| | Definition: | | (AES, Rijndael) The symmetric block cipher, designed by Joan Daemen and Vincent Rijmen, that won the nist's contest for a replacement for the data encryption standard (DES). Final, official acceptance as a Federal Information Processing Standard (FIPS) is expected some time between April and June 2001. AES currently supports 128, 192 and 256-bit keys and encryption blocks, but may be extended in multiples of 32 bits. home. rijndael home page. |