A password hash is a simple hash of a password. Hash algorithms are made to be fast. KDF - key deriving functions - are slow by design and are made to derive a

A password hash is a simple hash of a password. Hash algorithms are made to be fast. KDF - key deriving functions - are slow by design and are made to derive a key from a given string. They are designed to be slow to make password searching slower. This is a 2c tour of the topic.