J. Schaad and R. Housley. <a href="http://www.ietf.org/rfc/rfc3394.txt"><cite>RFC3394: Advanced Encryption Standard (AES) Key Wrap Algorithm</cite></a>.  IETF Informational RFC, September 2002. URI: <a href="http://www.rfc-editor.org/rfc/rfc3394.txt">http://www.rfc-editor.org/rfc/rfc3394.txt</a>