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The ROM code based root of trust necessary to hardening the embedded system does not enable IEC 62443 compliant security levels higher than SL 2 due to following limitations:
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Hilscher's V-Model for the bug fixing of the ROM code falls into three broad categories:
In line with the lead-time of typical production lots, Hilscher is going to inform customers until end of 2021 in advance about the ROM code change by following the PCN guidelines of the JEDEC standard J-STD-046. |