Permutation

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Definition(s):

An ordered (re)arrangement of the elements of a (finite) set; a function that is both a one-to-one and onto mapping of a set to itself.
Source(s):
NIST SP 800-133 Rev. 2

An invertible function.
Source(s):
NIST SP 800-38B
NIST SP 800-38D

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.