A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : US Secure Hash Algorithms (SHA and SHA based HMAC and HKDF)
Author(s) : D. Eastlake 3rd, T. Hansen
Filename : draft-eastlake-sha2b-04.txt
Pages : 124
Date : 2010-09-22
This document replaces RFC 4634, fixing errata and adding code for an
HMAC-based extract-and-expand key derivation function.
The United States of America has adopted a suite of secure hash
algorithms (SHAs), including four beyond SHA-1, as part of a Federal
Information Processing Standard (FIPS), specifically SHA-224,
SHA-256, SHA-384, and SHA-512. This document makes open source code
performing the SHA hash functions conveniently available to the
Internet community. The sample code supports input strings of
arbitrary bit length. Much of the text herein was adapted by the
authors from FIPS 180-2.
As with RFC 4634, code to perform SHA based HMACs is included and,
new in this version, code for HKDF (RFC 5869) is included.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-eastlake-sha2b-04.txt
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ftp://ftp.ietf.org/internet-drafts/
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