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.

Date of Patent:
Jun. 24, 2003

Filed:

Feb. 24, 1997
Applicant:
Inventors:

Hiroaki Kikuchi, Sagamihara, JP;

Yasutsugu Kuroda, Kawasaki, JP;

Hideyuki Aikawa, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 ; H04L 9/12 ; G06F 1/5167 ;
U.S. Cl.
CPC ...
H04L 9/08 ; H04L 9/12 ; G06F 1/5167 ;
Abstract

A user support system for cryptographic communication includes a key storage unit for storing keys used for deciphering, a deciphering unit for deciphering an enciphered communication text into a deciphered communication text using a key, and a controller for starting the deciphering unit. only when an input communication text is the enciphered communication text, and for supplying the keys that is necessary for the deciphering in the deciphering unit, by retrieving the key from the key storage.


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