@misc{1127426, author = {Paul A Grassi and James L Fenton and Elaine M Newton and Ray A Perlner and Andrew R Regenscheid and William E Burr and Justin P Richer and Naomi B Lefkovitz and Jamie M Danker and Yee-Yin Choong and Kristen K Greene and Mary F Theofanos}, title = {Digital identity guidelines: authentication and lifecycle management:}, year = {2017}, month = {2017-06-01 04:06:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.800-63b}, language = {en}, }