TY - GEN AU - Lidong Chen C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2011-11-28 DO - https://doi.org/10.6028/NIST.SP.800-56C LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2011 TI - Recommendation for Key Derivation through Extraction-then-Expansion ER -