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- Key_whitening abstract "In cryptography, key whitening is a technique intended to increase the security of an iterated block cipher. It consists of steps that combine the data with portions of the key.The most common form of key whitening is xor-encrypt-xor -- using a simple XOR before the first round and after the last round of encryption.The first block cipher to use a form of key whitening is DES-X, which simply uses two extra 64-bit keys for whitening, beyond the normal 56-bit key of DES. This is intended to increase the complexity of a brute force attack, increasing the effective size of the key without major changes in the algorithm. DES-X's inventor, Ron Rivest, named the technique whitening.The cipher FEAL (followed by Khufu and Khafre) introduced the practice of key whitening using portions of the same key used in the rest of the cipher. Obviously this offers no additional protection from brute force attacks, but it can make other attacks more difficult. In a Feistel cipher or similar algorithm, key whitening can increase security by concealing the specific inputs to the first and last round functions. In particular, it is not susceptible to a meet-in-the-middle attack. This form of key whitening has been adopted as a feature of many later block ciphers, including AES, MARS, RC6, and Twofish.".
- Key_whitening wikiPageID "2990178".
- Key_whitening wikiPageLength "1884".
- Key_whitening wikiPageOutDegree "22".
- Key_whitening wikiPageRevisionID "599466056".
- Key_whitening wikiPageWikiLink Advanced_Encryption_Standard.
- Key_whitening wikiPageWikiLink Block_cipher.
- Key_whitening wikiPageWikiLink Brute-force_attack.
- Key_whitening wikiPageWikiLink Brute_force_attack.
- Key_whitening wikiPageWikiLink Category:Block_ciphers.
- Key_whitening wikiPageWikiLink Category:Key_management.
- Key_whitening wikiPageWikiLink Cryptography.
- Key_whitening wikiPageWikiLink DES-X.
- Key_whitening wikiPageWikiLink Data_Encryption_Standard.
- Key_whitening wikiPageWikiLink Encryption.
- Key_whitening wikiPageWikiLink Exclusive_or.
- Key_whitening wikiPageWikiLink FEAL.
- Key_whitening wikiPageWikiLink Feistel_cipher.
- Key_whitening wikiPageWikiLink John_Wiley_&_Sons.
- Key_whitening wikiPageWikiLink Key_(cryptography).
- Key_whitening wikiPageWikiLink Khufu_and_Khafre.
- Key_whitening wikiPageWikiLink MARS_(cryptography).
- Key_whitening wikiPageWikiLink Meet-in-the-middle_attack.
- Key_whitening wikiPageWikiLink RC6.
- Key_whitening wikiPageWikiLink Ron_Rivest.
- Key_whitening wikiPageWikiLink Twofish.
- Key_whitening wikiPageWikiLink Whitening_transformation.
- Key_whitening wikiPageWikiLink XOR.
- Key_whitening wikiPageWikiLink Xor-encrypt-xor.
- Key_whitening wikiPageWikiLinkText "Key whitening".
- Key_whitening wikiPageWikiLinkText "key whitening".
- Key_whitening wikiPageWikiLinkText "post-whitening".
- Key_whitening hasPhotoCollection Key_whitening.
- Key_whitening wikiPageUsesTemplate Template:Cite_book.
- Key_whitening wikiPageUsesTemplate Template:Cryptography_navbox.
- Key_whitening subject Category:Block_ciphers.
- Key_whitening subject Category:Key_management.
- Key_whitening hypernym Technique.
- Key_whitening type Software.
- Key_whitening comment "In cryptography, key whitening is a technique intended to increase the security of an iterated block cipher. It consists of steps that combine the data with portions of the key.The most common form of key whitening is xor-encrypt-xor -- using a simple XOR before the first round and after the last round of encryption.The first block cipher to use a form of key whitening is DES-X, which simply uses two extra 64-bit keys for whitening, beyond the normal 56-bit key of DES.".
- Key_whitening label "Key whitening".
- Key_whitening sameAs Key_Whitening.
- Key_whitening sameAs Key_whitening.
- Key_whitening sameAs m.08j3ps.
- Key_whitening sameAs Key_whitening.
- Key_whitening sameAs Q743153.
- Key_whitening sameAs Q743153.
- Key_whitening sameAs 白化_(密码学).
- Key_whitening wasDerivedFrom Key_whitening?oldid=599466056.
- Key_whitening isPrimaryTopicOf Key_whitening.