Strengthening the Known-Key Security Notion for Block Ciphers
IACR Cryptology ePrint Archive, Volume 2016, 2016.
We reconsider the formalization of known-key attacks against ideal primitive-based block ciphers. This was previously tackled by Andreeva, Bogdanov, and Mennink FSEï¾¿2013, who introduced the notion of known-key indifferentiability. Our starting point is the observation, previously made by Cogliati and Seurin EUROCRYPTï¾¿2015, that this n...More
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