题目

英语翻译
该协议通过降低密钥树的高度来减少密钥数量,而且用户可以利用服务器组播的随机数来自行同步更新密钥,减少服务器更新密钥的开销.

提问时间：2021-03-04

答案

Through reducing the height of key tree,this agreement aims at cutting down the key quantity.Additinally users can synchronize and upgrade the key by themselves with help of the random number of server farm.In this way,they can pare down expenses in the upgrading of server key.
【英语牛人团】牛人倾情奉献,