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Elliptic Curve Based Secure Outsourced Computation in Multi-party Cloud Environment

  • V ThangamEmail author
  • K Chandrasekaran
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 625)

Abstract

Secure Multi-Party Computation (SMPC) is a scheme where a set of trusted users will calculate a certain function on their inputs where the inputs will be always in an encrypted format for security purpose. In many cases, outsourcing of these calculations to an untrusted cloud server is desirable because of huge computational power of cloud server and storage space provided by them to process the data. However, the existing secure computation approaches are based on either a single key setup or old traditional encryption methods. In this paper, we suggested two secure multi-party computation techniques based on the latest elliptic curve cryptosystem. In which, we used two non-colluding cloud servers to co-operatively compute the outsourcing calculation with minimum number of interactions between them. However, it is ensured that the inputs, intermediate and final results all remain secret throughout the calculation.

Keywords

Secure multi-party computation Outsourced computation CTR1-SMPC Improved CTR1-SMPC 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2016

Authors and Affiliations

  1. 1.Department of Computer Science and EngineeringNational Institute of Technology KarnatakaSurathkalIndia

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