There was a talk at 34C3 which covered these attacks pretty well (although those breaks were not the primary aim of the talk): https://www.youtube.com/watch?v=

There was a talk at 34C3 which covered these attacks pretty well (although those breaks were not the primary aim of the talk): https://www.youtube.com/watch?v=QCsvBFFLsqE https://www.youtube.com/watch?v=QCsvBFFLsqE https://latticehacks.cr.yp.to/ https://latticehacks.cr.yp.to/