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Title:
biclique cryptanalysis of reduced-round piccolo block cipher
Author: Wang Yanfeng ; Wu Wenling ; Yu Xiaoli
Source: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Conference Name: 8th International Conference on Information Security Practice and Experience, ISPEC 2012
Conference Date: April 9, 2012 - April 12, 2012
Issued Date: 2012
Conference Place: Hangzhou, China
Keyword: Security of data ; Security systems
Indexed Type: EI ; SPRINGER
ISSN: 0302-9743
ISBN: 9783642291005
Department: (1) State Key Laboratory of Information Security Institute of Software Chinese Academy of Sciences Beijing 100190 China; (2) Graduate University of Chinese Academy of Sciences Beijing 100049 China
Abstract: Piccolo is a lightweight block cipher, with a fixed 64-bit block size and variable key length 80- or 128-bit, which was proposed at CHES 2011. The iterative structure of Piccolo is a variant of Generalized Feistel Network. The transformation utilizing different-size-word based permutation improves diffusion property of Piccolo and the simple key schedule algorithm reduces hardware costs. By analyzing the distribution of the subkeys, we present a biclique cryptanalysis of full round Piccolo-80 without postwhitening keys and 28-round Piccolo-128 without prewhitening keys. The attacks are respectively with data complexity of 248 and 224 chosen ciphertexts, and with time complexity of 278.95 and 2126.79 encryptions. © 2012 Springer-Verlag.
English Abstract: Piccolo is a lightweight block cipher, with a fixed 64-bit block size and variable key length 80- or 128-bit, which was proposed at CHES 2011. The iterative structure of Piccolo is a variant of Generalized Feistel Network. The transformation utilizing different-size-word based permutation improves diffusion property of Piccolo and the simple key schedule algorithm reduces hardware costs. By analyzing the distribution of the subkeys, we present a biclique cryptanalysis of full round Piccolo-80 without postwhitening keys and 28-round Piccolo-128 without prewhitening keys. The attacks are respectively with data complexity of 248 and 224 chosen ciphertexts, and with time complexity of 278.95 and 2126.79 encryptions. © 2012 Springer-Verlag.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/15706
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Wang Yanfeng,Wu Wenling,Yu Xiaoli. biclique cryptanalysis of reduced-round piccolo block cipher[C]. 见:8th International Conference on Information Security Practice and Experience, ISPEC 2012. Hangzhou, China. April 9, 2012 - April 12, 2012.
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