Decim v2

Abstract : In this paper, we present Decimv2, a stream cipher hardware- oriented selected for the phase 3 of the ECRYPT stream cipher project eSTREAM. As required by the initial call for hardware-oriented stream cipher contribution, Decimv2 manages 80-bit secret keys and 64-bit public initialization vectors. The design of Decimv2 combines two filtering mechanisms: a nonlinear Boolean filter over a LFSR, followed by an irregular decimation mechanism called the ABSG. Since designers have been invited to demonstrate flexibility of their design by proposing vari-ants that take 128-bit keys, we also present a 128-bit security version of Decim called Decim-128.
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https://hal.archives-ouvertes.fr/hal-00328847
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Submitted on : Friday, October 10, 2008 - 2:02:10 PM
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Come Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Blandine Debraize, et al.. Decim v2. New Stream Cipher Designs - The eSTREAM finalists, Springer, pp.140-151, 2008, Lecture Notes in Computer Science, ⟨10.1007/978-3-540-68351-3_11⟩. ⟨hal-00328847⟩

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