%0 Conference Paper %B IEEE International Workshop on Information Forensics and Security (WIFS) %D 2014 %T Bootstrap-based Proxy Reencryption for Private Multi-user Computing %A Juan Ramón Troncoso-Pastoriza %A Serena Caputo %K SPED %B IEEE International Workshop on Information Forensics and Security (WIFS) %I IEEE %C Atlanta, GA %8 12/2014 %G eng