CLIFD: A novel image forgery detection technique using digital signatures.

Khan, Sahib; Ali, Arslan

The paper presents a new image forgery detection technique. The proposed technique uses digital signatures; it generates a digital signature for each column and embeds the signature in the least significant bits of each corresponding column’s selected pixels. The message digest algorithm 5 (MD5) is used for digital signature generation, and the four-least-significant-bit substitution mechanism is used to embed the signature in the designated pixels. The embedding of the digital signature in the selected pixel remains completely innocent and undetectable for the human visual system. The proposed forgery detection technique has demonstrated significant results against different types of forgeries introduced to digital images and successfully detected and pointed out the forged columns.

DIGITAL signatures; FORGERY; IMAGE encryption; DIGITAL images; PIXELS

Journal of Engineering Research (2307-1877), 2021, Vol 9, Issue 1, p168

2307-1877

Academic Journal

10.36909/jer.v9i1.8379