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Social and proximity based access control for mobile applications

  • US 9,479,512 B2
  • Filed: 09/18/2013
  • Issued: 10/25/2016
  • Est. Priority Date: 01/03/2013
  • Status: Active Grant
First Claim
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1. A non-transitory computer readable storage medium comprising a computer readable program for proximity-based access control, wherein the computer readable program when executed on a computer causes the computer to perform the steps of:

  • determining whether a distance from a first mobile device to each of one or more safe mobile devices falls below a threshold distance, wherein safe mobile devices include devices sharing a threshold secret key with the first mobile device;

    determining, with a processor, whether a number of safe mobile devices within the threshold distance exceeds a safe gathering threshold and whether enough threshold secret keys are available to meet a decryption threshold;

    activating a safe gathering policy in accordance with the safe gathering threshold that decreases a security level in the first mobile device, wherein the safe gathering policy includes setting a security level for all nearby users based on a security level of a lowest clearance level user or a sensitivity of data on the first mobile device;

    continuously verifying that the number of safe mobile devices exceeds the safe gathering threshold; and

    deactivating the safe gathering policy if the number of safe mobile devices does not exceed the safe gathering threshold.

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