Nelson Minar wrote: | What, a discussion of cryptography on the cypherpunks list? | | aba@dcs.ex.ac.uk (Adam Back) writes: | >>Where is highly sophisticated stego? | >What are our options? | >- Stego in english text. | >- Stego in audio and graphic file formats | >- Stego in Internet Phone protocols. | >- Stego in Internet video conference formats | | What about stego in IP itself? It's been awhile since I've looked, but | aren't there some bits one could subvert in the TCP/IP headers themselves? A bunch of must be zeros. Easy to see. A machine with two interfaces could send data by choosing the interface to send on. Ping, DNS, and ICMP all have lots of space for data. Adam -- "Every year the Republicans campaign like Libertarians, and then go to Wasthington and spend like Democrats." Vote Harry Browne for President. http://www.harrybrowne96.org