Data Encryption Standard - Hutchinson encyclopedia article about Data Encryption Standard

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Data Encryption Standard

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Data Encryption Standard

In computing, widely used US government standard for encryption, adopted in 1977 and recertified for five more years in 1993. DES was developed by IBM and adopted as a government standard by the National Security Agency. It is a private-key system, so that the sender and recipient encrypt and decrypt the message using the same key.

This means that a secure way has to be found to send the key from one party to the other; any third party who has the key can decrypt the encoded transmissions. Concerns over the long-term security of DES in the face of increasingly available cheap hardware have been somewhat mitigated by new techniques such as triply encrypted DES.

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cryptography
DES

symmetric-key cryptography

In 1977 the Data Encryption Standard (DES and later Triple DES) was adopted in the United States as the first federal standard.

Preparing for encryption: new threats, legal requirements boost need ... by Moore, Fred / Computer Technology Review

Specific functions include the Data Encryption Standard (DES) for encryption and decryption, secure key storage and Secure Hash Algorithm (SHA) acceleration.

Transmeta's Crusoe processor chosen by Densitron for use in new ... by EDP Weekly's IT Monitor

Other cryptographic algorithms currently validated by the CMVP are the Data Encryption Standard (DES), the Triple Data Encryption Standard (TDES), the Digital Signature Algorithm (DSA), the Secure Hash Algorithm (SHA-1), and the Random Number Generator algorithm (RNG).

NIST validates 100th Advanced Encryption Standard implementation by Journal of Research of the National Institute of Standards and Technology

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