Encrypted Media Extensions HDCP Version Registry

W3C Registry Draft

More details about this document
This version:
https://www.w3.org/TR/2025/DRY-eme-hdcp-version-registry-20251202/
Latest published version:
https://www.w3.org/TR/eme-hdcp-version-registry/
Latest editor's draft:
https://w3c.github.io/encrypted-media/hdcp-version-registry.html
History:
https://www.w3.org/standards/history/eme-hdcp-version-registry/
Commit history
Editors:
Joey Parrish (Google Inc.)
Greg Freedman (Netflix Inc.)
Feedback:
GitHub w3c/encrypted-media (pull requests, new issue, open issues)

Copyright © 2025 World Wide Web Consortium. W3C® liability, trademark and permissive document license rules apply.

Abstract

This registry defines the set of High-bandwidth Digital Content Protection (HDCP) versions used with the Encrypted Media Extensions getStatusForPolicy method [ENCRYPTED-MEDIA].

This registry is non-normative.

Status of This Document

This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C standards and drafts index.

This document was published by the Media Working Group as a Registry Draft using the Registry track.

Publication as a Registry Draft does not imply endorsement by W3C and its Members.

This is a draft document and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to cite this document as other than a work in progress.

The W3C Patent Policy does not carry any licensing requirements or commitments on this document.

This document is governed by the 18 August 2025 W3C Process Document.

1. Organization

This registry maintains a mapping between HDCP version strings and HDCP specifications as described below.

2. Registration Entry Requirements

  1. Each entry must include a unique HDCP version number, as a string.
  2. Each entry must include reference to the specification(s) for the HDCP version, with a link if the specification(s) are publicly available.
  3. Candidate entries must be announced by filing an issue in the Encrypted Media Extensions GitHub issue tracker so they can be discussed and evaluated for compliance before being added to the registry.
  4. If the Media Working Group reaches consensus to accept the candidate, a pull request should be drafted (either by the registry editors or by the party requesting the candidate registration) to register the candidate. The registry editors will review and merge the pull request.
  5. Existing entries cannot be deleted or deprecated. They may be changed after being published through the same process as candidate entries. Possible changes include updating the link to the entry's specification.

3. Registry

Value Public Specification(s)
"1.0" [HDCP-1.0]
"1.1" [HDCP-1.1]
"1.2" [HDCP-1.2]
"1.3" [HDCP-1.3]
"1.4" [HDCP-1.4]
"2.0" [HDCP-2.0-IIA], [HDCP-2.0-WHDI]
"2.1" [HDCP-2.1-IIA]
"2.2" [HDCP-2.2-DisplayPort], [HDCP-2.2-HDBaseT], [HDCP-2.2-MHL], [HDCP-2.2-USB]
"2.3" [HDCP-2.3-DisplayPort], [HDCP-2.3-HDBaseT], [HDCP-2.3-HDMI], [HDCP-2.3-WHDI]

4. Privacy Considerations

Please refer to the Privacy section in [ENCRYPTED-MEDIA].

5. Security Considerations

Please refer to the Security section in [ENCRYPTED-MEDIA].

A. References

A.1 Informative references

[ENCRYPTED-MEDIA]
Encrypted Media Extensions. Joey Parrish; Greg Freedman. W3C. 21 August 2025. W3C Working Draft. URL: https://www.w3.org/TR/encrypted-media-2/
[HDCP-1.0]
High-bandwidth Digital Content Protection System, Revision 1.0. Digital Content Protection LLC. 17 Feburary 2000. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP10.pdf
[HDCP-1.1]
High-bandwidth Digital Content Protection System, Revision 1.1. Digital Content Protection LLC. 9 June 2003. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCPSpecificationRev1_1.pdf
[HDCP-1.2]
High-bandwidth Digital Content Protection System, Revision 1.2. Digital Content Protection LLC. 13 June 2006. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP_Specification_Rev1_2.pdf
[HDCP-1.3]
High-bandwidth Digital Content Protection System, Revision 1.3. Digital Content Protection LLC. 21 December 2006. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP_Specification%20Rev1_3_0.pdf
[HDCP-1.4]
High-bandwidth Digital Content Protection System, Revision 1.4. Digital Content Protection LLC. 8 July 2009. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20Specification%20Rev1_4_Secure.pdf
[HDCP-2.0-IIA]
High-bandwidth Digital Content Protection System: Interface Indepedent Adaptation, Revision 2.0. Digital Content Protection LLC. 23 October 2008. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20Interface%20Independent%20Adaptation%20Specification%20Rev2_0.pdf
[HDCP-2.0-WHDI]
High-bandwidth Digital Content Protection System: Mapping HDCP to WHDI, Revision 2.0. Digital Content Protection LLC. 21 October 2008. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20WHDI%20Specification%20Rev2_0%20_2_.pdf
[HDCP-2.1-IIA]
High-bandwidth Digital Content Protection System: Interface Indepedent Adaptation, Revision 2.1. Digital Content Protection LLC. 18 July 2011. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20Interface%20Independent%20Adaptation%20Specification%20Rev2_1.pdf
[HDCP-2.2-DisplayPort]
High-bandwidth Digital Content Protection System: Mapping HDCP to DisplayPort, Revision 2.2. Digital Content Protection LLC. 21 December 2012. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20DisplayPort%20Specification%20Rev2_2.pdf
[HDCP-2.2-HDBaseT]
High-bandwidth Digital Content Protection System: Mapping HDCP to HDBaseT, Revision 2.2. Digital Content Protection LLC. 1 September 2015. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20HDBaseT%20Specification%20Rev2_2.pdf
[HDCP-2.2-MHL]
High-bandwidth Digital Content Protection System: Mapping HDCP to MHL, Revision 2.2. Digital Content Protection LLC. 11 September 2013. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20MHL%20Specification%20Rev2_2.pdf
[HDCP-2.2-USB]
High-bandwidth Digital Content Protection System: Mapping HDCP to USB, Revision 2.2. Digital Content Protection LLC. 11 August 2014. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20USB%20Specification%20Rev2_2.pdf
[HDCP-2.3-DisplayPort]
High-bandwidth Digital Content Protection System: Mapping HDCP to DisplayPort, Revision 2.3. Digital Content Protection LLC. 22 January 2019. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20DisplayPort%20Specification%20Rev2_3.pdf
[HDCP-2.3-HDBaseT]
High-bandwidth Digital Content Protection System: Mapping HDCP to HDBaseT, Revision 2.3. Digital Content Protection LLC. 26 July 2019. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20HDBaseT%20Specification%20Rev2_3.pdf
[HDCP-2.3-HDMI]
High-bandwidth Digital Content Protection System: Mapping HDCP to HDMI, Revision 2.3. Digital Content Protection LLC. 28 February 2018. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20HDMI%20Specification%20Rev2_3.pdf
[HDCP-2.3-WHDI]
High-bandwidth Digital Content Protection System: Mapping HDCP to WHDI, Revision 2.3. Digital Content Protection LLC. 24 July 2018. URL: https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20WHDI%20Specification%20Rev2_3_zeev_2018_07_24.pdf