@misc{cryptoeprint:2007:478, author = {Dafna Kidron and Yehuda Lindell}, title = {Impossibility Results for Universal Composability in Public-Key Models and with Fixed Inputs}, howpublished = {Cryptology ePrint Archive, Report 2007/478}, year = {2007}, url = {http://eprint.iacr.org/2007/478}, }