Re: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread AW
Just herd of this http://www.spammimic.com/ AW Alan wrote: On Tue, 2005-02-01 at 23:21 -0800, Steve Schear wrote: If you really want to send secret messages, just send it in the chaff in spam. Everyone is programmed to ignore it or filter it out.

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread J.A. Terranson
On Wed, 2 Feb 2005, Alan wrote: > If you really want to send secret messages, just send it in the chaff in > spam. Everyone is programmed to ignore it or filter it out. Yeah, but it doesn't make for great story copy or funding proposals ;-) -- Yours, J.A. Terranson [EMAIL PROTECTED] 0xBD4A95

Re: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread Sarad AV
hi, Tyler Durden wrote: >Are there certain images that can hide stego more >effectively? IN other words, >these images should have a lot of spectral energy in >the same frequency bands where Stego would normally >show. Yes, there should be a lot of noise in the image, some way or the other. If

Re: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread Eugen Leitl
On Tue, Feb 01, 2005 at 11:21:31PM -0800, Steve Schear wrote: > At 02:07 PM 2/1/2005, Tyler Durden wrote: > > >Counter-stego detection. > > > >Seems to me a main tool will be a 2-D Fourier analysis...Stego will > >certainly have a certain "thumbprint", depending on the algorithm. Are Stego does

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-02 Thread Alan
On Tue, 2005-02-01 at 23:21 -0800, Steve Schear wrote: > At 02:07 PM 2/1/2005, Tyler Durden wrote: > > >Counter-stego detection. > > > >Seems to me a main tool will be a 2-D Fourier analysis...Stego will > >certainly have a certain "thumbprint", depending on the algorithm. Are > >there certain i

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-01 Thread Steve Schear
At 02:07 PM 2/1/2005, Tyler Durden wrote: Counter-stego detection. Seems to me a main tool will be a 2-D Fourier analysis...Stego will certainly have a certain "thumbprint", depending on the algorithm. Are there certain images that can hide stego more effectively? IN other words, these images sh

RE: Researchers Combat Terrorists by Rooting Out Hidden Messages

2005-02-01 Thread Tyler Durden
Counter-stego detection. Seems to me a main tool will be a 2-D Fourier analysis...Stego will certainly have a certain "thumbprint", depending on the algorithm. Are there certain images that can hide stego more effectively? IN other words, these images should have a lot of spectral energy in the