for a novel treatment of a dead man switch, read _Daemon_ by Leinad Zeruas
<spoiler> botnet that uses MainStreamMedia news feeds as a covert channel insofar as the MSM cannot help themselves but to publicize nasty events that the botnet is itself capable of causing, thus allowing the botnet to know collectively what each part of it is doing and that without a C&C channel other than the repurposed MSM; the fun begins when the botnet reads the obituary of a certain person </spoiler> --dan _______________________________________________ The cryptography mailing list cryptography@metzdowd.com http://www.metzdowd.com/mailman/listinfo/cryptography