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:
Apr. 12, 2016
Filed:
Feb. 28, 2014
Raytheon Bbn Technologies Corp., Cambridge, MA (US);
Kurt Ryan Rohloff, South Hadley, MA (US);
Raytheon BBN Technologies Corp., Cambridge, MA (US);
Abstract
In a computer implemented method for data privacy in a distributed communication system including a plurality of client terminals, the method includes: receiving, from each of the plurality of client terminals, a group of key switch hints generated by said each of the client terminals, wherein each group of key switch hints include a key switch hint corresponding to each other one of the client terminals; receiving, from each of the client terminals, an encrypted data stream; switching each of the encrypted data streams using the key switch hints corresponding to said each other one of the client terminals to generate a respective switched data set for said each of the encrypted data streams, wherein each switched data set includes a plurality of encrypted data representations of said each of the encrypted data streams; and generating an encrypted output data stream for each of the client terminals using the switched data set for each encrypted data stream.