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Methods and apparatus to securely share data

  • US 9,912,645 B2
  • Filed: 06/30/2016
  • Issued: 03/06/2018
  • Est. Priority Date: 03/31/2014
  • Status: Active Grant
First Claim
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1. A first computing device associated with a first user of a cloud service, comprising:

  • a processor;

    a trusted execution environment to;

    retrieve an encrypted archive file and a wrapped encryption key from a second computing device associated with a second user of the cloud service, the wrapped encryption key wrapped with key data associated with the first user of the cloud service at the second computing device, the encrypted archive file provisioned with the wrapped encryption key; and

    unwrap the wrapped encryption key with the key data to obtain an unwrapped encryption key; and

    an encryption engine to decrypt the encrypted archive file with the unwrapped encryption key to obtain a first archive file representative of first data from the second computing device, the first archive file to be mounted to an operating system (OS) of the first computing device thereby exposing the first data of the first archive file to an OS file system of the first computing device as a virtual drive, at least one of the encryption engine, and the trusted execution environment implemented using the processor.

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