Changes in this document are subject to a revision of OMB M-04-04
This is a working draft of NIST Special Publication 800-63-3 Digital Authentication Guideline. This document is the top-level replacement for SP 800-63-2, and references SP 800-63A, SP 800-63B, and SP 800-63C.
This document is broken up into sections as follows:
1. Purpose and 2. Introduction