@inproceedings{backes07necessity, author = {Backes, Michael and M\"{u}ller-Quade, J\"{o}rn and Unruh, Dominique}, title = {On the Necessity of Rewinding in Secure Multiparty Computation}, booktitle = {Theory of Cryptography, Proceedings of TCC 2007}, series = {Lecture Notes in Computer Science}, volume = {4392}, month = {March}, year = {2007}, publisher = {Springer-Verlag}, pages = {157-174}, note = {Preprint on IACR ePrint 2006/315} }