Crypto-Book SOSP WIP

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mahan9

Technology News & Politics

Crypto-Book: Privacy Preserving
Online Identities
John Maheswaran,
David Isaac Wolinsky, Bryan Ford
Yale University

Personally identifiable
social networking ID

privacy-preserving crypto layer

Anonymized IDs – one pseudonym per site

Not linkable by Facebook
or Crypto-Book

privacy-preserving crypto layer

Not linkable by Facebook
or Crypto-Book

Architecture Summary
• 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

Thanks!
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More info:
www.crypto-book.com
Poster this afternoon
Workshop paper to appear in HotNets’13
– Available on our website

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