Forward-Secure and Searchable Broadcast Encryption with Short Ciphertexts and Private Keys.

Nuttapong Attrapadung Jun Furukawa Hideki Imai Forward-Secure and Searchable Broadcast Encryption with Short Ciphertexts and Private Keys. 161-177 2006 conf/asiacrypt/2006 ASIACRYPT http://dx.doi.org/10.1007/11935230_11 db/conf/asiacrypt/asiacrypt2006.html#AttrapadungFI06