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Subject: Computer Science
Title:
improved multi-pass fast correlation attacks with applications
Author: Zhang Bin ; Feng DengGuo
Keyword: stream cipher ; fast correlation attacks ; linear feedback shift register (LFSR) ; Bluetooth E0 ; LILI-128
Source: SCIENCE CHINA-INFORMATION SCIENCES
Issued Date: 2011
Volume: 54, Issue:8, Pages:1635-1644
Indexed Type: SCI
Department: Zhang Bin; Feng DengGuo Chinese Acad Sci State Key Lab Informat Secur Inst Software Beijing 100190 Peoples R China.
Sponsorship: National Natural Science Foundation of China60833008, 60603018
Abstract: In this paper we propose two new algorithms for multi-pass fast correlation attacks on stream ciphers. The first algorithm aims at fast symbol-wise decoding in the circumstances that the noise is not very high and we have little resource for pre-computation. The second algorithm deals with the practical decoding problem in the high noise and limited keystream cases. The new algorithms are applicable to arbitrary form LFSR and compare favorably to the previously known algorithms in the scenarios under consideration. As applications, we demonstrate new key recovery attacks on one-level Bluetooth E0 and LILI-128, respectively. Given 2(37)-bit keystream and 2(28)-byte memory, our attack against one-level E0 needs 2(35.1) operations. Given 2(24)-bit keystream and 2(24.5)-byte memory, our attack on LILI-128 has time complexity 270.6 operations.
English Abstract: In this paper we propose two new algorithms for multi-pass fast correlation attacks on stream ciphers. The first algorithm aims at fast symbol-wise decoding in the circumstances that the noise is not very high and we have little resource for pre-computation. The second algorithm deals with the practical decoding problem in the high noise and limited keystream cases. The new algorithms are applicable to arbitrary form LFSR and compare favorably to the previously known algorithms in the scenarios under consideration. As applications, we demonstrate new key recovery attacks on one-level Bluetooth E0 and LILI-128, respectively. Given 2(37)-bit keystream and 2(28)-byte memory, our attack against one-level E0 needs 2(35.1) operations. Given 2(24)-bit keystream and 2(24.5)-byte memory, our attack on LILI-128 has time complexity 270.6 operations.
Language: 英语
WOS ID: WOS:000293188100008
Citation statistics:
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/16080
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Zhang Bin,Feng DengGuo. improved multi-pass fast correlation attacks with applications[J]. SCIENCE CHINA-INFORMATION SCIENCES,2011-01-01,54(8):1635-1644.
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