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  • ...report, Sincerely yours'', etc. The primary use of padding with classical ciphers is to prevent the cryptanalyst from using that predictability to find cribs Many classical ciphers arrange the plaintext into particular patterns (e.g., squares, rectangles, ...
    6 KB (951 words) - 16:42, 14 June 2007
  • ...d Encryption Standard''' ('''AES'''), also known as '''Rijndael''', is a [[block cipher]] adopted as an [[encryption]] standard by the Federal government of ...e of 128, 192, or 256 bits, whereas Rijndael can be specified with key and block sizes in any multiple of 32 bits, with a minimum of 128 bits and a maximum ...
    18 KB (2,766 words) - 11:41, 28 March 2008
  • ...y are the mode of operations and must be carefully considered when using a block cipher in a cryptosystem.<br> ...Standard]] (DES) and the [[AES | Advanced Encryption Standard]] (AES) are block cipher designs which have been designated [[cryptography standards]] by the ...
    26 KB (3,873 words) - 11:44, 28 March 2008