Patent ID: 9535406
Date: 2017-01-03
CPC Classifications: G04F,G06K,G06T,H04L

Claim:
1. A method for generating a real time attribute mark of a picture, comprising: authenticating whether the picture is a trustable picture, comprising: obtaining first signature data by calculating a first digital signature based on photo data corresponding to a photo which is an original version of the picture and storing the first signature data in a picture file corresponding to the picture; extracting the first signature data and picture data from the picture file corresponding to the picture; calculating a second digital signature based on the extracted picture data to obtain second signature data; and comparing the first signature data with the second signature data, and after determining that the picture is trustable, 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; generating a real time attribute mark indicating the time interval between the first time and the current time; and displaying the real time attribute mark on a display included in a tangible electric apparatus, wherein the real time attribute mark is an arrow on an analog clock.