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• Data_Encryption_Standard abstract "The Data Encryption Standard (DES, /ˌdiːˌiːˈɛs/ or /ˈdɛz/) is a previously predominant symmetric-key algorithm for the encryption of electronic data. It was highly influential in the advancement of modern cryptography in the academic world. Developed in the early 1970s at IBM and based on an earlier design by Horst Feistel, the algorithm was submitted to the National Bureau of Standards (NBS) following the agency's invitation to propose a candidate for the protection of sensitive, unclassified electronic government data. In 1976, after consultation with the National Security Agency (NSA), the NBS eventually selected a slightly modified version, which was published as an official Federal Information Processing Standard (FIPS) for the United States in 1977. The publication of an NSA-approved encryption standard simultaneously resulted in its quick international adoption and widespread academic scrutiny. Controversies arose out of classified design elements, a relatively short key length of the symmetric-key block cipher design, and the involvement of the NSA, nourishing suspicions about a backdoor. The intense academic scrutiny the algorithm received over time led to the modern understanding of block ciphers and their cryptanalysis.DES is now considered to be insecure for many applications. This is chiefly due to the 56-bit key size being too small; in January, 1999, distributed.net and the Electronic Frontier Foundation collaborated to publicly break a DES key in 22 hours and 15 minutes (see chronology). There are also some analytical results which demonstrate theoretical weaknesses in the cipher, although they are infeasible to mount in practice. The algorithm is believed to be practically secure in the form of Triple DES, although there are theoretical attacks. In recent years, the cipher has been superseded by the Advanced Encryption Standard (AES). Furthermore, DES has been withdrawn as a standard by the National Institute of Standards and Technology (formerly the National Bureau of Standards).Some documentation makes a distinction between DES as a standard and DES as an algorithm, referring to the algorithm as the DEA (Data Encryption Algorithm).".
• Data_Encryption_Standard thumbnail Data_Encryption_Standard_InfoBox_Diagram.png?width=300.
• Data_Encryption_Standard wikiPageExternalLink summary?doi=10.1.1.50.8472.
• Data_Encryption_Standard wikiPageExternalLink sac01.html.
• Data_Encryption_Standard wikiPageExternalLink cracking-des.htm.
• Data_Encryption_Standard wikiPageExternalLink 05-9945-DES-Withdrawl.pdf.
• Data_Encryption_Standard wikiPageExternalLink fips46-3.pdf.
• Data_Encryption_Standard wikiPageExternalLink des.
• Data_Encryption_Standard wikiPageExternalLink 057.ps.gz.
• Data_Encryption_Standard wikiPageExternalLink differential%20cryptanalysis%20of%20des-like%20cryptosystems.pdf.
• Data_Encryption_Standard wikiPageExternalLink 3.
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• Data_Encryption_Standard wikiPageExternalLink mla.pdf.
• Data_Encryption_Standard wikiPageExternalLink fip46-2.htm.
• Data_Encryption_Standard wikiPageExternalLink coppersmith.pdf.
• Data_Encryption_Standard wikiPageExternalLink rfc4772.txt.
• Data_Encryption_Standard wikiPageExternalLink copacobana.
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• Data_Encryption_Standard wikiPageID "7978".
• Data_Encryption_Standard wikiPageRevisionID "602802969".
• Data_Encryption_Standard blockSize "64".
• Data_Encryption_Standard caption "The Feistel function of DES".
• Data_Encryption_Standard cryptanalysis "DES is now considered insecure because a brute force attack is possible . As of 2008, the best analytical attack is linear cryptanalysis, which requires 243 known plaintexts and has a time complexity of 239–43 .".
• Data_Encryption_Standard date "20070615132907".
• Data_Encryption_Standard derivedFrom Lucifer_(cipher).
• Data_Encryption_Standard derivedTo DES-X.
• Data_Encryption_Standard derivedTo GDES.
• Data_Encryption_Standard derivedTo ICE_(cipher).
• Data_Encryption_Standard derivedTo LOKI.
• Data_Encryption_Standard derivedTo Triple_DES.
• Data_Encryption_Standard designers IBM.
• Data_Encryption_Standard hasPhotoCollection Data_Encryption_Standard.
• Data_Encryption_Standard keySize "56".
• Data_Encryption_Standard name "Data Encryption Standard".
• Data_Encryption_Standard publishDate "1977".
• Data_Encryption_Standard rounds "16".
• Data_Encryption_Standard structure "Balanced Feistel network".
• Data_Encryption_Standard title "The data encryption standard and its strength against attacks".
• Data_Encryption_Standard url coppersmith.pdf.
• Data_Encryption_Standard subject Category:Broken_block_ciphers.
• Data_Encryption_Standard subject Category:Data_Encryption_Standard.
• Data_Encryption_Standard subject Category:Feistel_ciphers.
• Data_Encryption_Standard type Abstraction100002137.
• Data_Encryption_Standard type BrokenBlockCiphers.
• Data_Encryption_Standard type Cipher106254239.
• Data_Encryption_Standard type Communication100033020.
• Data_Encryption_Standard type FeistelCiphers.
• Data_Encryption_Standard type Message106253690.
• Data_Encryption_Standard comment "The Data Encryption Standard (DES, /ˌdiːˌiːˈɛs/ or /ˈdɛz/) is a previously predominant symmetric-key algorithm for the encryption of electronic data. It was highly influential in the advancement of modern cryptography in the academic world.".
• Data_Encryption_Standard label "DES".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "Data Encryption Standard".
• Data_Encryption_Standard label "معيار تشفير البيانات".
• Data_Encryption_Standard label "資料加密標準".
• Data_Encryption_Standard sameAs Data_Encryption_Standard.
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• Data_Encryption_Standard sameAs DES.
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• Data_Encryption_Standard sameAs Data_Encryption_Standard.
• Data_Encryption_Standard sameAs Data_Encryption_Standard.
• Data_Encryption_Standard sameAs DES_(암호).
• Data_Encryption_Standard sameAs Data_Encryption_Standard.
• Data_Encryption_Standard sameAs Data_Encryption_Standard.
• Data_Encryption_Standard sameAs Data_Encryption_Standard.
• Data_Encryption_Standard sameAs m.0270z.
• Data_Encryption_Standard sameAs Q135035.
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• Data_Encryption_Standard sameAs Data_Encryption_Standard.
• Data_Encryption_Standard wasDerivedFrom Data_Encryption_Standard?oldid=602802969.
• Data_Encryption_Standard depiction Data_Encryption_Standard_InfoBox_Diagram.png.
• Data_Encryption_Standard homepage fips46-3.pdf.
• Data_Encryption_Standard isPrimaryTopicOf Data_Encryption_Standard.