A Secure Email Repository Service using Public Untrusted Storage Clouds

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper we present a dependable Email repository service that explores multiple untrusted cloud storage repositories for storing, accessing and searching private Email data. The system architecture provides security and reliability services while leveraging the heterogeneity and diversity offered by different untrusted cloud storage solutions from different service providers. To address dependability issues, TMS enforces a security model that protects confidentiality and integrity of mailboxes stored in those clouds, adding availability, reliability and intrusion-tolerance guarantees. The system uses homomorphic encryption mechanisms and indexing techniques allowing ranked multi-keyword searching operations over encrypted Email messages and its contents. We illustrate TMS feasibility from an implemented prototype, evaluating its performance, design options, and services.
Original languageEnglish
Title of host publicationINFORUM 2013
Pages395-406
Number of pages12
Publication statusPublished - 1 Jan 2013
EventINFORUM 2013 -
Duration: 1 Jan 2013 → …

Conference

ConferenceINFORUM 2013
Period1/01/13 → …

Keywords

  • Homomorphic Encryption
  • Ranked Searching
  • Untrusted Cloud Storage
  • Threshold Signatures
  • Secret Sharing
  • Email Security and Reliability

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