Titlebook: Advances in Cryptology - ASIACRYPT 2004; 10th International C Pil Joong Lee Conference proceedings 2004 Springer-Verlag Berlin Heidelberg 2

Calculus

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https://doi.org/10.1007/978-2-287-71478-8nitions for a hierarchy of notions of increasing strength: PA0, PA1 and PA2, chosen so that PA1+IND-CPA → IND-CCA1 and PA2+IND-CPA → IND-CCA2. Towards achieving the new notions of plaintext awareness, we show that a scheme due to Damgård [12], denoted DEG, and the “lite” version of the Cramer-Shoup

淡紫色花

Conference proceedings 2007Latest editionel, four years ago, the first efficient and provably .-. secure encryption padding was formally and fully proven to achieve the expected .-. security level, when used with any trapdoor permutation. Even if it requires the partial-domain one-wayness of the permutation, for the main application (with

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M. Debled,A. Durieux,A. Monnereau,L. Mauriacand today stream ciphers have become an endangered species. In this talk I’ll survey the current state of the art in stream ciphers: who needs them, who uses them, how they are attacked, and how they can be protected by new types of constructions.

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Limites du traitement conservateurn of the classical criterion of linear equivalence, and it is obtained by means of a particular geometric representation of the functions. After giving the basic definitions, we prove that the known equivalence relations can be seen as particular cases of the proposed generalized relationship and th

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Moïse Namer,Michel Héry,Joseph Gligorovt reason seems the lack of research on building a solid mathematical foundation for the use of infinite groups in cryptography. As a first step for this line of research, this paper pays attention to a property, the so-called right-invariance, which makes finite groups so convenient in cryptography,