Title :
Inherently large traceability of broadcast encryption scheme
Author :
Kurosawa, Kaoru ; Yoshida, Takuya ; Desmelt, Y.
Author_Institution :
Tokyo Inst. of Technol., Japan
Abstract :
We say that a broadcast encryption scheme is a (c, N)-broadcast exclusion scheme (BEx) if a center can exclude c or less users among N users. We present an efficient (c, N)-BEx which has inherently large traceability by showing a new construction of cover free families
Keywords :
algebraic geometric codes; broadcasting; cryptography; algebraic geometry codes; broadcast encryption; broadcast exclusion scheme; cover free families; large traceability; Bismuth; Broadcast technology; Broadcasting; Cryptography; Decoding; Geometry;
Conference_Titel :
Information Theory, 2000. Proceedings. IEEE International Symposium on
Conference_Location :
Sorrento
Print_ISBN :
0-7803-5857-0
DOI :
10.1109/ISIT.2000.866762
