What Does Hashing Mean?

A hash function is any function that can be used to map data of arbitrary size to fixed-size values. The values returned by a hash function are called hash values, hash codes, digests, or simply hashes. The values are usually used to index a fixed-size table called a hash table.

What does it mean to hash data?

Hashing is simply passing some data through a formula that produces a result, called a hash. That hash is usually a string of characters and the hashes generated by a formula are always the same length, regardless of how much data you feed into it.

What does it mean to go hashing?

Hashing is the process of translating a given key into a code. A hash function is used to substitute the information with a newly generated hash code. ... By taking all of those repetitive strings and hashing them into a shorter string, you're saving tons of memory space.