用最大距离可分码构造了一个理想门限体制,该体制中的秘密恢复算法可以正确地恢复秘密,并可检测出伪造的秘密份额,确定伪造者的身份。
An ideal threshold scheme is constructed from Maximum Distance Separable (MDS) codes,the recovery algorithm in this scheme can detect cheating ,recover the correct secret and identify cheaters.