E-voting: a new approach using double-blind identity-based encryption

  • Authors:
  • David Gray;Caroline Sheedy

  • Affiliations:
  • School of Computing, Dublin City University, Dublin, Ireland;School of Computing, Dublin City University, Dublin, Ireland

  • Venue:
  • EuroPKI'10 Proceedings of the 7th European conference on Public key infrastructures, services and applications
  • Year:
  • 2010

Quantified Score

Hi-index 0.03

Visualization

Abstract

We present a new cryptographic construction, double-blind identitybased encryption (DB-IBE). In standard IBE, the identity string that is passed to a key generation centre (KGC) during the key extraction phase is visible to the KGC. Recent work introduced the idea of blinding the identity string, resulting in a blind IBE scheme which obscures the identity string from a KGC. Doubleblind IBE schemes, which are extensions of blind IBE schemes, allow a user to construct an identity string that is partially obscured from the KGC, while also facilitating the KGC adding elements to the identity string which are obscured from the user. Using DB-IBE, we present an e-voting scheme with desirable features such as universal verifiability, voter verifiability and receipt-freeness.