data encryption standard


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Related to data encryption standard: Advanced Encryption Standard

data encryption standard

A Federal Information Processing Standards (FIPS)-approved cryptographic algorithm for encrypting (enciphering) and decrypting (deciphering) binary coded information. Encrypting converts data to an unintelligible form called cipher, which is converted back to its original form (plaintext) by decrypting. DES specifies both enciphering and deciphering operations, which are based on a 64-bit binary number (a key); unauthorised recipients of the cipher without the correct key cannot derive the original data algorithmically. Data that is considered sensitive by the responsible authority, or data that represents a high value, should be cryptographically protected if it is vulnerable to unauthorised disclosure or undetected modification during transmission or while in storage.
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The Data Encryption Standard (DES) was published in 1977 as an encryption standard for U.S.
Some basic symmetric encryption algorithms are DES (Data Encryption Standard), Triple-DES, Blowfish, RC2, RC4, RC6 and AES.
Based on these priorities set by the data owner, encryption algorithms will be dynamically assigned to the files such as the Homomorphic encryption scheme for the higher priority files enabling a high level of security for the important contents of the document and the Data Encryption Standard algorithm for lower priority files is assigned.
Modern algorithms, such as the Data Encryption Standard (DES), use longer, more complex keys, resulting in many more key possibilities.
The number of products worldwide that implemented the NIST Data Encryption Standard (DES), including Triple DES, grew rapidly from 1999 through June 2001, but leveled off by December 2001.
It uses a Triple Data Encryption Standard (DES) algorithm to encrypt voice communications and protect them from eavesdropping and spoofing.
"Think of it as alien technology," said Schneier, "for the next decade researchers will pick Skipjack apart." June also saw the announcement of candidates for the Advanced Encryption Standard (AES), a replacement for the now-venerable Data Encryption Standard (DES).
They also dramatically reduced the time required to identify the numerical key for decoding a message encoded with the widely used Data Encryption Standard (154: 77).
For example, the Data Encryption Standard (DES), the technique most widely used by the US government to encrypt sensitive but unclassified data, employs 16 rounds of substitution and permutation before it has completed its encryption task.
The most popular code, DES (data encryption standard), is a government standard encryption design.
The cipher has a striking resemblance to the class of Feistel ciphers which include the Data Encryption Standard [3], where the basic building block works on the two halves of the ciphertext block.
The National Bureau of Standards has greatly improved on wartime encryption with development of its Data Encryption Standard (DES).

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