Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

SP 800-21 Second edition

Guideline for Implementing Cryptography in the Federal Government

Date Published: December 2005

Withdrawn: August 22, 2016

Superseded By: SP 800-175A (August 2016); SP 800-175B (August 2016)
Supersedes: SP 800-21 (November 1999)

Author(s)

Elaine Barker (NIST), William Barker (NIST), Annabelle Lee (NIST)

Abstract

Keywords

cryptographic algorithm; cryptographic hash function; cryptographic key; cryptographic module; digital signature; key establishment; key management; message authentication code
Control Families

Contingency Planning; Incident Response; Planning; System and Communications Protection; System and Services Acquisition;

Documentation

Publication:
SP 800-21 Second edition (DOI)
Local Download

Supplemental Material:
None available