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Paper 2013/266
L-P States of RC4 Stream Cipher
Jing Lv and Dongdai Lin
Abstract
The stream cipher RC4 was designed by R.Rivest in $1987$, and it is a widely deployed cipher. Many predictive states of RC4 for some special indices $i$ were presented in the last $20$ years. In this paper, we present several long term predictive states. These states increase the probability to guess part of the internal state in a known plaintext attack and present a cryptanalytic weakness of RC4. This paper also analyzes possible long term bias in the keystream and further propose a search method for the long term predictive states.
Metadata
- Available format(s)
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- RC4Distinguishing attackpredictive statesL-P states
- Contact author(s)
- lvjing @ is iscas ac cn
- History
- 2013-05-14: last of 2 revisions
- 2013-05-13: received
- See all versions
- Short URL
- https://ia.cr/2013/266
- License
-
CC BY