The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 2000
Filed:
Oct. 28, 1996
Ichiro Ote, Chigasaki, JP;
Kazunori Iwabuchi, Yokohama, JP;
Hiroaki Washimi, Chigasaki, JP;
Hiroshi Furukawa, Yokohama, JP;
Masahito Sumitomo, Atsugi, JP;
Yuuichi Kobayashi, Kawasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An end-user oriented, file encryption control apparatus and method involving simple manipulations. File encryption is performed by conducting intuitive drag and drop manipulation with respect to an icon modeled after a safe. From the password for user authentication, an encryption key used for file encryption and decryption is automatically generated. All manipulations concerning the encryption key are concealed from users. A user interface section for performing encryption and decryption by conducting intuitive drag and drop manipulation with respect to an icon modeled after a safe, an automatic encryption key generation section for automatically generating an encryption key from a password, and a file encryption processing section for conducting file encryption processing without conducting authentication using a password are included. A file encryption function excellent in manipulation convenience is thus provided.