这个属性是有金钥的杂凑演算法之金钥。

This property is the key for the keyed hash algorithm.

youdao

在衍生类别中覆写时，做为杂凑演算法和资料结构之指定物件的杂凑函式，例如杂凑表。

When overridden in a derived class, serves as a hash function for hashing algorithms and data structures, such as a hash table.

youdao

任何好的密码杂凑演算法应该是这样的，即使给定一个已知的讯息和与它关联的讯息杂凑，也很难找到替代明码的迭代杂凑。

Any good cryptographic hashing algorithm should make finding a duplicate hash for an alternative plaintext difficult, even given a known message and its associated message hash.

youdao