Implementation Guideline

Guideline for Implementing Cryptography

NIST Special Publication 800-21-1, Second Edition, Guideline for Implementing Cryptography in the Federal Government, December 2005.

SP 800-21-1 provides guidance to federal agencies on how to select cryptographic controls for protecting Sensitive Unclassified information.

Future Plans

The on-line version of SP 800-21 will be maintained to reflect the current status of cryptographic standards and their development efforts.