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2015•Advances in computer science researchOpen access

Stream Cipher Based on Latin Cubes

Yukun Cheng, Yunqing Xu

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Abstract

Edon80 is a hardware binary additive synchronous stream cipher submitted to the last phase of the eSTREAM project.The period of keystream of Edon80 is relatively short and there is a key recovery attach on it.In this paper, by modifying the IVSetup mode and the Keystream mode of Edon80, and by introducing a new e-transformation based on Latin cubes, we design a binary additive synchronous stream cipher named CHAINS80 with a much larger keystream period and it can resist the key recovery attack given by Johansson and Hell.

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Edon80 is a hardware binary additive synchronous stream cipher submitted to the last phase of the eSTREAM project.The period of keystream of Edon80 is relatively short and there is a key recovery attach on it.In this paper, by modifying the IVSetup mode and the Keystream mode of Edon80, and by introducing a new e-transformation based on Latin cubes, we design a binary additive synchronous stream cipher named CHAINS80 with a much larger keystream period and it can resist the key recovery attack given by Johansson and Hell.

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Available abstract

Edon80 is a hardware binary additive synchronous stream cipher submitted to the last phase of the eSTREAM project.The period of keystream of Edon80 is relatively short and there is a key recovery attach on it.In this paper, by modifying the IVSetup mode and the Keystream mode of Edon80, and by introducing a new e-transformation based on Latin cubes, we design a binary additive synchronous stream cipher named CHAINS80 with a much larger keystream period and it can resist the key recovery attack given by Johansson and Hell.

Key concepts: Keystream, Stream cipher, Computer science, Block cipher mode of operation, Cipher, Transformation (genetics), Key (lock), Algorithm

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