Canon EOS 60D Instruction Manual page 43

Custom Function Settings*
0: Disable
1 : Enable
Data for verifying whether the image is original or not is appended to the
image automatically. When the shooting information of an image
appended with the verification data is displayed (p.191), the < _ > icon
will appear.
To verify whether the image is original, the Original Data Security Kit
OSK-E3 (sold separately) is required.
[] The images are not €ompafib!e with the image encrypfion/deCryption ......
features of Origin!! Data Security Kit OSK-E3,
260