TY - GEN AU - Barker, E B AU - Barker, W C AU - Lee, A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2005-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.800-21e2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2005 TI - Guideline for implementing cryptography in the federal government: ER -