Interactive Message-Locked Encryption and Secure Deduplication

  title={Interactive Message-Locked Encryption and Secure Deduplication},
  author={Mihir Bellare and Sriram Keelveedhi},
  booktitle={Public Key Cryptography},
This paper considers the problem of secure storage of outsourced data in a way that permits deduplication. We are for the first time able to provide privacy for messages that are both correlated and dependent on the public system parameters. The new ingredient that makes this possible is interaction. We extend the message-locked encryption (MLE) primitive of prior work to interactive message-locked encryption (iMLE) where upload and download are protocols. Our scheme, providing security for… CONTINUE READING
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