[Cryptography] stego mechanism used in real life (presumably), then outed

[mok-kong shen]

Am 06.06.2017 um 23:59 schrieb John Denker via cryptography:
> There are lots of forensic marking techniques.  [snip]
Intensional marking is some cases not necessary, e.g. due to sensor 
imperfections
there is a finger-printing technique to link pictures to the camera 
sensors that
acquired them.

M. K. Shen