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Hash Range Queries

luke crouch
December 18, 2018

Hash Range Queries

For simple, privacy-preserving data-sharing.

luke crouch

December 18, 2018

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  1. https://api.pwnedpasswords.com/pwnedpassword/password A request for a single password reveals who is

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  2. Do you trust the person operating the service? • Are

    they doing something else with the data? • Are they securing the data?
  3. How can a client get a single record from a

    server without revealing the record identifier to the server?
  4. https://en.wikipedia.org/wiki/K-anonymity k-Anonymity: 2 for any combination of Age + Gender

    + State found in any row of the table there are always at least 2 rows with those exact attributes Suppression Suppression Generalization