Patent ID: 8045709

Claim:
A mobile communication terminal, comprising: a Radio Frequency (RF) transceiver for wirelessly receiving from a separate server broadcasting viewing entitlement information indicating whether a user of the mobile communication terminal is entitled to view digital broadcasting; a digital broadcasting receiver for wirelessly receiving a scrambled digital broadcasting transport stream; a multimedia unit for extracting from the scrambled digital broadcasting transport stream broadcasting viewing restriction information and broadcasting viewing entitlement information, and descrambling the scrambled digital broadcasting transport stream using a decoding key; a smart card unit for generating the decoding key for descrambling the scrambled digital broadcasting transport stream, using the digital broadcasting viewing restriction information and the digital broadcasting viewing entitlement information; and a controller for transmitting to the smart card unit the broadcasting viewing restriction information and broadcasting viewing entitlement information extracted by the multimedia unit in a digital broadcasting reception mode to control the smart card unit to generate the decoding key, and transmitting to the multimedia unit the decoding key generated by the smart card unit.