Mobile iptv service system using downloadable conditional access system and method thereof
AssigneeIntellectual Discovery Co., Ltd.
InventorsEui Nam HUH, Young Rok SHIN
Life of this patent
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Abstract
An apparatus and method associated with an Internet Protocol Television (IPTV) service in a mobile environment are provided. A streaming server may provide a mobile terminal with a mobile certificate and an encryption key. In response to a content request received from the mobile terminal, the streaming server may provide the mobile terminal with encrypted content and a Downloadable Conditional Access System (DCAS) code. The mobile terminal may decrypt the encrypted content using the encryption key and the DCAS code, and may play back the decrypted content.
Claims18
A method by which a service providing apparatus provides content to a mobile terminal, the method comprising:
- generating a mobile certificate and an encryption key;
- transmitting, to the mobile terminal, the mobile certificate and the encryption key;
- receiving, from the mobile terminal, the mobile certificate and a content request;
- generating a Downloadable Conditional Access System (DCAS) code, based on the mobile certificate;
- transmitting the DCAS code to the mobile terminal;
- and
- transmitting, to the mobile terminal, encrypted content corresponding to the content request,
- wherein the encrypted content is decrypted by the encryption key and the DCAS code.
A service providing apparatus, comprising:
- a Downloadable Conditional Access System (DCAS) unit to generate a mobile certificate and an encryption key, to transmit, to a mobile terminal, the mobile certificate and the encryption key, to receive, from the mobile terminal, the mobile certificate and a content request, to generate a DCAS code based on the mobile certificate, and to transmit the DCAS code to the mobile terminal;
- and
- a streaming service unit to transmit, to the mobile terminal, encrypted content corresponding to the content request,
- wherein the encrypted content is decrypted by the encryption key and the DCAS code.
Dependencies are inferred from the claim text.