Passphone: Outsourcing Phone-Based Web Authentication While Protecting User Privacy

Lecture Notes in Computer Science, pp. 235-255, 2016.

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This work introduces Passphone, a new smartphone-based authentication scheme that outsources user verification to a trusted third party without sacrificing privacy: neither can the trusted third party learn the relation between users and service providers, nor can service providers learn those of their users to others. When employed as a ...More



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