信息工程大学学报2024，Vol.25Issue(3)：331-337,7.DOI:10.3969/j.issn.1671-0673.2024.03.012
MANTIS4.5密码算法的中间相遇攻击
Meet-in-the-Middle Attack on MANTIS4.5
摘要
Abstract
The MANTIS in which the Substitution-permutation network(SPN)structure and TWEAKEY framework are adopted is a lightweight tweakable block cipher.By researching the structural character-istic of the MANTIS,an r=3 meet-in-the-middle distinguisher against the MANTIS was constructed with the multiset,key-dependent sieve,key bridging and other techniques in this paper.A meet-in-the-middle attack against the r=4.5 MANTIS was implemented by using the distinguisher.The complexi-ties of the memory,data and time respectively are 268 128-bit blocks,253 chosen plaintexts and 2121.8 MANTIS4.5 encryptions.关键词
分组密码/MANTIS密码算法/中间相遇攻击/多重集/相关密钥筛选Key words
block cipher/MANTIS/meet-in-the-middle attack/multiset/key-dependent sieve分类
信息技术与安全科学引用本文复制引用
李征,李曼曼,陈少真..MANTIS4.5密码算法的中间相遇攻击[J].信息工程大学学报,2024,25(3):331-337,7.
