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:
Jan. 31, 2012
Filed:
Aug. 10, 2006
Ran Canetti, Brookline, MA (US);
Shai Halevi, Elmsford, NY (US);
Michael Steiner, New York, NY (US);
Ran Canetti, Brookline, MA (US);
Shai Halevi, Elmsford, NY (US);
Michael Steiner, New York, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The invention includes a method for key creation and recovery based on solutions to puzzles solvable by humans and not computers. In some exemplary embodiments, the key is created and recovered based on the solution(s) in conjunction with the password entered by the user. The puzzle(s) is selected based on the password used by the user from a puzzle database containing multiple puzzles that is greater in number to the number of puzzles used in conjunction with a particular password.