SCENERY:a lightweight block cipher based on Feistel structure  

作　　者：Jingya FENG Lang LI 

机构地区：[1]Hunan Provincial Key Laboratory of Intelligent Information Processing and Application,Hengyang Normal University,Hengyang 421002,China [2]College of Information Science and Engineering,Hunan Normal University,Changsha 410081,China [3]College of Computer Science and Technology,Hengyang Normal University,Hengyang 421002,China

出　　处：《Frontiers of Computer Science》2022年第3期193-202,共10页中国计算机科学前沿（英文版）

基　　金：This research was supported by the Scientific Research Fund of Hunan Provincial Education Department(19A072);Application-oriented Special Disciplines,Double First-Class University Project of Hunan Province(Xiangjiaotong[2018]469);the Science and Technology Plan Project of Hunan Province(2016TP1020).

摘　　要：In this paper,we propose a new lightweight block cipher called SCENERY.The main purpose of SCENERY design applies to hardware and software platforms.SCENERY is a 64-bit block cipher supporting 80-bit keys,and its data processing consists of 28 rounds.The round function of SCENERY consists of 84×4 S-boxes in parallel and a 32× 32 binary matrix,and we can implement SCENERY with some basic logic instructions.The hardware implementation of SCENERY only requires 1438 GE based on 0.18 um CMOS technology,and the software implementation of encrypting or decrypting a block takes approximately 1516 clock cycles 0118-bit microcontrollers and 364 clock cycles on 64-bit processors.Compared with other encryption algorithms,the performance of SCENERY is well balanced for both hardware and software.By the security analyses,SCENERY can achieve enough security margin against known attacks,such as differential cryptanalysis,linear cryptanalysis,impossible differential cryptanalysis and related-key attacks.

关 键 词：lightweight block cipher feistel structure CRYPTANALYSIS internet of things 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]