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. 12, 2023
Filed:
Dec. 08, 2021
Seiko Epson Corporation, Tokyo, JP;
Shinshu University, Nagano, JP;
Takehiko Mieno, Naganoken Azuminoshi, JP;
Hiroyuki Okazaki, Naganoken Naganoshi, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Shinshu University, Nagano, JP;
Abstract
A cryptographic communication system includes: a first cryptographic communication apparatus including a first tamper-resistant device configured to store a first key generation function and a first storage unit configured to store first individual information; and a second cryptographic communication apparatus including a second tamper-resistant device configured to store a second key generation function and a second storage unit configured to store second individual information. The first cryptographic communication apparatus generates a twelfth shared key using the first key generation function and the second individual information. The second cryptographic communication apparatus generates a twenty first shared key using the second key generation function and the first individual information.