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Analysis of the Non-linear Part of Mugi
[chapter]
2005
Lecture Notes in Computer Science
This paper presents the results of a preliminary analysis of the stream cipher Mugi. We study the nonlinear component of this cipher and identify several potential weaknesses in its design. While we can not break the full Mugi design, we show that it is extremely sensitive to small variations. For example, it is possible to recover the full 1216-bit state of the cipher and the original 128-bit secret key using just 56 words of known stream and in 2 14 steps of analysis if the cipher outputs any
doi:10.1007/11502760_21
fatcat:nakjuv2esnc3zbujqiohs7v2ry