收稿日期: 2001-10-29
修回日期: 2001-12-27
网络出版日期: 2002-07-18
基金资助
国家杰出青年科学基金资助(60025205 );中国科学院研究生院信息安全国家重点实验室开放课题基金资助;973资助项目(G1999035802)
Design and Analysis of Block Cipher Algorithm SWING
Received date: 2001-10-29
Revised date: 2001-12-27
Online published: 2002-07-18
张雅 . “荡秋千”分组密码算法的设计与分析[J]. 中国科学院大学学报, 2002 , 19(4) : 348 -356 . DOI: 10.7523/j.issn.2095-6134.2002.4.002
The new symmet ric block cipher SWING which we put forward here is wholly performed by the state change of a shift register.We give the detailed encryption and decryption schemes and setting s of some necessary parameters.By the cryptanalysis of key bit avalanche effect and plaintext bit avalanche effect, we show that SWING has remarkable properties on defending of some usual ways of cry ptanaly sis and attacks, such as linear and differential cry ptanalysis, and related keys.Besides security, easy implementation and high speed of encryption and decryption, SWING has as well the feature of precision and simple structure which serves efficient confusion and diffusion.
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