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:
Nov. 15, 2005
Filed:
Mar. 19, 2001
Applicants:
Kiyohiro Obara, Hachioji, JP;
Hisashi Takamatsu, Odawara, JP;
Masafumi Nozawa, Odawara, JP;
Takashi Oeda, Sagamihara, JP;
Noboru Morishita, Yokohama, JP;
Inventors:
Kiyohiro Obara, Hachioji, JP;
Hisashi Takamatsu, Odawara, JP;
Masafumi Nozawa, Odawara, JP;
Takashi Oeda, Sagamihara, JP;
Noboru Morishita, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L009/00 ;
U.S. Cl.
CPC ...
Abstract
A computing system and encryption/decryption method realizes assurance of security and improvement of throughput in a remote system. For this purpose, encrypted data is written to a storage system, it is determined whether data in the storage system is ciphertext or plaintext, and encrypted data is read, decrypted and re-written in storage asyncronously with writing encrypted data to storage.