SIGNAL+DRAHT | Ausgabe 06/2020

An intelligent key management solution for railway operations

Juni 2020 | Michael Kälber, Harini Bakuri

The introduction of ETCS Level 2 (European Train Control System) into European railway operations is progressing. L arge railway operators and increasingly even smaller ones are using symmetric cryptograhic methods to secure radio-based communication between infrastructure and rolling-stock. The underlying cryptograhic management for managing and distributing crypto keys is a prerequisite for the interoperability of the systems and h as therefore been standardised across Europe. Currently, the keys are distributed manually (offline)....