Some Open Problems in Information-Theoretic Cryptography

© Vinod Vaikuntanathan. Information-theoretic cryptography is full of open problems with a communication-complexity flavor. We will describe several such problems that arise in the study of private information retrieval, secure multi-party computation, secret sharing, private simultaneous messages (...

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Bibliographic Details
Main Author: Vaikuntananthan, Vinod (Author)
Other Authors: Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory (Contributor)
Format: Article
Language:English
Published: 2021-11-23T16:19:24Z.
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Online Access:Get fulltext
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520 |a © Vinod Vaikuntanathan. Information-theoretic cryptography is full of open problems with a communication-complexity flavor. We will describe several such problems that arise in the study of private information retrieval, secure multi-party computation, secret sharing, private simultaneous messages (PSM) and conditional disclosure of secrets (CDS). In all these cases, there is a huge (exponential) gap between the best known upper and lower bounds. We will also describe the connections between these problems, some old and some new. 
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