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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Cryptographic Schemes Based on the ASASA Structure: Black-Box, White-Box, and Public-Key (Extended Abstract)
verfasst von : Alex Biryukov, Charles Bouillaguet, Dmitry Khovratovich
Erschienen in: Advances in Cryptology – ASIACRYPT 2014
Verlag: Springer Berlin Heidelberg
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In this paper we pick up an old challenge to design public key or white-box constructions from symmetric cipher components. We design several encryption schemes based on the
ASASA
structure ranging from fast and generic symmetric ciphers to compact public key and white-box constructions based on generic affine transformations combined with specially designed low degree non-linear layers. While explaining our design process we show several instructive attacks on the weaker variants of our schemes.