A New Digital Watermarking Method for Data Integrity Protection in the Perception Layer of IoT

Algorithm 3

Watermark extraction algorithm.

Input: input parameters

Output: Integrity verification result

() index ;

()  ;

() ;

() for to do

()    ;

()    ;

() for to do

()    ;

()    = ;

() for to do

()   Data Data ;

()  ;

()  ;

()  Hash();

()  MSB();

() if then

()   Return (Integrity intact);

() else

()   Return (Integrity tampered);