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Do cryptographic hash functions need security properties?

With cryptographic hash functions you want, for example, that the hash and the hash function cannot be used to determine the original data or any other data that would produce the same hash. Hash functions used with hash tables & other data structures do not need such security properties.

Are cryptographic hash functions faster than a hash table?

The cryptographic hash functions you mention could be used as hash functions for a hash table, but they are much slower than hash functions designed for a hash table. Speed makes brute force attacks easier. The design goals are different.

What is a hash value?

A hash value is a string of characters and numbers that a hacker might not be able to read, keeping a person's information private. As each hash value is distinct, hash values are also frequently referred to as fingerprints. Hashing has applications in various fields such as cryptography, computer science and data management.

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