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29

FSE
2007
Springer

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Differential-Linear Attacks Against the Stream Cipher Phelix

14 years 2 months ago

Differential-Linear Attacks Against the Stream Cipher Phelix

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The previous key recovery attacks against Helix obtain the key with about 288 operations using chosen nonces (reusing nonce) and about 1000 adaptively chosen plaintext words (or 235.6 chosen plaintext words). The stream cipher Phelix is the strengthened version of Helix. In this paper we apply the differential-linear cryptanalysis to recover the key of Phelix. With 234 chosen nonces and 237 chosen plaintext words,

Hongjun Wu, Bart Preneel

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Added	16 Aug 2010
Updated	16 Aug 2010
Type	Conference
Year	2007
Where	FSE
Authors	Hongjun Wu, Bart Preneel

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