| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a file encrypting/decrypting system and a file encrypting/decrypting method for automatically encrypting a file also when the file is updated by editing operation or the like. <P>SOLUTION: A specified encrypted file is read from an encrypted file storage means 3, and an encryption key used in encrypting a decrypted encrypted file is read from an encryption key storage means 5 to decrypt the encrypted file. When the file is updated, the updated file is encrypted again using the read encryption key and stored in the encrypted file storage means 3. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
