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:
Oct. 22, 2013
Filed:
Sep. 12, 2012
Applicant:
Brent Waters, Austin, TX (US);
Inventor:
Brent Waters, Austin, TX (US);
Assignee:
Zeutro LLC, Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and methods for functional encryption systems that support regular languages and, thereby strings of arbitrary length, are provided. The disclosed systems and methods can encrypt data using public parameters and an arbitrary string. The arbitrary string can be included within the ciphertext as plaintext. A decryption key is generated that includes a representation of a regular language. The encrypted message can be decrypted only if the arbitrary string in the ciphertext is in the set of strings that comprise the regular language associated with the decryption key being used.