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:
Jun. 11, 2013
Filed:
Jun. 23, 2008
Hideki Matsushima, Osaka, JP;
Yuichi Futa, Osaka, JP;
Hisashi Takayama, Osaka, JP;
Takayuki Ito, Osaka, JP;
Tomoyuki Haga, Nara, JP;
Taichi Sato, Kyoto, JP;
Hideki Matsushima, Osaka, JP;
Yuichi Futa, Osaka, JP;
Hisashi Takayama, Osaka, JP;
Takayuki Ito, Osaka, JP;
Tomoyuki Haga, Nara, JP;
Taichi Sato, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided is a migration system considering security authentication levels and data protection strength levels of the both security devices between which data is migrated. A first terminal includes a mechanism for protecting data by a private key in the public key method held by TPM, and a second terminal includes a key in the private key method encrypted by the private key in the public key method held by TPM and a mechanism for protecting the data by the key. A Migration Authority holds a security policy table describing a security policy and judges whether data movement from the first terminal to the second terminal is enabled according to the security policy table.