Abstract: A method for visually authenticating photos comprises: calculating a first digital signature based on photo data corresponding to a photo to obtain first signature data, and storing the first signature data; and when a picture is displayed, implementing signature verification based on the picture data corresponding to the picture and the first signature data, and displaying an authentic mark with the picture when the signature verification succeeds. An apparatus for creating and assigning photos and an apparatus for visually authenticating photos are also disclosed.

Abstract: A method for generating a real time attribute mark of a picture comprises: extracting a first time from picture data corresponding to the picture; obtaining a current time; calculating a time interval between the first time and the current time; and generating a real time attribute mark indicating the time interval. An apparatus for generating a real time attribute mark of a picture is also disclosed.