In one form, the present teachings provide a method and apparatus for broadcasting an event. The method includes receiving data related to an event via an uplink. Another aspect of the method includes determining whether the data is broadcast on a recurring basis. The method also includes determining whether a transponder channel associated with multiplexed program channels has any unused data or bandwidth to broadcast a portion of the data along with the multiplexed program channels. Additionally, the method includes broadcasting the portion of the data in a data stream.

Methods and apparatus to provide content on demand in content broadcast systems are disclosed. An example method comprises receiving a first portion of a program via broadcast signal and receiving a second portion of the program via an Internet protocol (IP) based signal. The example method may further comprise combining the first and the second portions and at least one of store the combined first and second portions in a file or playback the combined first and second portions.

Methods and apparatus to provide content on demand in content broadcast systems are disclosed. An example method comprises receiving a first portion of a program via broadcast signal and receiving a second portion of the program via an Internet protocol (IP) based signal. The example method may further comprise combining the first and the second portions and at least one of store the combined first and second portions in a file or playback the combined first and second portions.

Implementations of the system and method use an existing management server infrastructure to deliver video-on-demand or streaming content, including real-time live streaming. Existing client content playback devices, such as IPTVs, may be employed to stream content items, obtain advertisements, track user's viewing behaviors, and the like. By reusing existing client devices, there is no need for additional hardware purchases on the user side. By reusing existing management server infrastructures, capital expenses are also reduced. In such a system, a user can watch both video-on-demand and streaming audiovisual content.

Implementations of the system and method use an existing management server infrastructure to deliver video-on-demand or streaming content, including real-time live streaming. Existing client content playback devices, such as IPTVs, may be employed to stream content items, obtain advertisements, track user's viewing behaviors, and the like. By reusing existing client devices, there is no need for additional hardware purchases on the user side. By reusing existing management server infrastructures, capital expenses are also reduced. In such a system, a user can watch both video-on-demand and streaming audiovisual content.

Systems and methods for implementing a Transport I/O system are described. Network encrypted content may be received by a device. The device may provide the network encrypted content to a secure processor, such as, for example, a smart card. The secure processor obtains a network control word that may be used to decrypt the network encrypted content. The secure processor may decrypt the network encrypted content to produce clear content. In embodiments, the secure processor may then use a local control word to generate locally encrypted content specific to the device. The device may then receive the locally encrypted content from the secure processor and proceed to decrypt the locally encrypted content using a shared local encryption key. The Transport I/O system ensures the protection of the network control word by maintaining the network control word on the secure processor.

Systems and methods for implementing a Transport I/O system are described. Network encrypted content may be received by a device. The device may provide the network encrypted content to a secure processor, such as, for example, a smart card. The secure processor obtains a network control word that may be used to decrypt the network encrypted content. The secure processor may decrypt the network encrypted content to produce clear content. In embodiments, the secure processor may then use a local control word to generate locally encrypted content specific to the device. The device may then receive the locally encrypted content from the secure processor and proceed to decrypt the locally encrypted content using a shared local encryption key. The Transport I/O system ensures the protection of the network control word by maintaining the network control word on the secure processor.

An embodiment of a system for securing media content includes a digital media device comprising a memory associated with a secure element. The memory contains a private key and storage for at least one group key. The private key is used to decrypt transmissions from a remote access control system that are encrypted by a corresponding public key. The digital media device further comprises logic configured to respond to a first message received from the remote access control system encrypted by the public key and including a first group key, the logic responding to the first message by decrypting the first group key and storing the first group key in the memory of the secure element. The digital media device further comprises logic configured to decrypt a content key with the first group key. The content key is used to encrypt media content stored on a medium accessible by the digital media device.

An embodiment of a system for securing media content includes a digital media device comprising a memory associated with a secure element. The memory contains a private key and storage for at least one group key. The private key is used to decrypt transmissions from a remote access control system that are encrypted by a corresponding public key. The digital media device further comprises logic configured to respond to a first message received from the remote access control system encrypted by the public key and including a first group key, the logic responding to the first message by decrypting the first group key and storing the first group key in the memory of the secure element. The digital media device further comprises logic configured to decrypt a content key with the first group key. The content key is used to encrypt media content stored on a medium accessible by the digital media device.

Provided are an apparatus and a method for processing conditional access system (CAS)-based content. A method of operating a broadcast receiving apparatus includes: receiving a broadcast stream that includes content encrypted based on a CAS; extracting, from the received broadcast stream, CAS information for decrypting the encrypted content; receiving an entitlement control message (ECM) having a preset format based on the CAS information generated in a different format for each broadcasting business operator; and displaying the content decrypted based on the ECM.