so, erm, sorry if i seem stupid... but so what?....
On 02/08/07, Paul Ferguson <[EMAIL PROTECTED]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Way to go, Neal. :-) > > [snip] > > Neal Krawetz, a researcher and computer security consultant, gave an > interesting presentation today at the BlackHat security conference in Las > Vegas about analyzing digital photographs and video images for alterations > and enhancements. > > Using a program he wrote (and provided on the conference CD-ROM) Krawetz > could print out the quantization tables in a JPEG file (that indicate how > the image was compressed) and determine the last tool that created the > image -- that is, the make and model of the camera if the image is original > or the version of Photoshop that was used to alter and re-save the image. > > Comparing that data to the metadata embedded in the image he could > determine if the photo was original or had been re-saved or altered. Then, > using error level analysis of an image he could determine what were the > last parts of an image that were added or modified. > > [snip] > > More: > http://blog.wired.com/27bstroke6/2007/08/researchers-ana.html > > - - ferg > > -----BEGIN PGP SIGNATURE----- > Version: PGP Desktop 9.6.2 (Build 2014) > > wj8DBQFGsRKBq1pz9mNUZTMRAvyEAJ4jlnx/yB8AIxlS+jpqeytmzEPS8ACgnI2T > tsKXo5QbxpzSpg02R9PiDZQ= > =8zEU > -----END PGP SIGNATURE----- > > > > -- > "Fergie", a.k.a. Paul Ferguson > Engineering Architecture for the Internet > fergdawg(at)netzero.net > ferg's tech blog: http://fergdawg.blogspot.com/ > > > _______________________________________________ > Fun and Misc security discussion for OT posts. > https://linuxbox.org/cgi-bin/mailman/listinfo/funsec > Note: funsec is a public and open mailing list. > _______________________________________________ Fun and Misc security discussion for OT posts. https://linuxbox.org/cgi-bin/mailman/listinfo/funsec Note: funsec is a public and open mailing list.
