Hash function is a mathematical algorithm that maps data of arbitrary size (often called the "message") to a bit string of a fixed size (the "hash value", "hash", or "message digest") and is a one-way function, that is, a function which is practically infeasible to invert.
A mathematical algorithm that maps data of arbitrary size (often called the "message") to a bit string of a fixed size.
Written by Muhammad Azeem
Updated over a week ago