Method For Proving Retrievability Of Information

  • Published: May 4, 2017
  • Earliest Priority: May 16 2014
  • Family: 3
  • Cited Works: 0
  • Cited by: 1
  • Cites: 0
  • Additional Info: Full text Published
Abstract

A method for proving retrievability (POR) of information is performed in a memory available to one or more computation devices, wherein credentials between a user device, a storing device and an auditing device between each pair of said devices are exchanged and used for communication between them. The method includes encoding information to be stored on the storing device by the user device or the auditing device, storing the encoded information on the storing device, verifying the correctness of the stored information by the auditing device using unpredictable random information, transmitting correctness information to the user device, the correctness information being secure and being generated based on the result of the verification by the auditing device, and validating the correctness information by the user device for proving retrievability of the stored information and the unpredictable random information.


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Document History
  • Publication: May 4, 2017
  • Application: May 18, 2015
    US US 201515310801 A
  • Priority: May 18, 2015
    EP EP 2015060917 W
  • Priority: May 16, 2014
    EP EP 14168694 A

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