【摘要】 本文首先利用Ｓｈａｍｉｒ的秘密共享方法将Ｃｈａｎｇ－Ｌｉａｏ通行字认证方案转变成（ｔ，ｎ）共享认证方案，从而使ｎ个认证者中任意ｔ个人能够认证通行字的正确性。其次提出了一个基于Ｈａｒｎ数字签名方案的远距离通行字认证方案。更多还原

【Abstract】 In this paper, Chang-Liao’s remote password authentication scheme is changed into (t,n) shared authentication scheme which enables any t of n authenticatiors to authenticate the correctness of the password. In addition, a remote password authentication scheme based on Harn’s signature scheme is presented.更多还原