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Rasmus Pagh +3 more
openaire +4 more sources
Unconditionally Secure Oblivious Transfer Based on Channel Delays [PDF]
Without the use of computational assumptions, unconditionally secure oblivious transfer (OT) is impossible in the standard model where the parties are using a clear channel. Such impossibilities can be overcome by using a noisy channel.
Atsuko Miyaji +3 more
core +1 more source
Information-Theoretically Secure String Commitments Based on Packet Reordering Channels
Realizing fundamental cryptographic primitives with unconditional security is a central topic in information-theoretic cryptography. These primitives can be realized based on physical assumptions, such as the existence of noisy channels, an upper bound ...
Vinicius de Morais Alves +3 more
doaj +1 more source
Oblivious and Semi-Oblivious Boundedness for Existential Rules [PDF]
We study the notion of boundedness in the context positive existential rules, that is, wether there exists an upper bound to the depth of the chase procedure, that is independent from the initial instance. By focussing our attention on the oblivious and the semi-oblivious chase variants, we give a characterization of boundedness in terms of FO ...
Bourhis, Pierre +5 more
openaire +4 more sources
All-or-nothing oblivious transfer based on the quantum one-way function
Oblivious transfer (OT) is one of the keystones of secure multi-party computation. It is generally believed that unconditionally secure OT is impossible.
Ping Wang +4 more
doaj +1 more source
04301 Abstracts Collection – Cache-Oblivious and Cache-Aware Algorithms [PDF]
The Dagstuhl Seminar 04301 ``Cache-Oblivious and Cache-Aware Algorithms'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl, from 18.07.2004 to 23.07.2004.
Arge, Lars +4 more
core +1 more source
Compacting oblivious agents on dynamic rings [PDF]
In this paper we investigate dynamic networks populated by autonomous mobile agents. Dynamic networks are networks whose topology can change continuously, at unpredictable locations and at unpredictable times.
Shantanu Das +3 more
doaj +2 more sources
AbstractEvaluating arbitrary functions on encrypted data is one of the holy grails of cryptography, with Fully Homomorphic Encryption (FHE) being probably the most prominent and powerful example. FHE, in its current state is, however, not efficient enough for practical applications.
Stefan Rass +2 more
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Efficient oblivious transfer with membership verification
In this article, we introduce a new concept of oblivious transfer with membership verification that allows any legitimate group users to obtain services from a service provider in an oblivious manner.
Weiwei Liu, Da-Zhi Sun, Yangguang Tian
doaj +1 more source
Monotone Submodular Maximization over a Matroid via Non-Oblivious Local Search [PDF]
We present an optimal, combinatorial 1−1/e approximation algorithm for monotone submodular optimization over a matroid constraint. Compared to the continuous greedy algorithm (Calinescu, Chekuri, Pál and Vondrák, 2008), our algorithm is extremely simple ...
Filmus, Yuval +3 more
core +1 more source

