Study for Android Smartphone’s Gallery Thumbnail Forensic Analysis


KIPS Transactions on Computer and Communication Systems, Vol. 6, No. 1, pp. 31-42, Jan. 2017
10.3745/KTCCS.2017.6.1.31,   PDF Download:
Keywords: Thumbnail, Graphic File, Smartphone, Mobile Forensic
Abstract

Thumbnail, the small sized graphic file such as JPEG or GIF, serves to help the users to be recognized as a rapidly helps to make it easier recognize while browsing the large sized graphic file. Gallery application, which is installed in a later version of the 4.4.x(Kitkat) Android smartphone records the generated time of graphic file in thumbnail metadata. Thumbnail can be used to draw up the timeline of user action about user’s action such as creation, modification, deletion with original graphic file analysis. Also, take advantage of the features thumbnails are stored sequentially in a single thumbcache file, even if the thumbcache is deleted, we can restore the thumbnails. This paper illustrates the feature of thumbnail created by Android OS basic gallery app and methods for utilization in digital forensics.


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Cite this article
[IEEE Style]
D. Yun and S. J. Lee, "Study for Android Smartphone’s Gallery Thumbnail Forensic Analysis," KIPS Transactions on Computer and Communication Systems, vol. 6, no. 1, pp. 31-42, 2017. DOI: 10.3745/KTCCS.2017.6.1.31.

[ACM Style]
Daeho Yun and Sang Jin Lee. 2017. Study for Android Smartphone’s Gallery Thumbnail Forensic Analysis. KIPS Transactions on Computer and Communication Systems, 6, 1, (2017), 31-42. DOI: 10.3745/KTCCS.2017.6.1.31.