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. 05, 2013
Filed:
Jun. 22, 2005
Boaz Carmeli, Korani, IL;
John Justin Duigenan, Dorset, GB;
Michael Damein Elder, Durham, NC (US);
Gidon Gershinsky, Haifa, IL;
Boaz Carmeli, Korani, IL;
John Justin Duigenan, Dorset, GB;
Michael Damein Elder, Durham, NC (US);
Gidon Gershinsky, Haifa, IL;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A multicast host for communicating information published about any one of a set of topics to one or more authorised subscribers to those topics, the set of topics being partitioned into one or more partition elements, each partition element having a partition element encryption key associated therewith, wherein each of the one or more partition elements is a disjoint proper subset of the set of topics, the host comprising: means for receiving information relating to a topic; means for determining a partition element for the topic; means for retrieving a partition element encryption key associated with the partition element; means for encrypting the information with the retrieved partition element encryption key; and means for communicating the information to the one or more authorised subscribers.