常見例句雙語例句With the development of the theory of provable security, the MACs, which have security proof, are the first choice of many people.隨著可證明安全理論的逐漸成熟，具備可證明安全的消息認(rèn)證碼無疑成為人們的首選。Investigation shows that the scheme is provable security under the blockwise adaptive attack model if the underlying block cipher is a pseudorandom permutation.結(jié)果表明，在所用分組密碼是偽隨機(jī)置換的條件下，方案在分塊適應(yīng)性攻擊模型下是可證明安全的。In this paper, based on provable security theory, a provable security cipher DFC is improved on speed without lost of security by means of fast implementation of square hash function.介紹基于對稱密碼系統(tǒng)的可證明安全理論，利用平方哈希函數(shù)實(shí)現(xiàn)技術(shù)，對一種可證明安全算法DFC實(shí)施改進(jìn)后，安全性沒有損失，但是速度得到了提高。 返回 provable security