EME persistent-usage-record session

Category: Multimedia
Type: New or changed feature
Status: Removed (Chrome 86)
Intent stage: Removed

Summary

Support a new MediaKeySessionType “persistent-usage-record session”, for which the license and key(s) are not persisted and for which a record of key usage is persisted when the keys available within the session are destroyed.

Motivation

This feature can help content providers to understand how the decryption keys are used for purposes like fraud detection.

Standards & signals

Specification: https://w3c.github.io/encrypted-media/
Firefox: No signal
Safari: Shipped/Shipping
Web developers: Positive — Proposed and supported by Netflix EME spec editor
Tracking bug: https://crbug.com/1181029

Docs: https://github.com/w3c/encrypted-media/pull/462

Explainers: https://github.com/w3c/encrypted-media/pull/462

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