Research of the Technology of Sharing Secret Based on Lagrange Polynomial
Zhang Bao-jing · Journal of Baicheng Normal College · 2008
This paper discusses the process of secret distribution and recovery based on the construction of Lagrange interpolating polynomial,values of coefficient and unknown,calculation method of Lagrange factor and how to recover constant.A(3,5)threshold visual secret sharing scheme is realized through simulation experi- ments.Experiment results show that the method can make every participant verify secret shadows of his own and others without disclosing the secret shadow,and can prevent outside attackers from getting the secret and the par- ticipants cheating each other efficiently.It can be extended further to color space and make it have more exten- sive practical value and application prospects.