Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Key_whitening> ?p ?o. }
Showing items 1 to 24 of
24
with 100 items per page.
- 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 wikiPageRevisionID "599466056".
- Key_whitening hasPhotoCollection Key_whitening.
- Key_whitening subject Category:Block_ciphers.
- Key_whitening subject Category:Key_management.
- Key_whitening type Abstraction100002137.
- Key_whitening type BlockCiphers.
- Key_whitening type Cipher106254239.
- Key_whitening type Communication100033020.
- Key_whitening type Message106253690.
- 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 label "Key whitening".
- Key_whitening label "Key whitening".
- Key_whitening label "白化 (密码学)".
- Key_whitening sameAs Key_Whitening.
- Key_whitening sameAs Key_whitening.
- Key_whitening sameAs m.08j3ps.
- Key_whitening sameAs Q743153.
- Key_whitening sameAs Q743153.
- Key_whitening sameAs Key_whitening.
- Key_whitening wasDerivedFrom Key_whitening?oldid=599466056.
- Key_whitening isPrimaryTopicOf Key_whitening.