ISCAS OpenIR
Some new weaknesses in the RC4 stream cipher
Lv, Jing (1); Zhang, Bin (1); Lin, Dongdai (2); Lv, J.(lvjing@tca.iscas.ac.cn)
2014
会议名称14th International Workshop on Information Security Applications, WISA 2013
页码28-38
会议日期August 19, 2013 - August 21, 2013
会议地点Jeju Island, Korea, Republic of
收录类别EI
出版地Springer Verlag
ISSN3029743
ISBN9783319051482
部门归属(1) Laboratory of Trusted Computing and Information Assurance, Institute of Software, Chinese Academy of Sciences, 100190 Beijing, China; (2) State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China
摘要In FSE 2011, Maitra and Paul observed that there exists negative bias in the first byte of the RC4 keystream towards 0. In this paper, we give our theoretical proof of this bias. This bias immediately provide distinguisher for RC4, and ciphertext only attack on broadcast RC4. Additionally, we discover some new weaknesses of the keystream bytes even after the first N rounds of the PRGA, where N is the size of the RC4 permutation, generally, N = 256. The weaknesses in turn provide us with certain state information from the keystream bytes no matter how many initial bytes are thrown away. © 2014 Springer International Publishing Switzerland.; In FSE 2011, Maitra and Paul observed that there exists negative bias in the first byte of the RC4 keystream towards 0. In this paper, we give our theoretical proof of this bias. This bias immediately provide distinguisher for RC4, and ciphertext only attack on broadcast RC4. Additionally, we discover some new weaknesses of the keystream bytes even after the first N rounds of the PRGA, where N is the size of the RC4 permutation, generally, N = 256. The weaknesses in turn provide us with certain state information from the keystream bytes no matter how many initial bytes are thrown away. © 2014 Springer International Publishing Switzerland.
语种英语
内容类型会议论文
URI标识http://ir.iscas.ac.cn/handle/311060/16633
专题中国科学院软件研究所
通讯作者Lv, J.(lvjing@tca.iscas.ac.cn)
推荐引用方式
GB/T 7714
Lv, Jing ,Zhang, Bin ,Lin, Dongdai ,et al. Some new weaknesses in the RC4 stream cipher[C]. Springer Verlag,2014:28-38.
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