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Industrial Security Part 6: The Challenge-Response-Concept

In part five of this series, I explained the abilities of the DS28E38 chip from Maxim. In part seven, I will demonstrate the evaluation kit. But let's try to get a more general understanding of embedded authentication in today's article.
Volker de Haas started electronics and computing with a KIM1 and machine language in the 70s. Then FORTRAN, PASCAL, BASIC, C, MUMPS. Developed complex digital circuits and analogue electronics for neuroscience labs (and his MD grade). Later: database engineering, C++, C#, industrial hard- and software developer (transport, automotive, automation). Designed and constructed the open-source PLC / IPC "Revolution Pi". Now offering advanced development and exceptional exhibits.