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Published in:
2013 | OriginalPaper | Chapter
Authenticating Email Search Results
Authors : Olga Ohrimenko, Hobart Reynolds, Roberto Tamassia
Published in: Security and Trust Management
Publisher: Springer Berlin Heidelberg
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Alice uses a web mail service and searches through her emails by keywords and dates. How can Alice be sure that search results she gets contain all the relevant emails she received in the past? We consider this problem and provide a solution where Alice sends to the server authentication information for every new email. In response to a query, the server augments the results with a cryptographic proof computed using the authentication information. Alice uses the proof and a locally-stored cryptographic digest to verify the correctness of the result. Our method adds a small overhead to the usual interaction between the email client and server.