Patent ID: 8385882

Claim:
A method of receiving service data in a mobile terminal, the method comprising: requesting the service data, in the mobile terminal, using a bi-directional communication service; receiving code information, in the mobile terminal, via the bi-directional communication service, wherein the received code information is for decrypting the service data; enabling the mobile terminal to receive the service data via a broadcast transmission; receiving, in the mobile terminal, the service data via a broadcasting service, wherein the service data is encrypted, and wherein the service data is received after the receiving of the code information; and decrypting the service data using the code information in the mobile terminal, wherein the code information allows a plurality of subscribed mobile terminals to decrypt the service data and mobile terminals without the code information are restricted from decrypting the service data, and wherein the service data has an assigned order sequence used for detecting duplicate data errors associated with the service data.