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:
Jan. 31, 2006
Filed:
Dec. 12, 2000
Applicants:
Yuji Seki, Kawasaki, JP;
Yusuke Kawasaki, Kawasaki, JP;
Shigeru Hashimoto, Kawasaki, JP;
Ryoichi Yanagi, Kawasaki, JP;
Inventors:
Yuji Seki, Kawasaki, JP;
Yusuke Kawasaki, Kawasaki, JP;
Shigeru Hashimoto, Kawasaki, JP;
Ryoichi Yanagi, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 9/32 (2006.01); G06F 11/30 (2006.01); G06F 12/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An encryption processor for encrypting and decrypting data that ensures data security by preventing illegal deciphering or leakage of the data. The encryption processor includes a CPU for running a program, a ROM for storing the program run by the CPU, a RAM used as a work area while the CPU is running the program, an I/O section for sending/receiving data to/from an external device, and an encryption section for decrypting encrypted data and encrypting plain text data.