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MediaKeySystemAccess

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨March 2019⁩.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The MediaKeySystemAccess interface of the Encrypted Media Extensions API provides access to a Key System for decryption and/or a content protection provider. You can request an instance of this object using the Navigator.requestMediaKeySystemAccess() method.

MediaKeySystemAccess.keySystem Read only: Returns a string identifying the key system being used.

MediaKeySystemAccess.createMediaKeys(): Returns a Promise that resolves to a new MediaKeys object.
MediaKeySystemAccess.getConfiguration(): Returns an object with the supported combination of configuration options.

Specification
Encrypted Media Extensions> # mediakeysystemaccess-interface>

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`MediaKeySystemAccess`	42	13	38	29	12.1	42	38	29	12.2	4.0	43	12.2
`createMediaKeys`	42	13	38	29	12.1	42	38	29	12.2	4.0	43	12.2
`getConfiguration`	42	13	43 Before Firefox 50, the returned object has neither a `distinctiveIdentifier` nor a `persistentState` property.	29	12.1	42	43 Before Firefox for Android 50, the returned object has neither a `distinctiveIdentifier` nor a `persistentState` property.	29	12.2	4.0	43	12.2
`keySystem`	42	13	38	29	12.1	42	38	29	12.2	4.0	43	12.2

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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess