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A Selective Privacy-Preserving Identity Attributes Protocol for Electronic Coupons

Abstract : Electronic coupons (e-coupons) are a very effective marketing tool. In some scenarios, it is necessary to check some customer’s personal attributes at the redeeming phase (e.g. age, title, citizenship, etc.). But customers may be reluctant to use e-coupons if their privacy is in danger. Digital certificates and credentials could be suitable for validating customer attributes. However, a bad use of such electronic documents entails a loss of privacy, revealing more identity attributes than necessary. Here, we present the first secure protocol for e-coupons, achieving verification proofs of identity, with selective disclosure of customer’s certified attributes. On the other hand, our proposal meets other necessary security requirements, such as forging protection and double-redeem protection.
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Submitted on : Monday, September 17, 2018 - 2:44:29 PM
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Pau Conejero-Alberola, M. Hinarejos, Josep-Lluís Ferrer-Gomila. A Selective Privacy-Preserving Identity Attributes Protocol for Electronic Coupons. 11th IFIP International Conference on Information Security Theory and Practice (WISTP), Sep 2017, Heraklion, Greece. pp.165-176, ⟨10.1007/978-3-319-93524-9_11⟩. ⟨hal-01875519⟩

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