Searching for authors named "Benny Pinkas" – sorted by Relevance.
34 documents found, showing 1 through 10.
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Efficient State Updates for Key Management
- …Encryption is widely used to enforce usage rules for digital content. In many scenarios content is encrypted using a group key which is known to a group of users that are allowed to use the content. When users leave or join the group, the group key must be changed, and a very common method of managi…
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Cryptographic Techniques for Privacy-Preserving Data Mining
- …Research in secure distributed computation, which was done as part of a larger body of research in the theory of cryptography, has achieved remarkable results. It was shown that non-trusting parties can jointly compute functions of their different inputs while ensuring that no party learns anything …
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Introduction to Cryptography Lecture 1
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Secure Multiparty Computation for Privacy-Preserving Data Mining
- …In this paper, we survey the basic paradigms and notions of secure multiparty computation and discuss their relevance to the field of privacy-preserving data mining. In addition to reviewing definitions and constructions for secure multiparty computation, we discuss the issue of efficiency and demon…
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Secure and efficient metering
- … We consider an environment in which many servers serve an even larger number of clients (e.g. the web), and it is required to meter the interaction between servers and clients. More specifically, it is desired to count the number of clients that were served by a server. A major possible applicatio…
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Distributed Oblivious Transfer
- …This work describes distributed protocols for oblivious transfer, in which the role of the sender is divided between several servers, and a chooser (receiver) must contact a threshold of these servers in order to run the oblivious transfer protocol. These distributed oblivious transfer protocols…
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An Efficient Protocol for Secure Two-Party Computation in the Presence of Malicious Adversaries
- …We show an efficient secure two-party protocol, based on Yao’s construction, which provides security against malicious adversaries. Yao’s original protocol is only secure in the presence of semi-honest adversaries, and can be transformed into a protocol that achieves security against malicious adver…
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Threshold Traitor Tracing
- …Abstract. This work presents threshold tracing schemes. Tracing schemes trace the source of keys which are used in pirate decoders for sensitive or proprietary data (such as pay-TV programs). Previous tracing schemes were designed to operate against any decoder which decrypts with a non-negligible s…
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Oblivious Transfer with Adaptive Queries
- …. We provide protocols for the following two-party problem: One party, the sender, has N values and the other party, the receiver, would like to learn k of them, deciding which ones in an adaptive manner (i.e. the ith value may depend on the first i \Gamma 1 values). The sender does not want the rec…
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Computationally Secure Oblivious Transfer
- …We describe a new construction for 1-out-of-N oblivious transfer which is highly efficient -- it requires only log N executions of a 1-out-of-2 oblivious transfer protocol.…
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