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. 02, 2013
Filed:
Mar. 03, 2006
Mi-suk Huh, Suwon-si, KR;
Kyung-hee Lee, Yongin-si, KR;
Tae-chul Jung, Seongnam-si, KR;
Sergey Bezzateev, St. Petersburg, RU;
Alexey Sitalov, St. Petersburg, RU;
Mi-suk Huh, Suwon-si, KR;
Kyung-hee Lee, Yongin-si, KR;
Tae-chul Jung, Seongnam-si, KR;
Sergey Bezzateev, St. Petersburg, RU;
Alexey Sitalov, St. Petersburg, RU;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An apparatus and method are provided for reducing time taken for generating a digital signature and generating the digital signature using a minimum number of operations using at least two secret keys. One secret key among at least two secret keys may be set from a value resulting from hashing a message to be transmitted. A number of times for hashing the secret key is determined, and a value resulting from hashing the determined secret key by the determined hashing number of times is set as the digital signature.