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An algebraic attack to the Bluetooth stream cipher E0. (arXiv:2201.01262v1 [cs.CR])
Jan. 5, 2022, 2:20 a.m. | Roberto La Scala, Sergio Polese, Sharwan K. Tiwari, Andrea Visconti
cs.CR updates on arXiv.org arxiv.org
In this paper we study the security of the Bluetooth stream cipher E0 from
the viewpoint it is a difference stream cipher, that is, it is defined by a
system of explicit difference equations over the finite field GF(2). This
approach highlights some issues of the Bluetooth encryption as the
invertibility of its state transition map, a special set of 14 bits of its
132-bit state which when guessed imply linear equations among the other bits
and finally a very …
More from arxiv.org / cs.CR updates on arXiv.org
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