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. 19, 2013
Filed:
Nov. 25, 2009
Hideaki Ishii, Fukuoka, JP;
Taizo Anan, Kawasaki, JP;
Kensuke Kuraki, Kawasaki, JP;
Shohei Nakagata, Kawasaki, JP;
Hideaki Ishii, Fukuoka, JP;
Taizo Anan, Kawasaki, JP;
Kensuke Kuraki, Kawasaki, JP;
Shohei Nakagata, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
Input data is converted into an image, and in the input image, an encryption region that is a region in which the image is to be encrypted. Meanwhile, on the basis of an encryption key, encryption key-related information that is information related to the encryption key is generated, and the encryption key-related information is embedded into the image in the encryption region, to generate a first intermediate image. Next, the first intermediate image is converted on the basis of the encryption key, to generate a second intermediate image. Then, the pixel values of the second intermediate image are converted so that the position of the encryption region can be specified. As a result of the conversion, an encrypted image in which the part corresponding to the encryption region in the input image is generated.