Page 4, 5, Security Notes: I figure 7,200 bytes/sec is 26 MB/hour; 48 GB would take about 77 days to generate, so even the most long-winded should not have their conversations interrupted by a key refresh. Norm Norman Shulman Secure Computing Canada Systems Developer Tel 1 416 813 2075 norm@tor.securecomputing.com Fax 1 416 813 2001