TY - RPRT TI - Transitioning the use of cryptographic algorithms and key lengths AU - Barker, Elaine AU - Roginsky, Allen PY - 2019 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 800-131Ar2 DO - 10.6028/NIST.SP.800-131Ar2 ER -