IMHO, Pretty Good Privacy, aka PGP is probably your best bet.
http://web.mit.edu/network/pgp.html Should fit your requirements nicely. -nd email: [EMAIL PROTECTED] He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you. -Friedrich Nietzsche, Jenseits von Gut und Bose (1886) This transmission may contain information that is privileged, confidential and/or exempt from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. If you received this transmission in error, please immediately contact the sender and destroy the material in its entirety, whether in electronic or hard copy format. Thank you.
