Steganography and Steganalysis

[Stig]

In <9305252227.AA27968 at toad.com>, John Gilmore wrote...
> My favorite scheme was to encode messages in trailing spaces and/or tabs
> in netnews messages.  You could also put internal tabs in place of spaces.
> 
> In fact, you could do this with news messages that flow "through" your 
> site, (if the messages aren't protected with a crypto checksum), so that
> you would not be the message's sender (and it wouldn't be addressed to anyone
> either -- recipients get very good privacy).
> 
> This would be one way for a Unix "worm" program to report back to its
> master...and/or receive instructions.
> 
> 	John Gilmore
> 
> PS:  You could put short interesting stuff just in your message-ID's!
> Not to mention the low order bits of timestamps (exactly *what* second
> did it arrive, now?).


/* Jonathan Stigelman, Stig at netcom.com, PGP public key by finger  */
/* fingerprint = 32 DF B9 19 AE 28 D1 7A  A3 9D 0B 1A 33 13 4D 7F */