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.
HMAC可以与任何反复式的密码编译杂凑函式(例如MD 5或SHA - 1)一起使用，并与秘密共用金钥组合。
HMAC can be used with any iterative cryptographic hash function, such as MD5 or SHA-1, in combination with a secret Shared key.
基本上数位签章是藉著套用数学函式于要被签名的资料的杂凑来计算。
Typically the digital signature is computed by applying a mathematical function to the hash of the data to be signed.
基本上数位签章是藉著套用数学函式于要被签名的资料的杂凑来计算。
Typically the digital signature is computed by applying a mathematical function to the hash of the data to be signed.
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