<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div><blockquote type="cite" class=""><span style="font-family: "Helvetica Neue";" class="">Terakey(tm) is a cipher that offers confidentiality properties provable from first principles. It employs a shared secret key substantially larger than the anticipated volume of message traffic. Key bytes are extracted pseudo-randomly from the large key, using a message indicator as the seed....</span></blockquote>Gee, sounds like an old idea to use a high-resolution photo of the moon. The way that was set up, the underlying random-looking database - in this case, the brightness values of the picture - didn't even have to be private.</div><div><br class=""></div><div><div> -- Jerry</div><div class=""><br class=""></div></div></body></html>