Yi-Ru Liu, Wen-Guey Tzeng. Public Key Broadcast Encryption with Low Number of Keys and Constant Decryption Time. In Ronald Cramer, editor, Public Key Cryptography - PKC 2008, 11th International Workshop on Practice and Theory in Public-Key Cryptography, Barcelona, Spain, March 9-12, 2008. Proceedings. Volume 4939 of Lecture Notes in Computer Science, pages 380-396, Springer, 2008. [doi]
Abstract is missing.