MAC can actually do much more than that.
MAC实际上可以比那做的要多得多。
However, MAC can actually do much more than that.
不过，MAC实际上可以做的比那要多得多。
The parental controls on a child's Mac can now be managed remotely.
家长现在可以远程控制孩子的Mac。
Because a MAC can be computed faster than a digital signature, it is practical for transport layer security like SSL, where a large volume of data is transmitted.
由于MAC的计算要比数字签名快，因此它对于诸如ssl等数据传输量很大的传输层安全性来说是实用的。
Because a MAC can be computed faster than a digital signature, it is practical for transport layer security like SSL, where a large volume of data is transmitted.
由于MAC的计算要比数字签名快，因此它对于诸如ssl等数据传输量很大的传输层安全性来说是实用的。
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