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题名:
a note on cooks elastic block cipher
作者: Zhang Liting ; Wu Wenling ; Zhang Lei ; Li Yanjun
会议文集: Proceedings of the 4th International Symposium on ACM Symposium on Information, Computer and Communications Security, ASIACCS09
会议名称: 4th International Symposium on ACM Symposium on Information, Computer and Communications Security, ASIACCS09
会议日期: March 10,
出版日期: 2009
会议地点: Sydney, NSW, Australia
关键词: Network security
出版地: United States
ISBN: 9781605583945
部门归属: (1) State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing, China
主办者: ACM SIGSAC
英文摘要: VIL Block Cipher is a kind of block cipher that supports Variable Input-Lengths. It was first proposed by Bellare, etc. and since then several constructions have been given, among which Cooks elastic block cipher is a special one. In this paper we present a security model called "MIL model" for VIL block ciphers, investigating their security when a fixed secret key is used for multiple input-lengths. Our results show that if the key schedule is not well designed, Cooks elastic block cipher is vulnerable when processing multiple-length inputs under a fixed secret key. Thus, further considerations are needed to use Cooks elastic block cipher safely in practice. Copyright 2009 ACM.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8528
Appears in Collections:信息安全国家重点实验室_会议论文

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Recommended Citation:
Zhang Liting,Wu Wenling,Zhang Lei,et al. a note on cooks elastic block cipher[C]. 见:4th International Symposium on ACM Symposium on Information, Computer and Communications Security, ASIACCS09. Sydney, NSW, Australia. March 10,.
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