Finally this paper shows that two kinds of the improved schemes proposed by Qi can not resist the homomorphism attack, and does not have the security as Qi said.

本文最后还证明了他们提出的两类改进型方案也不能抵御同态攻击，因而并不具有所说的安全性。

youdao

Finally this paper shows that two kinds of the improved schemes proposed by Qi can not resist the homomorphism attack, and does not have the security as Qi said.

本文最后还证明了他们提出的两类改进型方案也不能抵御同态攻击，因而并不具有所说的安全性。

youdao