Titlebook: Advances in Cryptology – EUROCRYPT 2011; 30th Annual Internat Kenneth G. Paterson Conference proceedings 2011 International Association for

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Bartlomiej R. Imielski,Leonard N. Girardiity .(.,.(.)) against queries of total length .. In particular, our construction is the first to break the “birthday barrier” for MAC domain extension from noncompressing primitives, since our security bound is meaningful even for .?=?2./.(.) (assuming . is the best possible .(1/2.)). In contrast, t

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Advances in Cryptology – EUROCRYPT 2011978-3-642-20465-4Series ISSN 0302-9743 Series E-ISSN 1611-3349

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https://doi.org/10.1007/978-3-662-52672-9here . is the length of the signing key. Our approach relies on generic cryptographic primitives, and at the same time admits rather efficient instantiations based on specific number-theoretic assumptions. In addition, we show that our approach extends to the continual-leakage model, recently introd

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Wolfgang Schiller MD,Jan F. Gummert MD, PhDechnique for encryption, a careful analysis of the degree of the decryption polynomial, and some space/time trade-offs for the fully-homomorphic scheme..We tested our implementation with lattices of several dimensions, corresponding to several security levels. From a “toy” setting in dimension 512,

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https://doi.org/10.1007/978-1-4615-1939-3y efficient as it requires .: the parties only need to exchange additive shares and verify information theoretic MACs. Our contribution is therefore twofold: from a theoretical point of view, we can base multiparty computation on a variety of different assumptions, while on the practical side we off