[Superseded by SP 800-57 Part 1 Revised (May 2006): http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917474
] This Recommendation provides cryptographic key management guidance. It consists of three parts. Part 1 provides general guidance and best practices for the management of cryptographic keying material. Part 2 provides guidance on policy and security planning requirements for U.S. government agencies. Finally, Part 3 provides guidance when using the cryptographic features of current systems.