计算机科学 ›› 2018, Vol. 45 ›› Issue (4): 152-156.doi: 10.11896/j.issn.1002-137X.2018.04.025
郑秀林,宋海燕,付伊鹏
ZHENG Xiu-lin, SONG Hai-yan and FU Yi-peng
摘要: MORUS算法是被提交到CAESAR竞赛中的一种认证加密算法,已经进入第三轮安全评估。对算法进行区分分析对于其安全性评估具有很重要的意义。以MORUS-1280-128为例,在nonce重用的情况下,对算法进行区分分析能够区分出密文的绝大部分比特,并通过寻找内部状态碰撞对算法进行标签伪造攻击。该研究结果对MORUS算法的安全性分析有很重要的意义。
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