量子算法在密码的差分分析中运用的重要性日益显现.在2020年亚密会上,董晓阳等给出了在敌手具有少量甚至不具备量子随机存取寄存器(quantum random access memory,qRAM)条件下如何实施AES类哈希函数的量子碰撞攻击,其中包括对入围SHA-3...
详细信息
量子算法在密码的差分分析中运用的重要性日益显现.在2020年亚密会上,董晓阳等给出了在敌手具有少量甚至不具备量子随机存取寄存器(quantum random access memory,qRAM)条件下如何实施AES类哈希函数的量子碰撞攻击,其中包括对入围SHA-3哈希函数设计竞赛决赛圈的5个算法之一的Grostl-512哈希函数的5轮量子碰撞攻击.通过进一步研究该5轮量子碰撞攻击,发现了一种针对5轮Grostl-512的新型量子碰撞攻击.利用振幅放大算法优化反弹攻击的搜索流程,使该攻击的量子复杂度较董晓阳等的攻击降低为原来的1/2^(24).
In this talk, the survey of automatic cryptanalysis of symmetric ciphers will be *** automatic search algorithms for differential, linear and division property for symmetric ciphers will be introduced, which include t...
In this talk, the survey of automatic cryptanalysis of symmetric ciphers will be *** automatic search algorithms for differential, linear and division property for symmetric ciphers will be introduced, which include that MILP-based automatic search algorithms for differential and linear Trails for ARX ciphers, Stp-based automatic search for differential and linear Trails for large S-box ciphers, automatic search for division property.
暂无评论