A while back, Eric Blossom posted a URL for a mass-market, phone encyrption device (http://www.comsec.com/). The point of this post is to posit a scenario based on the implications of this product. This is speculation based on where I think such products should be heading. I think we need to keep a couple of goals in mind. The first, is to get encrypting phones (or phone add-ons) into Wal-mart, K-mart, etc (where probably most Americans now buy their phones). The prices need to be low enough that people will want to buy them (<$100?). Is this technically feasible? The comsec device from the above URL already demonstrates the needed capability. Is the cost target possible? My guess is soon, given the lowering costs and increasing capabilities of current processors. The second goal needs to be to push a similar product for cell-phones. I think this will be perhaps an easier sell, given the higher initial cost for these phones, and their reduced security. Perhaps a home device could be sold with the cell-phone as a package deal, so that communications with the "home base" (i.e your office, home, etc) would be secure. With the rapid growth in cell-phone sales, selling a package such as this might ensure a larger user-base of home devices. Given that these goals are met, I think widespread use of crypto over phone lines would become almost inevitable. However, the fun part would be the introduction of such products. The FUD coming from police, the government, etc. would be amazing to behold. Clay ******************************************************* Clay Olbon olbon@ix.netcom.com engineer, programmer, statistitian, etc. **********************************************tanstaafl