Apparatus and method for providing broadcast service in mobile communication system

A method of providing a broadcast service in a multimedia broadcast server, comprising the steps of:

• providing, to a portable terminal requesting a broadcast service, a message, indicating that the broadcast requires an authentication process, if broadcast requires the authentication process, and providing the broadcast service;
• and
• repeating the step above until a broadcast service ending request is received from the portable terminal.

A method of providing a broadcast service in a mobile communication system, comprising the steps of:

• providing the broadcast service to a portable terminal for performing an authentication process if a message which indicates that the broadcast requires the authentication process is received while using the broadcast service, for providing the broadcast service if the authentication process is successful, and for stopping the broadcast service if the authentication process fails;
• and
• providing the broadcast service to the portable terminal by a multimedia broadcast server for transmitting the message, which indicates that the broadcasting requires the authentication process, when the broadcasting requires the authentication process while the broadcast service is being provided to the portable terminal.

A computer-readable recording medium having recorded thereon a program for providing a broadcast service in a mobile communication system, comprising:

• a first segment, for providing the broadcast service to a portable terminal for performing an authentication process if a message which indicates that the broadcast requires the authentication process is received while using the broadcast service, for providing the broadcast service if the authentication process is successful, and for stopping the broadcast service if the authentication process fails;
• and
• a second segment, for providing the broadcast service to the portable terminal by a multimedia broadcast server for transmitting the message, which indicates that the broadcasting requires the authentication process, when the broadcasting requires the authentication process while the broadcast service is being provided to the portable terminal.