|Authors:||Mihaljević, Miodrag J.||Affiliations:||Mathematical Institute of the Serbian Academy of Sciences and Arts||Title:||Reconfigurable key management for broadcast encryption||Journal:||IEEE Communications Letters||Volume:||8||Issue:||7||First page:||440||Last page:||442||Issue Date:||1-Jan-2004||Rank:||M21||ISSN:||1089-7798||DOI:||10.1109/LCOMM.2004.832774||Abstract:||
A novel approach for the cryptographic keys management in the broadcasting scenario with a conditional access control is proposed. It employs the reconfiguration concept, and it is based on a collection of the underlying structures - at each instant of time a structure from the collection is employed for updating the session key so that the communication overhead of updating is minimized. A receiver has a fixed set of cryptographic keys and in a general case, each of these keys plays a different role determined by the employed underlying structure.
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