TY - RPRT TI - Recommendation for key management: part 2 -- best practices for key management organizations AU - Barker, Elaine AU - Barker, William C PY - 2019 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 800-57pt2r1 DO - 10.6028/NIST.SP.800-57pt2r1 ER -