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VEST (Very Efficient Substitution Transpos … VEST (Very Efficient Substitution Transposition) ciphers are a set of families of general-purpose hardware-dedicated ciphers that support single pass authenticated encryption and can operate as collision-resistant hash functions designed by , and . VEST cannot be implemented efficiently in software. VEST is based on a balanced T-function that can also be described as a bijective nonlinear feedback shift register with parallel feedback (NLPFSR) or as a substitution–permutation network, which is assisted by a non-linear RNS-based counter. The four VEST family trees described in the cipher specification are VEST-4, VEST-8, VEST-16, and VEST-32. VEST ciphers support keys and IVs of variable sizes and instant re-keying. All VEST ciphers release output on every clock cycle. All the VEST variants are covered by European Patent Number EP 1820295(B1), owned by Synaptic Laboratories. VEST was a Phase 2 Candidate in the eSTREAM competition in the hardware portfolio, but was not a Phase 3 or Focus candidate and so is not part of the final portfolio.and so is not part of the final portfolio.
, VEST (англ. Very Efficient Substitution Tr … VEST (англ. Very Efficient Substitution Transposition, очень эффективная перестановка) — это серия аппаратных поточных шифров общего назначения, которые обеспечивают однопроходное шифрование с аутентификацией и могут работать как хеш-функция, стойкая к коллизиям второго рода. Шифры VEST разработаны в Synaptic Laboratories. Все шифры этой серии поддерживают режим работы с ключами переменной длины.т режим работы с ключами переменной длины.
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http://asic.ethz.ch/estream/ +
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, http://eprint.iacr.org/2005/090.pdf +
, http://www.windowsecurity.com/articles/Ideal-to-Realized-Security-Assurance-Cryptographic-Keys-Part1.html +
, http://www.ecrypt.eu.org/stream/p2ciphers/vest/vest_p2.pdf +
, http://www.ecrypt.eu.org/stream/p2ciphers/vest/vest_p2source.zip +
, http://www.ecrypt.eu.org/stream/vestp2.html +
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High Level Structure of VEST
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| rdfs:comment |
VEST (Very Efficient Substitution Transpos … VEST (Very Efficient Substitution Transposition) ciphers are a set of families of general-purpose hardware-dedicated ciphers that support single pass authenticated encryption and can operate as collision-resistant hash functions designed by , and . VEST cannot be implemented efficiently in software. All the VEST variants are covered by European Patent Number EP 1820295(B1), owned by Synaptic Laboratories. VEST was a Phase 2 Candidate in the eSTREAM competition in the hardware portfolio, but was not a Phase 3 or Focus candidate and so is not part of the final portfolio.and so is not part of the final portfolio.
, VEST (англ. Very Efficient Substitution Tr … VEST (англ. Very Efficient Substitution Transposition, очень эффективная перестановка) — это серия аппаратных поточных шифров общего назначения, которые обеспечивают однопроходное шифрование с аутентификацией и могут работать как хеш-функция, стойкая к коллизиям второго рода. Шифры VEST разработаны в Synaptic Laboratories. Все шифры этой серии поддерживают режим работы с ключами переменной длины.т режим работы с ключами переменной длины.
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VEST
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