TY - GEN AU - Burr, William AU - Dodson, Donna AU - Polk, William C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2004-06-30 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2004 TI - Electronic Authentication Guideline ER -