Type Property


Specifies a nonce to be included in the secure server playback context (SPC) in order to prevent replay attacks.



This value is specified as as a 8-byte NSData object. If this value is not specified, a default server challenge of 0 is assumed.

See Also

Server Playback Context Options

static let protocolVersions: AVContentKeySessionServerPlaybackContextOption

Specifies the versions of the content protection protocol supported by the application.