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Subject: Computer Science
Title:
full-round differential attack on twis block cipher
Author: Su Bozhan ; Wu Wenling ; Zhang Lei ; Li Yanjun
Conference Name: 11th International Workshop on Information Security Applications (WISA 2010)
Conference Date: AUG 24-26,
Issued Date: 2011
Conference Place: Jeju Island, SOUTH KOREA
Keyword: Block Cipher ; TWIS ; G-TWIS ; Differential Distinguisher ; Differential Cryptanalysis
Indexed Type: ISTP
ISSN: 0302-9743
ISBN: 978-3-642-17954-9
Department: Su Bozhan Chinese Acad Sci Inst Software State Key Lab Informat Secur Beijing 100190 Peoples R China.
Sponsorship: Minist Publ Adm & Secur, Korea Commun Commiss
Abstract: The 128-bit block cipher TWIS was proposed by Ojha et al in 2009. It is a lightweight block cipher and its design is inspired from CLEFIA. In this paper, we first study the properties of TWIS structure, and as an extension we also consider the generalized TWIS-type structure named G-TWIS cipher whose block size and round number are 4m and n repectively, where n and m are any positive integers. Then we present a series of 10-round differential distinguishers for TWIS and an n-round differential distinguisher for G-TWIS whose probabilities are all equal to 1. It shows that 10-round TWIS cipher and n-round G-TWIS cipher can be distinguished efficiently from random permutation.
English Abstract: The 128-bit block cipher TWIS was proposed by Ojha et al in 2009. It is a lightweight block cipher and its design is inspired from CLEFIA. In this paper, we first study the properties of TWIS structure, and as an extension we also consider the generalized TWIS-type structure named G-TWIS cipher whose block size and round number are 4m and n repectively, where n and m are any positive integers. Then we present a series of 10-round differential distinguishers for TWIS and an n-round differential distinguisher for G-TWIS whose probabilities are all equal to 1. It shows that 10-round TWIS cipher and n-round G-TWIS cipher can be distinguished efficiently from random permutation.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/16232
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Su Bozhan,Wu Wenling,Zhang Lei,et al. full-round differential attack on twis block cipher[C]. 见:11th International Workshop on Information Security Applications (WISA 2010). Jeju Island, SOUTH KOREA. AUG 24-26,.
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