NIST requests your comments on Draft SP 800-133 Revision 2, Recommendation for Cryptographic Key Generation, which discusses the generation of the keys to be managed and used by the approved cryptographic algorithms. This revision provides a method for determining a symmetric key by combining multiple keys and other data.
The public comment period closes on April 17, 2020. See the publication details for a copy of the draft and instructions for submitting comments.
NOTE: A call for patent claims is included on page iii of this draft. For additional information, see the Information Technology Laboratory (ITL) Patent Policy--Inclusion of Patents in ITL Publications.