| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the problem that, in an encryption system operating integrally with a computer system, unencrypted data remain on a cache. <P>SOLUTION: The encryption system with a function of automatically encrypting a file to be saved in a predetermined folder of a computer system having an operation system and a memory device (hard disk), comprises a cashe memory invalidation step for invalidating or rewriting cashe data attached to a file to be encrypted, which is held on a cashe memory managed by the computer system, in accordance with the switching between ON and OFF of the encryption processing function. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
