| 主权项 |
1. A method, comprising:
sending, via a network, an authentication request from a device to a session management server; receiving a token from the session management server if the device authenticates successfully, wherein the token includes a list of channels to which the device is authorized access; tuning, by the device, to a channel, of the listed channels, on the network; retrieving, via the tuned channel, a network address for a streaming media playlist file; obtaining, using the network address, the streaming media playlist file from a content delivery server; sending the token to a key server for token validation; receiving a decryption key from the key server if the token validates successfully; requesting, from the content delivery server, a first streaming media segment file identified in the playlist file; receiving the first streaming media segment file from the content delivery server in an encrypted form; and decrypting the first streaming media segment file using the decryption key. |
