Ravi Ojha

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Attribute Based Encryption is a technique that associates user's attributes with keys. Data is encrypted using a specific policy and only those keys whose attributes satisfy that policy are allowed to decrypt it. In this paper, we propose a secure communication model based on Cipher-text Policy Attribute Based Encryption (CP-ABE). This model allows Role(More)
OpenFOAM is a software package for solving partial differential equations and is very popular for computational fluid dynamics in the automotive segment. In this work, we describe our evaluation of the performance of OpenFOAM with MPI-3 Remote Memory Access (RMA) one-sided communication on the Intel® Xeon Phi" coprocessor. Currently, OpenFOAM computes(More)
In this paper, we present optimization techniques that are crucial to unlock parallelism and vectorization in modern computational fluid dynamics (CFD) codes thereby significantly improving their performance on emerging Intel multi-/many-core platforms such as the Intel R Xeon R 1 processors and Intel R Xeon Phi TM1 coprocessors. We focus on(More)
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