Lein Harn Changlu Lin Detection and identification of cheaters in ( <i>t</i> , <i>n</i> ) secret sharing scheme. 15-24 2009 52 Des. Codes Cryptography 1 http://dx.doi.org/10.1007/s10623-008-9265-8 db/journals/dcc/dcc52.html#HarnL09