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:
Aug. 11, 2015
Filed:
Apr. 23, 2012
Applicants:
Aviad Kipnis, Efrat, IL;
Eliphaz Hibshoosh, Tel Aviv, IL;
Inventors:
Aviad Kipnis, Efrat, IL;
Eliphaz Hibshoosh, Tel Aviv, IL;
Assignee:
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0816 (2013.01); H04L 9/085 (2013.01); H04L 9/0833 (2013.01); H04L 9/0869 (2013.01);
Abstract
A cryptographic method, including generating, using a meta-secret, a first plurality of cryptographic keys, each cryptographic key associated with a respective key identifier, creating, using the meta-secret, a second plurality of sets of secret-shares, which are capable, by combining all the secrets-shares in any one of the sets together with the respective key identifier, of generating the associated cryptographic key, and performing cryptographic operations using the cryptographic keys. Related methods and apparatus are also included.