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METHOD OF AUTHENTICATING A SHORT MESSAGE SERVICE (SMS) MESSAGE

  • US 20090047929A1
  • Filed: 08/13/2007
  • Published: 02/19/2009
  • Est. Priority Date: 08/13/2007
  • Status: Active Grant
First Claim
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1. A method of authenticating an SMS message, comprising the steps of:

  • (a) determining a vehicle key for a telematics-equipped vehicle;

    (b) generating a security code using a mathematical function and the vehicle key;

    (c) producing an SMS message with a payload section having information related to the security code; and

    (d) wirelessly sending the SMS message to the telematics-equipped vehicle, whereby the telematics-equipped vehicle can utilize the information related to the security code to authenticate the SMS message.

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