METHOD FOR PREVENTING FROM REPRINTING THE SECURITY BAR- CORD IN MOBILE TERMINAL

A method for preventing a security bar code from being copied in a mobile terminal is provided to prevent the security bar code from being copied easily, by updating the security bar code continuously. According to a method for preventing a security bar code from being copied in a mobile terminal comprising a special function, the security bar code corresponding to the security bar code generation information is generated(207) and the special function is controlled(209), during the execution of the security function. When the security function is released, the control of the special function is released by removing the generated security bar code(213). The special function execution information is stored(217), when the special function is performed. Other security bar code generation information is generated by adding the special function execution information to the security bar code generation information(221) and a security bar code corresponding to the generated security bar code generation information is generated, when the security function is performed again(223).