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Data Encryption Standard

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ALSO CALLED: Data Encryption Algorithm, FIPS PUB 46-1, Triple Data Encryption Standard, DES, Triple DES, 3DES, FIPS PUB 46-2, Data Encryption Protocols, Symmetric Cryptography, DEA, FIPS PUB 44-2, Encryption Protocols, Digital Encryption Standards
DEFINITION: The Advanced Encryption Standard (AES) is an encryption algorithm for securing sensitive but unclassified material by U.S. Government agencies and, as a likely consequence, may eventually become the de facto encryption standard for commercial transactions in the private sector. (Encryption for the US military and other classified communications is handled by separate, secret algorithms.)In January  … 
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DATA ENCRYPTION STANDARD DEFINITION (continued): …  of 1997, a process was initiated by the National Institute of Standards and Technology (NIST), a unit of the U.S. Commerce Department, to find a more robust replacement for the Data Encryption Standard (DES) and to a lesser degree Triple DES. The specification called for a symmetric algorithm (same key for encryption and decryption) using block encryption (see block cipher) of 128 bits in size, supporting key sizes of 128, 192 and 256 bits, as a minimum. The algorithm was required to be royalty-free for use worldwide and offer security of a sufficient level to protect data for the next 20 to … 
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