METHOD AND SYSTEM FOR TRANSFER OF DATA IN A NETWORK

The proposal relates to a method for transmitting data in a network (NW) comprising a plurality M of communication apparatuses, with M≥2, wherein the plurality M comprises a first communication apparatus (20) and a second communication apparatus (30), which are connected via a network connection sec...

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Bibliographische Detailangaben
Hauptverfasser:	FRIES, Steffen, FURCH, Andreas, PAPAGUDI SUBRAHMANYAM, Niranjana, SEL, Tolga, FALK, Rainer, HEINTEL, Markus, FISCHER, Kai
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	The proposal relates to a method for transmitting data in a network (NW) comprising a plurality M of communication apparatuses, with M≥2, wherein the plurality M comprises a first communication apparatus (20) and a second communication apparatus (30), which are connected via a network connection section (NVA) for the purpose of transmitting data, having the steps of: a) ascertaining a time-of-flight property of data transmitted between the first communication apparatus (20) and the second communication apparatus (30) via the network connection section (NVA) by means of the first communication apparatus (20) and the second communication apparatus (30) in each case, b) deriving a secret by means of the first communication apparatus (20) and the second communication apparatus (30) in each case, by using the respective ascertained time-of-flight property, and c) transmitting a message protected by means of the derived secret between the first and second communication apparatuses (20, 30). This method allows transmission of protected messages between two communication apparatuses.