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:
Feb. 09, 2016
Filed:
Sep. 03, 2013
Applicant:
Nec Europe Ltd., Heidelberg, DE;
Inventor:
Sebastian Gajek, Heidelberg, DE;
Assignee:
NEC EUROPE LTD., Heidelberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/62 (2013.01); H04L 9/08 (2006.01); H04L 9/30 (2006.01); H04L 9/32 (2006.01); G06F 21/31 (2013.01);
U.S. Cl.
CPC ...
G06F 21/6245 (2013.01); G06F 21/316 (2013.01); H04L 9/0866 (2013.01); H04L 9/3073 (2013.01); H04L 9/3271 (2013.01); H04L 63/045 (2013.01); H04L 63/062 (2013.01); H04L 63/20 (2013.01); H04L 2209/046 (2013.01);
Abstract
A method for providing a public key/secret key pair for encrypting and decrypting data, wherein the public key of the public key/secret key pair and a master secret key are generated based on predefined policy information, and wherein the secret key of the public key/secret key pair is generated based on the generated master secret key and predefined attribute information. A method for accessing a system in an untrusted environment and a system for providing a public key/secret key pair for encrypting and decrypting data as well as a use for access control are also described.