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Data anonymity system

  • US 8,862,877 B2
  • Filed: 08/12/2008
  • Issued: 10/14/2014
  • Est. Priority Date: 08/12/2008
  • Status: Active Grant
First Claim
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1. A method for anonymous data collection, comprising:

  • receiving, at a client device from a first entity, an encrypted operator match ID corresponding to the client device, wherein the encrypted operator match ID is encrypted using a first encryption key;

    decrypting the encrypted operator match ID using a first decryption key, associated with the first encryption key, by the client device to obtain a decrypted operator match ID;

    encrypting the decrypted operator match ID using a second encryption key by the client device to obtain a re-encrypted operator match ID; and

    sending, by the client device to a second entity, client device usage information for the client device and the re-encrypted operator match ID;

    wherein the second entity decrypts the re-encrypted operator match ID using a second decryption key, associated with the second encryption key, to obtain an operator match ID.

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