• cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called blocks. Block ciphers are the elementary...
    50 KB (6,475 words) - 10:19, 23 June 2024
  • Thumbnail for Block cipher mode of operation
    In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or...
    52 KB (5,878 words) - 20:56, 12 August 2024
  • cryptography, a Feistel cipher (also known as Luby–Rackoff block cipher) is a symmetric structure used in the construction of block ciphers, named after the...
    10 KB (1,316 words) - 05:28, 15 May 2024
  • Thumbnail for GOST (block cipher)
    GOST block cipher (Magma), defined in the standard GOST 28147-89 (RFC 5830), is a Soviet and Russian government standard symmetric key block cipher with...
    13 KB (1,339 words) - 18:53, 14 April 2024
  • Thumbnail for Stream cipher
    stream. Stream ciphers represent a different approach to symmetric encryption from block ciphers. Block ciphers operate on large blocks of digits with...
    23 KB (2,217 words) - 13:45, 7 May 2024
  • Thumbnail for Cipher
    In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a...
    17 KB (2,099 words) - 21:11, 28 July 2024
  • Thumbnail for Symmetric-key algorithm
    use either stream ciphers or block ciphers. Stream ciphers encrypt the digits (typically bytes), or letters (in substitution ciphers) of a message one...
    15 KB (1,544 words) - 02:53, 7 June 2024
  • In cryptography, the Iraqi block cipher was a block cipher published in C source code form by anonymous FTP upload around July 1999, and widely distributed...
    4 KB (431 words) - 11:54, 5 June 2023
  • Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in many cipher suites and encryption products. Blowfish provides...
    17 KB (1,895 words) - 19:43, 14 August 2024
  • Thumbnail for Advanced Encryption Standard
    Standards and Technology (NIST) in 2001. AES is a variant of the Rijndael block cipher developed by two Belgian cryptographers, Joan Daemen and Vincent Rijmen...
    49 KB (5,595 words) - 13:33, 7 August 2024