Rijndael: Essential Links

http://www.esat.kuleuven.ac.be/~rijmen/rijndael/ - Rijndael Home Page (Sacred ground.)
http://www.tropsoft.com/strongenc/rijndael.htm - link to the pdf file of the rijndael specs (1mb)
http://csrc.nist.gov/CryptoToolkit/aes/rijndael/ - 3rd to the last pdf link ang importante

update 08/16:
http://developers.sun.com/techtopics/mobility/midp/ttips/dataencryp/
http://lists.gnu.org/archive/html/gnu-crypto-discuss/2004-12/msg00009.html