System and method for SMS authentication
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United States of America Patent
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Nov 13, 2007
Grant Date -
Feb 12, 2004
app pub date -
Jun 20, 2003
filing date -
Jun 20, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The disclosed invention allows security of configuration SMS messages through the use of encryption computed with the International Mobile Equipment Identity (IMEI) as a key. Particularly, a text messaging system having the ability to send SMS messages to remotely managed wireless terminal equipment comprises means to generate an encrypted bit string based on the IMEI shared key and to signal use of the security mechanism in available Information Element fields of the TP-User Data of the SMS message. The receiving wireless terminal equipment is configured to process configuration SMS messages encrypted using the IMEI as a key.
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