Shlomi Dolev Limor Lahiani Moti Yung Secret Swarm UnitReactive k-Secret Sharing. 123-137 2007 conf/indocrypt/2007 INDOCRYPT http://dx.doi.org/10.1007/978-3-540-77026-8_10 db/conf/indocrypt/indocrypt2007.html#DolevLY07