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System and method for securely pairing a wireless peripheral to a host

  • US 8,542,834 B1
  • Filed: 08/09/2007
  • Issued: 09/24/2013
  • Est. Priority Date: 08/09/2007
  • Status: Active Grant
First Claim
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1. A peripheral device, comprising:

  • a storage medium for maintaining a private encryption key;

    a first antenna for transmitting the private encryption key from the peripheral device to a host device across a first channel, wherein the first channel comprises a near field transmission path having a range less than 20 centimeters in ambient air; and

    a second antenna, distinct from the first antenna, for subsequently transmitting encrypted information configured to be decrypted by the private encryption key from the peripheral device to the host device across a second channel, distinct from the first channel, wherein the second channel comprises a relatively far field transmission path having a range greater than 20 centimeters in ambient air, and wherein the second channel is configured to transmit the encrypted information according to a wireless communication technology selected from a group consisting of Bluetooth, WiFi, WiMax and Ultra Wide Band (UWB).

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