结果表明，在所用分组密码是伪随机置换的条件下，方案在分块适应性攻击模型下是可证明安全的。

Investigation shows that the scheme is provable security under the blockwise adaptive attack model if the underlying block cipher is a pseudorandom permutation.

youdao

结果表明，在所用分组密码是伪随机置换的条件下，方案在分块适应性攻击模型下是可证明安全的。

Investigation shows that the scheme is provable security under the blockwise adaptive attack model if the underlying block cipher is a pseudorandom permutation.

youdao