METHOD FOR GENERATING A KEY IN A CIRCUIT ASSEMBLY

The invention relates to a method for generating a key in a first circuit assembly, in particular a microcontroller. The first circuit assembly initiates a transmission of at least one first value sequence on a transmission channel at least partly synchronously with the transmission of at least one...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KELLER, Thomas, LOTHSPEICH, Timo, MUTTER, Arthur, SOENKENS, Andreas, HARTWICH, Florian
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	The invention relates to a method for generating a key in a first circuit assembly, in particular a microcontroller. The first circuit assembly initiates a transmission of at least one first value sequence on a transmission channel at least partly synchronously with the transmission of at least one second value sequence by a second circuit assembly. The first circuit assembly ascertains a secret element for generating the key on the basis of the at least one first value sequence and on the basis of the superposition of the at least one first value sequence and the at least one second value sequence on the transmission channel. The first circuit assembly is monitored for errors.