Method of authenticating a short message service (sms) message

Details Method of authenticating a short message service (sms) message Method of authenticating a short message service (sms) message

2011-06-28

2011-06-28

Rampuria, Sharad (Department: 2617)

Telecommunications

Radiotelephone system

Security or fraud prevention

C455S410000, C455S466000, C455S419000, C455S414300, C701S009000, C701S024000, C701S036000

Reexamination Certificate

active

07970381

ABSTRACT:
An authentication method that can be used by a telematics-equipped vehicle to authenticate an SMS message and provide additional security features above and beyond those inherent to the SMS protocol. Generally speaking, a call center uses a mathematical function to derive a security code, and then sends an SMS message to a telematics-equipped vehicle that includes information related to the derived security code. The telematics-equipped vehicle can utilize the transmitted information to authenticate the sender of the SMS message and/or its contents. One group of suitable mathematical functions utilizes keyed-hash message authentication codes (HMACs).

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