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System and method for securing data from a remote input device

  • US 8,295,484 B2
  • Filed: 12/09/2005
  • Issued: 10/23/2012
  • Est. Priority Date: 12/21/2004
  • Status: Active Grant
First Claim
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1. A method for secure handling of input data comprising:

  • receiving the input data at a first integrated security module in an input device;

    storing the input data within a security boundary of the first integrated security module;

    establishing a secure communications channel on a short range communications link between the first integrated security module in the input device and a second integrated security module in a processing component by exchanging a temporary cryptographic key;

    encrypting the input data within the first integrated security module using the temporary cryptographic key; and

    transmitting the encrypted input data to the second integrated security module in the processing component over the secure communications channel.

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