Patent ID: 9385999
Filing Date: 2016-07-05
CPC Classification: H04L,H04N

Claim Text:
1. A method to securely provide a stream of media content from a media server to a media client via a network, the method comprising: segmenting the media content to thereby create a plurality of media segments that are each identified in a playlist; encrypting at least some of the media segments using a plurality of different cryptographic keys, wherein each of the plurality of different cryptographic keys is identified in the playlist by a uniform resource locator (URL) associated with the cryptographic key; receiving an authentication credential at the media server, wherein the authentication credential is generated by an account server that is separate from the media server; in response to a successful verification of the authentication credential, providing the playlist from the media server to the media client via the network; and in response to subsequent requests that are received from the media client via the network, providing the requested media segments and the cryptographic keys from the media server via the network to thereby provide the media stream to the media client.