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

English
2026-03-20
€149.47 €213.53

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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 ciphe ... Full description

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Description

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.

More Information

Publisher OmniScriptum
Release year 2026
Cover type Softcover
EAN 9786130354817
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€149.47 €213.53