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Electronic Authentication Guideline



William E. Burr, Donna F. Dodson, William T. Polk


[Superseded by SP 800-63-1 (December 2011):] This recommendation provides technical guidance to Federal agencies implementing electronic authentication. The recommendation covers remote authentication of users over open networks. It defines technical requirements for each of four levels of assurance in the areas of identity proofing, registration, tokens, authentication protocols and related assertions. [Supersedes SP 800-63 Ver 1.0.1 (September 2004):]
Special Publication (NIST SP) - 800-63 Ver 1.0.2
Report Number
800-63 Ver 1.0.2


authentication, authentication assurance, credentials service provider, cryptography, electronic authentication, electronic credentials, electronic transactions, electronic government, identity proofing, passwords, PKI, Public Key Infrastructure, tokens


Burr, W. , Dodson, D. and Polk, W. (2006), Electronic Authentication Guideline, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD (Accessed April 14, 2024)
Created April 30, 2006, Updated February 19, 2017