@misc{cryptoeprint:2011:480, author = {Sanjay Bhattacherjee and Palash Sarkar}, title = {Complete Tree Subset Difference Broadcast Encryption Scheme and its Analysis}, howpublished = {Cryptology ePrint Archive, Report 2011/480}, year = {2011}, url = {http://eprint.iacr.org/2011/480}, }