| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a file system for requiring no program list, prohibiting any access from a program infected by a virus program, and requiring no complicated input of password. <P>SOLUTION: In the file system, an encryption key is generated on the basis of a unique identifier of electronic information equipment, and a file is encrypted with the generated encryption key, and the encrypted file is stored in a storage device. Also, in reading the encrypted file from the storage device, the encryption key is regenerated on the basis of the unique identifier of the electronic information equipment, and the encrypted file is decrypted with the encryption key, and the encrypted file is decoded. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
