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 800-175B Rev. 1 Guideline for Using Cryptographic Standards in the Federal Government: Cryptographic Mechanisms Share to Facebook Share to X Share to LinkedIn Share ia Email Documentation Topics Date Published: March 2020 Supersedes: SP 800-175B (08/22/2016) Author(s) Elaine Barker (NIST) Abstract This document provides guidance to the Federal Government for using cryptography and NIST’s cryptographic standards to protect sensitive but unclassified digitized information during transmission and while in storage. The cryptographic methods and services to be used are discussed. This document provides guidance to the Federal Government for using cryptography and NIST’s cryptographic standards to protect sensitive but unclassified digitized information during transmission and while in storage. The cryptographic methods and services to be used are discussed. Keywords asymmetric-key algorithm ; identity authentication ; confidentiality ; digital signatures ; encryption ; integrity ; key establishment ; message authentication ; random bit generation ; symmetric-key algorithm Control Families Identification and Authentication ; System and Communications Protection ; System and Information Integrity Documentation Publication: https://doi.org/10.6028/NIST.SP.800-175Br1 Download URL Supplemental Material: None available Publication Parts: SP 800-175A Document History: 07/03/19: SP 800-175B Rev. 1 (Draft) 03/31/20: SP 800-175B Rev. 1 (Final) Topics Security and Privacy authentication , cryptography , public key infrastructure 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