Key-Derivation Function

Key-Derivation Function definition in Computer Security terms:

Acronym(s): KDF

Definition(s): A function that, with the input of a cryptographic key or shared secret, and possibly other data, generates a binary string, called keying material.
Source(s): NIST SP 800-57 Part 1 Rev. 3

A function by which keying material is derived from a shared secret (or a key) and other information.
Source(s): NIST SP 800-56A Rev. 2

A function used to derive keying material from a shared secret (or a key) and other information.
Source(s): NIST SP 800-56B Rev. 1

Synonym(s): None

 

reference: CSRC Glossary