| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve a problem that information such as program and data stored on an in-house computer network is always liable to alteration, theft and creation of unauthorized copy information, etc., by a person called a hacker illegally entering the in-house computer network from the outside. <P>SOLUTION: When all the pieces of information such as the program and the data stored on the in-house computer network are always stored by making them into objects, and decoded to pieces of information which are generally used in real time when they are used. Thus, an environment that only the objects are stored on the in-house computer network is constructed and the information on the in-house computer network is protected by: making alteration of the information difficult even when the person called the hacker enters illegally the in-house computer network if at all from the outside; and making illegally copied information useless for the hacker even when the information is stolen and illegally copied. <P>COPYRIGHT: (C)2004,JPO</p> |
