Information processing equipment and IC card

An IC card having a storage memory including a program storage unit for storing a program and a data storage unit for storing data and a central processing unit for executing a predetermined process in accordance with the program to process the data, the program including one or more data process units each having a process instruction for giving an execution instruction to the central processing unit, wherein a data process order is randomly exchanged and a dummy process is added to thereby reduce the dependency of consumption current of an IC chip upon the data process.