See:

http://partners.nytimes.com/2001/02/20/science/20CODE.html?Partner=AltaVista
&RefId=WLmY_WEFnnunFFnly_

"A computer science professor at Harvard says he has found a way to send
coded messages that cannot be deciphered, even by an all-powerful adversary
with unlimited computing power. And, he says, he can prove it."

Jim Phillips                           Information Systems Manager
Email: [log in to unmask]     Therm-O-Link, Inc.
Phone: 330-527-2124                         P. O. Box 285
Fax:   330-527-2123                           10513 Freedom Street
Web:   http://www.tolwire.com          Garrettsville, OH  44231