Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Recommendation for Key Management, Part 1: General



Elaine B. Barker


This Recommendation provides cryptographic key management guidance. It consists of three parts. Part 1 provides general guidance and best practices for the management of cryptographic keying material. Part 2 provides guidance on policy and security planning requirements for U.S. government agencies. Finally, Part 3 provides guidance when using the cryptographic features of current systems. [Supersedes SP 800-57 Pt. 1 Rev. 3 (July 2012):]
Special Publication (NIST SP) - 800-57 Pt1 Rev 4
Report Number
800-57 Pt1 Rev 4


archive, assurances, authentication, authorization, availability, backup, compromise, confidentiality, cryptanalysis, cryptographic key, cryptographic module, digital signature, hash function, key agreement, key management, key management policy, key recovery, key transport, originator-usage period, private key, public key, recipient-usage period, secret key, split knowledge, trust anchor.


Barker, E. (2016), Recommendation for Key Management, Part 1: General, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed May 26, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created January 28, 2016, Updated November 10, 2018