http://mixminion.net/.

  13. 13.

    https://github.com/cjdelisle/cjdns/blob/master/doc/Whitepaper.md.

  14. 14.

    The full 30 case studies can be downloaded from https://nextleap.eu.

  15. 15.

    Briar, Caliopen, ChatSecure, CoverMe, CryptoCat, Equalit.ie, GData, i2P, Jitsi, Mailpile, Mailvelope, ParanoiaWorks, Patchwork, Pidgin, Pixelated, Pond, Protonmail, qTOX, Ricochet, Scramble, Signal, SilentCircle, SureSpot, Teem/SwellRT, Telegram, Threema, TorMessenger, Vuvuzela, Wickr, Wire.

References

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Correspondence to Ksenia Ermoshina .

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Ermoshina, K., Musiani, F., Halpin, H. (2016). End-to-End Encrypted Messaging Protocols: An Overview. In: , et al. Internet Science. INSCI 2016. Lecture Notes in Computer Science(), vol 9934. Springer, Cham. https://doi.org/10.1007/978-3-319-45982-0_22

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  • DOI: https://doi.org/10.1007/978-3-319-45982-0_22

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