Method for ensuring data transmission security, communication system and communication device

A method for ensuring data transmission security between a first and a second communication device in short-range wireless communication sets up a data transmission connection, wherein the communication devices conduct a key exchange stage to generate at least one shared key between the communicatio...

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Bibliographic Details
Main Authors NIEMI VALTTERI, NYBERG KAISA
Format Patent
LanguageEnglish
Published 09.08.2011
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
JAMMING OF COMMUNICATION
SECRET COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A method for ensuring data transmission security between a first and a second communication device in short-range wireless communication sets up a data transmission connection, wherein the communication devices conduct a key exchange stage to generate at least one shared key between the communication devices. After the key exchange stage at least a first and a second check string is formed, the strings being based at least on a unique short random string and on the keys generated in each communication device at the key exchange stage. Thus, the security of the connection that is set up is ensured by comparing the correspondence of the check strings. The invention also relates to a communication system and a communication device, in which the method is applied.
Bibliography:Application Number: US20020164437