TY - GEN AU - Grassi, Paul AU - Perlner, Ray AU - Newton, Elaine AU - Regenscheid, Andrew AU - Burr, William AU - Richer, Justin AU - Lefkovitz, Naomi AU - Danker, Jamie AU - Theofanos, Mary C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2017-12-01 DO - https://doi.org/10.6028/NIST.SP.800-63b LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2017 TI - Digital Identity Guidelines: Authentication and Lifecycle Management [including updates as of 12- 01-2017] ER -