Subject: [saag] Draft 800-56C is posted for the second public comments

From: "Polk, William T." <[email-masked]>
Date: Wed, 27 Jul 2011 14:02:49 -0400

A new draft NIST publication is available that may be of interest to the IETF.  This document is related to, and inspired in part by, RFC 5869 "HMAC-based Extract-and-Expand Key Derivation Function (HKDF)".  Since I failed to forward the announcement of  the first public comment period (sorry folks!) I wanted to be sure people were aware of the second public comment period.  The NIST announcement follows:

Second draft of 800-56C: Recommendation for Key Derivation through Extraction-then-Expansion is posted for public comments. The initial draft was released in September 2010. This second version incorporates resolutions to the comments received during the first comment period.

This Recommendation specifies techniques for the derivation of keying material from a shared secret established during a key establishment scheme defined in NIST Special Publications 800-56A or 800-56B through an extraction-then-expansion procedure. NIST is in the process of modifying SP 800-56A and SP 800-56B to include the extraction-then-expansion key derivation procedure specified in this draft Recommendation (800-56C). You can find the second draft of NIST SP 800-56C at http://csrc.nist.gov/publications/PubsDrafts.html#SP-800-56-C.

Please submit comments to [email-masked] with "Comments on SP 800-56C" in the subject line. The comment period closes on August 11, 2011.

Your comments would certainly be appreciated!

Thanks,

Tim Polk