The Federal Information Processing Standards Publication Series of the National Institute of Standardsand Technology (NIST) is the official series of publications relating to standards and guidelines adopted and promulgated under the provisionsofthe Federal Information Security Management Act (FISMA) of 2002.Comments concerning FIPS publications are welcomed and should be addressed to the Director, Information Technology Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Stop 8900, Gaithersburg, MD 20899-8900