crypto-book sosp wip
Post on 07-Dec-2014
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Crypto-Book: Privacy Preserving Online Identities
John Maheswaran,
David Isaac Wolinsky, Bryan Ford
Yale University
The Problem
Our Solution
privacy-preserving crypto layer
Personally identifiable social networking ID
Anonymized IDs – one pseudonym per site
privacy-preserving crypto layer
privacy-preserving crypto layer
Not linkable by Facebook or Crypto-Book
Not linkable by Facebook or Crypto-Book
• Assign public/private keypairs to Facebook accounts – Using split trust server cloud
• User generates anonymous signature (linkable ring signature) – To anonymously authenticate
with third party sites
• ID is anonymous and accountable
Architecture Summary
Thanks!
• More info:
• www.crypto-book.com
• Poster this afternoon
• Workshop paper to appear in HotNets’13
– Available on our website
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