The National Institute of Standards and Technology has published final versions of three computer security documents and released one draft document for public comment. NIST’s Computer Security Division is responsible for developing standards for federal IT use, including security practices. These and other NIST publications are available online. Two of the publications deal with cryptography. Special Publication 800-67, Recommendation for the Triple Data Encryption Algorithm Block Cipher, gives specifications for the TDEA, including its primary cryptographic engine, the Data Encryption Algorithm. When properly implemented in a cryptographic module compliant with Federal Information Processing Standard 140-2, the algorithm may be used to protect sensitive but unclassified federal information. Special Publication 800-38C, Recommendation for Block Cipher Modes of Operation: the CCM Mode for Authentication and Confidentiality, specifies an authenticated encryption mode of the Advanced Encryption Standard. Full Story
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