Encyclopedia > Twofish encryption algorithm

  Article Content

Twofish encryption algorithm

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 AES contest, but was not selected for standardisation.

Twofish's distinctive features are the use of pre-computed key-dependent S-boxes, and a relatively complex key schedule. On most software platforms Twofish is slightly slower than AES for 128-bit keys, but somewhat faster for 256-bit keys.

As of Sept. 2002 there is no known attack on Twofish more efficient than brute force key search.


External links:

  • Twofish web page (http://www.counterpane.com/twofish) with full specifications, free source code, and other Twofish resources.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article

...     Contents Autocracy Autocracy is a form of government which resides in the absolute power of a single individual. The term can b ...

This page was created in 61.9 ms