This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The MediaKeySystemAccess interface of the EncryptedMediaExtensions 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 DOMString identifying the key system being used.


Returns a Promise that resolves to a new MediaKeys object.
Returns a MediaKeySystemConfiguration object with the supported combination of configuration options.


Specification Status Comment
Encrypted Media Extensions
The definition of 'MediaKeySystemAccess' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support42 Yes ? ? ? ?
keySystem4213 ? ? ? ?
createMediaKeys4213 ? ? ? ?
getConfiguration4213 ? ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support4342 Yes ? ? ?4.0
keySystem4342 Yes ? ? ?4.0
createMediaKeys4342 Yes ? ? ?4.0
getConfiguration4342 Yes ? ? ?4.0

Document Tags and Contributors

Contributors to this page: fscholz, libbymc, Sebastianz, jpmedley, kscarfone
Last updated by: fscholz,