You are viewing this page in an unauthorized frame window. This is a potential security issue, you are being redirected to https://csrc.nist.gov . An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( Lock Locked padlock icon ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Search Search CSRC MENU Search Search Projects Publications Expand or Collapse Drafts for Public Comment All Public Drafts Final Pubs FIPS (standards) Special Publications (SP s ) IR (interagency/internal reports) CSWP (cybersecurity white papers) ITL Bulletins Project Descriptions Journal Articles Conference Papers Books Topics Expand or Collapse Security & Privacy Applications Technologies Sectors Laws & Regulations Activities & Products News & Updates Events Glossary About CSRC Expand or Collapse Computer Security Division Cryptographic Technology Software Security Group Hardware Security Group Security Engineering and Risk Management Applied Cybersecurity Division Cybersecurity and Privacy Applications National Cybersecurity Center of Excellence (NCCoE) National Initiative for Cybersecurity Education (NICE) Contact Us Information Technology Laboratory Computer Security Resource Center Publications NIST SP 800-56C Rev. 2 Recommendation for Key-Derivation Methods in Key-Establishment Schemes Share to Facebook Share to X Share to LinkedIn Share ia Email Documentation Topics Date Published: August 2020 Supersedes: SP 800-56C Rev. 1 (04/16/2018) Planning Note ( 01/06/2026 ): NIST has decided to revise this publication. See this announcement for more details. Author(s) Elaine Barker (NIST) , Lily Chen (NIST) , Richard Davis (NSA) Abstract This Recommendation specifies techniques for the derivation of keying material from a shared secret established during a key-establishment scheme defined in NIST Special Publications 800-56A or 800-56B. This Recommendation specifies techniques for the derivation of keying material from a shared secret established during a key-establishment scheme defined in NIST Special Publications 800-56A or 800-56B. Keywords expansion ; extraction ; extraction-then-expansion ; hash function ; key derivation ; key establishment ; message authentication code Control Families System and Communications Protection Documentation Publication: https://doi.org/10.6028/NIST.SP.800-56Cr2 Download URL Supplemental Material: Comments received on Draft SP 800-56C Rev. 2 (pdf) Publication Parts: SP 800-56A Rev. 3 SP 800-56B Rev. 2 Document History: 03/24/20: SP 800-56C Rev. 2 (Draft) 08/18/20: SP 800-56C Rev. 2 (Final) Topics Security and Privacy key management HEADQUARTERS 100 Bureau Drive Gaithersburg, MD 20899 X (link is external) facebook (link is external) linkedin (link is external) instagram (link is external) youtube (link is external) rss govdelivery (link is external) Want updates about CSRC and our publications? Subscribe Contact Us | Our Other Offices Send inquiries to [email protected] Site Privacy Accessibility Privacy Program Copyrights Vulnerability Disclosure No Fear Act Policy FOIA Environmental Policy Scientific Integrity Information Quality Standards Commerce.gov Science.gov USA.gov Vote.gov