Security and Communication Networks / 2017 / Article / Alg 4

Research Article

A Cloud-User Protocol Based on Ciphertext Watermarking Technology

Algorithm 4

Paillier.
Generate n = q p where p and q are both random
large prime;
Generate g as a random number of
Public key (n,g), Private key (p,q)
#encryption:
randomly select r < n
mod
return  
#decryption:
mod
return  
#addition:
return  

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