| 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
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| 会议名称: | 4th International Symposium on ACM Symposium on Information, Computer and Communications Security, ASIACCS09
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| 会议日期: | March 10,
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| 出版日期: | 2009
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| 会议地点: | Sydney, NSW, Australia
|
| 关键词: | Network security
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| 出版地: | United States
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| ISBN: | 9781605583945
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| 部门归属: | (1) State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing, China
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| 主办者: | ACM SIGSAC
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| 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
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| URI标识: | http://ir.iscas.ac.cn/handle/311060/8528
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| 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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