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:
Sep. 06, 2022
Filed:
May. 28, 2018
Sony Corporation, Tokyo, JP;
Technical University of Denmark, Kongens Lyngby, DK;
Takanori Isobe, Tokyo, JP;
Andrey Bogdanov, Kongens Lyngby, DK;
SONY CORPORATION, Tokyo, JP;
TECHNICAL UNIVERSITY OF DENMARK, Kgs. Lyngby, DK;
Abstract
There is provided an encryption device to ensure strong security without using a random number in a white-box model. The encryption device includes: an encryption part configured to encrypt an input value using a black-box model in which input/output values are able to be recognized from the outside and an intermediate value is not able to be recognized from the outside; and a key generation part configured to encrypt the input value to the encryption part to generate a cryptographic key of the encryption part using a white-box model in which the input/output value and the intermediate value are able to be recognized from the outside.