Articles liés à Twofish: Cryptography, Symmetric-Key Algorithm, Block...

Twofish: Cryptography, Symmetric-Key Algorithm, Block Cipher, Block Size, Advanced Encryption Standard Proces, Blowfish, Key Schedule, S-Box, Pseudo-Hadamard Transform - Couverture souple

 
9786130354817: Twofish: Cryptography, Symmetric-Key Algorithm, Block Cipher, Block Size, Advanced Encryption Standard Proces, Blowfish, Key Schedule, S-Box, Pseudo-Hadamard Transform
Couverture souple
ISBN 10 : 6130354819 ISBN 13 : 9786130354817
Editeur : Betascript Publishing, 2010

Synopsis

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In cryptography, Twofish is a symmetric key block cipher with a block size of 128 bits and key sizes up to 256 bits. It was one of the five finalists of the Advanced Encryption Standard contest, but was not selected for standardisation. Twofish is related to the earlier block cipher Blowfish.Twofish''s distinctive features are the use of pre-computed key-dependent S-boxes, and a relatively complex key schedule. One half of an n-bit key is used as the actual encryption key and the other half of the n-bit key is used to modify the encryption algorithm (key-dependent S-boxes). Twofish borrows some elements from other designs; for example, the pseudo-Hadamard transform (PHT) from the SAFER family of ciphers. Twofish uses the same Feistel structure as DES.

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Éditeur
Betascript Publishing
Date d'édition
2010
Langue
anglais
ISBN 10 
6130354819
ISBN 13 
9786130354817
Reliure
Broché
Nombre de pages
80
Éditeur
Surhone Lambert M., Timpledon Miriam T., Marseken Susan F.
Coordonnées du fabricant
non disponible
Personne responsable
non disponible