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Triple DES
Product cipher that, like DES, operates on 64bit data blocks. There are several forms, each of which uses the DES cipher 3 times. Some forms use two 56bit keys, some use three. (. See NIST FIPS 463 and CNSSAM IA/0204)
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A private key cryptosystem published by the National Institutes of Standards and Technology (NIST). DES is a symmetric block cipher with a block length of 64 bits and an effective key length of 56 bits. DES has been used commonly for data encryption in the forms of software and hardware implementation. A standard cryptosystem proposed in 1977 for all government communications. DES and 3DES were superseded by Advanced Encryption Standard (AES) in December 2001. Cryptographic algorithm, designed for the protection of unclassified data and published by the National Institute of Standards and Technology (NIST) in Federal Information Processing Standard (FIPS) Publication 46. (FIPS 463 withdrawn 19 May 2005) (. See Triple DES) and CNSS Advisory IA/0204 Revised March 2005)
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A standard that uses three iterations of DES with two or three different keys to increase the effective key strength to 112 bits.
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<p>NIST Cloud Computing Security Reference Architecture</p><p>The purpose of this document is to define a NIST Cloud Computing Security Reference Architecture (NCC-SRA)--a framework that: <br>1. Identifies a core set of Security Components that can be implemented in a Cloud Ecosystem to secure the environment, the operations, and the data migrated to the cloud; <br>2. Provides, for each Cloud Actor, the core set of Security Components that fall under their responsibilities depending on the deployment and service models; <br>3. Defines a security-centric formal architectural model that adds a security layer to the current NIST SP 500-292, "NIST Cloud Computing Reference Architecture"; and <br>4. Provides several approaches for analyzing the collected and aggregated data.</p>
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FIPS 463, Data Encryption Standard (DES), October 1999.
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Advanced Encryption StandardAdvanced Encryption Standard, a new encryption standard, whose development and selection was sponsored by NIST, that will support key lengths of 128, 192, and 256 bits. FIPS approved cryptographic algorithm that is a symmetric block cipher using cryptographic key sizes of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits. The encryption standard selected in October 2000 by the National Institute of Standards and Technology (NIST) that is based on the Rijndael cipher.
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