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:
Mar. 26, 2013
Filed:
Nov. 13, 2009
Applicants:
Young-sik Kim, Gyeonggi-do, KR;
Mi-jung Noh, Gyeonggi-do, KR;
Kyoung-moon Ahn, Seoul, KR;
Sun-soo Shin, Seoul, KR;
Inventors:
Young-sik Kim, Gyeonggi-do, KR;
Mi-jung Noh, Gyeonggi-do, KR;
Kyoung-moon Ahn, Seoul, KR;
Sun-soo Shin, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a method of calculating a negative inverse of a modulus, wherein the negative inverse, which is an essential element in Montgomery multiplication, is quickly obtained. The method includes setting a modulus, defining P obtained by converting the modulus to a negative number, and defining S obtained by subtracting 1 from P, and calculating a negative inverse of the modulus by using P and S.