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.

Electronic Authentication Guideline:



William E. Burr, Donna F. Dodson, Elaine M. Newton, Ray A. Perlner, W. Timothy Polk, Sarbari Gupta, Ebad A. Nabbus
- NIST SP 800-63-2
Report Number
NIST SP 800-63-2


Burr, W. , Dodson, D. , Newton, E. , Perlner, R. , Polk, W. , Gupta, S. and Nabbus, E. (2013), Electronic Authentication Guideline:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed July 17, 2024)


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

Created November 1, 2013, Updated May 20, 2023