international data encryption algorithm

from The Free On-line Dictionary of Computing (8 July 2008)

International Data Encryption Algorithm

   <algorithm, cryptography> (IDEA) A conventional {encryption}
   {algorithm}, written by Xuejia Lai and James Massey, in 1992.

   It is a {block cipher}, considered to be the best and most
   secure available, and operates on 64-bit blocks with a 128 bit
   {key}.

   It is used by {Pretty Good Privacy}.

   (1996-03-07)