Case study

castv2: reconstructing the Chromecast CASTV2 protocol

castv2 documents and implements the Chromecast CASTV2 protocol over TLS. Its Node.js client exchanges length-prefixed Protocol Buffers messages with a dongle, and its protocol notes describe namespaces, virtual connections, heartbeat messages and device authentication.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 794
Last commit: 2019-09-04
Language: JavaScript
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Node.js and a Chromecast device for client use.
Limits: The server implementation is limited by device authentication.
License: MIT license.

Cite

BibTeX

@misc{node-castv2-case,
  title = {{castv2: reconstructing the Chromecast CASTV2 protocol}},
  howpublished = {\url{https://github.com/thibauts/node-castv2}},
  url = {https://github.com/thibauts/node-castv2},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/node-castv2-case/}}
}

Plain text

castv2: reconstructing the Chromecast CASTV2 protocol. https://github.com/thibauts/node-castv2 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/node-castv2-case/

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Primary sources

README.md GitHub · thibauts/node-castv2 · Revision 41d589a