Feistel Cipher

Feistel Cipher

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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, a Feistel cipher is a symmetric structure used in the construction of block ciphers, named after the German-born physicist and cryptographer Horst Feistel who did pioneering research while working for IBM; it is also commonly known as a Feistel network. A large proportion of block ciphers use the scheme, including the Data Encryption Standard. The Feistel structure has the advantage that encryption and decryption operations are very similar, even identical in some cases, requiring only a reversal of the key schedule. Therefore the size of the code or circuitry required to implement such a cipher is nearly halved.show more

Product details

  • Paperback | 56 pages
  • 152 x 229 x 3mm | 95g
  • Ord Publishing
  • United States
  • English
  • black & white illustrations
  • 6136263297
  • 9786136263298