以下列出了MAC和散列函数的相似性，哪一项的说法是错误的?
A、MAC和散列函数都是用于提供消息认证C
暂无解析
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Washerisamachine____(用它我们洗衣服)orapersonwhoiswashing.
Thereis______littleinformationabouthimthatwehave______muchdifficultyfindinghim.
I____comeyesterday,butIcouldnot.
Sheheardaterriblenoise,____broughtherheartintohermouth.
