3 ms·This paper may be helpful until then. http://eprint.iacr.org/2016/413.pdf http://eprint.iacr.org/2016/413.pdfby IncRnd 10y agoThis paper may be helpful until then. http://eprint.iacr.org/2016/413.pdf http://eprint.iacr.org/2016/413.pdf