Secure Outsourced Bilinear Pairings Computation for Mobile Devices

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• 关键词：Secure outsourcing ; Secure delegation protocol ; Bilinear pairing ; Encryption ; Mobile device
• 刊名：Lecture Notes in Computer Science
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：9955
• 期：1
• 页码：519-529
• 全文大小：338 KB
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• 作者单位：Tomasz Hyla (17)
  Jerzy Pejaś (17)
  
  17. Faculty of Computer Science and Information Technology, West Pomeranian University of Technology, Szczecin, Poland
  
• 丛书名：Network and System Security
• ISBN：978-3-319-46298-1
• 刊物类别：Computer Science
• 刊物主题：Artificial Intelligence and Robotics
  Computer Communication Networks
  Software Engineering
  Data Encryption
  Database Management
  Computation by Abstract Devices
  Algorithm Analysis and Problem Complexity
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1611-3349
• 卷排序：9955

文摘

The cloud can be used to outsource data storage or data computation. Data computation outsourcing enables to move computationally expensive operations outside a mobile device. Many pairing-based cryptographic schemes are designed to enable documents’ encryption while fulfilling some defined security requirements. In practice, client applications should be implemented for mobile devices. Their computational capabilities are significantly lower than standard computers. Thus, advanced cryptographic calculations, like bilinear pairing calculation, might take too much time for a good user experience. In this paper, we analyse the possibilities to securely outsource bilinear pairings computation from a mobile device to possibly dishonest servers. Several test scenarios were implemented. Also, we have modified one of the pairing-based schemes that allows to encrypt and decrypt documents and we have created its secure outsourced version. Next, we have tested execution times of encryption and decryption algorithms of the original scheme and its outsourced version. The tests were conducted using different outsourcing models. The execution times showing time spent on the mobile device and the server are presented and discussed. The tests have shown that in certain conditions outsourcing bilinear pairing calculation can speed up overall computation time. Also, it simplifies implementation on different mobile operating systems.