martin geisler xddaimiaudk behalf viff development team happy announce release viff 05 targz httpviffdkreleaseviff05targz tarbz2 httpviffdkreleaseviff05tarbz2 zip httpviffdkreleaseviff05zip exe httpviffdkreleaseviff05win32exe changes since version 04 added preliminary support preprocessing efficient multiplication protocol secure active adversaries runtime class split several parts two new mixin classes provide different comparison protocols several coercion problems fixed runtimecallback method renamed runtimeschedule_callback viff tested python 26 small problems fixed pythongnutls unavailable players automatically fallback tcp connections installation guide updated windows vista new example program added documentation updated changed license lgpl viff virtual ideal functionality framework framework creating efficient secure multiparty computations smpc players trust participate joint computation based private inputs computation done using cryptographic protocol allows obtain correct answer without revealing inputs operations supported include addition multiplication comparison shamir secret shared outputs martin geisler viff virtual ideal functionality framework brings easy efficient smpc secure multiparty computation python see httpviffdk thu 07 aug 2008 084615 0200 viff 05