You can find more information about digital rights management from these sources:
AuthenticationMethod
DRMAuthenticationCompleteEvent
DRMAuthenticationErrorEvent
DRMAuthenticateEvent
DRMContentData
DRMErrorEvent
DRMManager
DRMPlaybackTimeWindow
DRMStatusEvent
DRMVoucher
LoadVoucherSetting
NetStream
Adobe AIR Developer Connection for Flex (search for ‘digital rights management’ or ‘drm’)
