Welcome to the resource topic for 2014/1004
Title:
CONIKS: Bringing Key Transparency to End Users
Authors: Marcela S. Melara, Aaron Blankstein, Joseph Bonneau, Edward W. Felten, Michael J. Freedman
Abstract:We present CONIKS, an end-user key verification service capable of integration in end-to-end encrypted communication systems. CONIKS builds on transparency log proposals for web server certificates but solves several new challenges specific to key verification for end users. CONIKS obviates the need for global third-party monitors and enables users to efficiently monitor their own key bindings for consistency, downloading less than 20 kB per day to do so even for a provider with billions of users. CONIKS users and providers can collectively audit providers for non-equivocation, and this requires downloading a constant 2.5 kB per provider per day. Additionally, CONIKS preserves the level of privacy offered by today’s major communication services, hiding the list of usernames present and even allowing providers to conceal the total number of users in the system.
ePrint: https://eprint.iacr.org/2014/1004
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