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:
May. 23, 2006
Filed:
Aug. 21, 2000
Stephen Michael Matyas, Jr., Manassas, VA (US);
Mohammad Peyravian, Morrisville, NC (US);
Allen Leonid Roginsky, Durham, NC (US);
Nevenko Zunic, Wappingers Falls, NY (US);
Stephen Michael Matyas, Jr., Manassas, VA (US);
Mohammad Peyravian, Morrisville, NC (US);
Allen Leonid Roginsky, Durham, NC (US);
Nevenko Zunic, Wappingers Falls, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods, systems and computer program products are provide for controlling access to software is provided by the software to be controlled being divided into a first encrypted portion and a second unencrypted portion. The second unencrypted portion has access to, and may even incorporate, a first secret value and a software identification associated with a copy of the software. The first encrypted portion is encrypted with a first key value which is based on the first secret value and a second secret value. The second secret value is obtained and the first key value generated from the obtained second secret value and the first secret value. The first encrypted portion of the software may then be decrypted with the first key value. The software may be installed on a data processing system utilizing the decrypted first encrypted portion of the software.