Method for transmitting and receiving data of a terminal in a communication system and communication terminal thereof
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United States of America Patent
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Jun 5, 2012
Grant Date -
May 28, 2009
app pub date -
Nov 10, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method for transmitting and receiving data of a terminal in a communication system and a communication terminal thereof are provided, which can minimize an exposure of authentication information. A communication terminal includes a rolling token generation unit for generating the rolling tokens; a memory for storing the generated rolling tokens; and a control unit for, if an authentication of the other terminal for performing a communication is completed, generating and transmitting a rolling token whenever a transmission to the other terminal is performed, and in case of receiving a specified rolling token from the other terminal, determining whether the rolling token currently received from the other terminal is identical to the rolling token most recently transmitted.
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