Keith, > the only way to reliably know a client is if the client presents you with > cryptographic proof that they sent that message, and you trust the keying > material on which that proof is based.
Well stated! jak -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------