Orlin http://www.aci.net/kalliste/ and, of course,http://www.aci.net/kalliste/bw1.htm I got a big kick reading http://www.jya.com/tristrata.htm Especially, While a one-time pad is, in fact, theoretically unbreakable when used properly, the details of using it properly make it entirely unusable in any modern commercial or military setting. And This kind of system was used for the U.S.-Soviet teletype "hot line" and it is occasionally used for paper ciphers and spies, but that's it. Codes and Cryptography by Dominic Welsh references on page 126 Sandia's Gus Simmons as the source of the above. (And if users can exchange these keys, why can't they just exchange the messages?) I think the reason is that the users want to exchange keys for messages to be sent at a later time, perhaps electronically. But we have to stick to the position. Does the algorithm pass the Black and White test or not? No buts. Let's all hope for settlement of this UNFORTUNATE matter before it gets WORSE. bill Title: Black and White Test of Cryptographic Algorithms Jump to Forum Click Image to Jump to Next Article Go to Text Only Print Version Black and White Test of Cryptographic Algorithms by William H. Payne This article requires special formatting. Please Click Here to Read Send This Article to a Friend:   Your Name:   Email Address of your Friend:   Your Email address:           Back to Home Page Quick Menu Visit the Button Shop Interactive Forum Black and White Test of Cryptographic Algorithms E-mail the Editor