(AES) The NIST' s replacement for the Data Encryption Standard (DES). The Rijndael /rayn-dahl/ symmetric Block cipher, designed By Joan Daemen and Vincent Rijmen, was chosen By a NIST contest to Be AES. AES is Federal Information Processing Standard FIPS-197. AES currently supports 128, 192 and 256-Bit keys and encryption Blocks, But may Be extended in multiples of 32 Bits. Start . {Rijndael home page (http://www.esat.kuleuven.ac.Be/~rijmen/rijndael/)}. (2003-07-04)