并用群及群运算规范状态集合及状态转移函数。
Then use group and a group of operation to standardize state set and state shift function.
群:二元结合运算为闭合的数学集合,具有单位元素。集合中每一元素都有逆元素。
Mathematics a set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set.
本文利用来自不同群的运算,构造一种能证明其安全性的杂凑算法,并应用已证明的结果构造安全的消息认证码。
The construction of a provable hash algorithm is developed based on the operations from various groups, also, a safety message authentication code is presented by the result.
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