5 History – AES Selection Process Timeline NIST Announces Call for Algorithms September 1997 First AES Candidate Conference August 1998 Second AES Candidate Conference March 1999 Third AES Candidate Conference April 2000 NIST Announces Rijndael for AES October 2000 Federal Information Processing Standard (FIPS) Published February 2001 15 Algorithms 5 Algorithms Final Discussions DES Stinks!