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. 27, 2012
Filed:
Jul. 14, 2009
Applicants:
Hiroaki Hamada, Kanagawa, JP;
Toshimitsu Higashikawa, Tokyo, JP;
Tadashi Morita, Tokyo, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An information processing device includes: a receiving unit that receives a first random number from another information processing device; a generating unit that generates a second random number; a time-variant-key generating unit that generates a time variant key for encryption according to the second random number; an encrypting unit that encrypts the first random number with the time variant key; and a transmitting unit that transmits the first random number encrypted by the time variant key and the second random number to the other information processing device.