re: A Quick Introduction: Hashing VIEW POST

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re: Just a quick point, but it's important. As the hash can't be 100% guaranteed to be unique (it's just highly likely to be unique) it can only be us...
 

Hashes are also used for passwords, which are the epitome of "hey, make sure that the hash is unique to only one password!"

It's important to know that there are special hash algorithms for passwords that are specifically made for shorter strings (rather than files), and take a relatively long time to compute (so that it's harder to brute-force them).

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