Security and Communication Networks / 2017 / Article / Alg 7

Research Article

A Cloud-User Protocol Based on Ciphertext Watermarking Technology

Algorithm 7

PHA.
Input: I
Output: hash
  
  =DCT()
  sum=0
  for    to  8  do
  
  
  end
  mid=
  for    to  8  do
  
  end
  return  

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