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Module ID based encryption for financial transactions

  • US 9,280,775 B2
  • Filed: 06/09/2011
  • Issued: 03/08/2016
  • Est. Priority Date: 11/29/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining, by a media device, that a smart card has been communicatively coupled to the media device;

    communicating, by the media device, with the smart card through a smart card interface;

    receiving, by the media device, a first encryption key from the smart card;

    creating, by the media device, a first secure communication tunnel with a first remote server using the received first encryption key;

    receiving, by the media device, a second encryption key, from the first remote server, through the created first secure communication tunnel, wherein the second encryption key is generated based at least in part on a media device id associated with the media device;

    receiving, by the media device, a purchase selection indication from a control device;

    encrypting a first portion of payment account information using the second encryption key;

    receiving, by the media device, a third encryption key;

    encrypting a second portion of the payment account information using the received third encryption key;

    creating, by the media device, a second secure communication tunnel with a second remote server using the second encryption key; and

    transmitting, by the media device, the first portion of the payment account information encrypted with the second encryption key and the second portion of the payment account information encrypted with the third encryption key to the second remote server.

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