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:
Apr. 01, 2008
Filed:
Jun. 20, 2002
Applicants:
Shigemi Kurashima, Shinagawa, JP;
Norio Endo, Shinagawa, JP;
Inventors:
Shigemi Kurashima, Shinagawa, JP;
Norio Endo, Shinagawa, JP;
Assignee:
Nagano Fujitsu Component Limited, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An encryption method includes the steps of (a) generating random data including a first part and a second part, the first part specifying an operation to be performed on plain text data and the second part being used in the operation, (b) performing the specified operation on the plain text data using the second part of the random data, and (c) transmitting a result of the operation together with the random data.