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In 2002, the National Institute of Standards and Technology (NIST) withdrew several geographic FIPS code standards, including those for countries (FIPS 10-4), U.S. states (FIPS 5-2), and counties . [ 7 ] [ 8 ] These are to be replaced by ISO 3166 and INCITS standards 38 and 31, respectively. [ 9 ]
The US National Institute of Standards and Technology (NIST) is a non-regulatory federal agency within the U.S. Department of Commerce. The NIST Computer Security Division develops standards, metrics, tests, and validation programs, and it publishes standards and guidelines to increase secure IT planning, implementation, management, and operation.
The guidelines are provided by NIST SP 800-60 "Guide for Mapping Types of Information and Information Systems to Security Categories." [9] The overall FIPS 199 system categorization is the "high water mark" for the impact rating of any of the criteria for information types resident in a system.
NIST had an operating budget for fiscal year 2007 (October 1, 2006 – September 30, 2007) of about $843.3 million. NIST's 2009 budget was $992 million, and it also received $610 million as part of the American Recovery and Reinvestment Act. [18] NIST employs about 2,900 scientists, engineers, technicians, and support and administrative personnel.
NIST SP 800-90A ("SP" stands for "special publication") is a publication by the National Institute of Standards and Technology with the title Recommendation for Random Number Generation Using Deterministic Random Bit Generators.
A secure block cipher can be converted into a CSPRNG by running it in counter mode using, for example, a special construct that the NIST in SP 800-90A calls CTR DRBG. CTR_DBRG typically uses Advanced Encryption Standard (AES). AES-CTR_DRBG is often used as a random number generator in systems that use AES encryption. [9] [10]
NIST Version 1.1. The NIST Cybersecurity Framework organizes its "core" material into five "functions" which are subdivided into a total of 23 "categories". For each category, it defines a number of subcategories of cybersecurity outcomes and security controls, with 108 subcategories in all.
In 2003 FISMA Project, Now the Risk Management Project, launched and published requirements such as FIPS 199, FIPS 200, and NIST Special Publications 800–53, 800–59, and 800–6. Then NIST Special Publications 800–37, 800–39, 800–171, 800-53A.