IEC 62443
IEC 62443-4-2:2019 technical security requirements for IACS components – IEC 62443

IEC 62443 CR 1.14: Strength of symmetric key-based authentication

For symmetric key authentication the component shall establish mutual trust using the key, protect it in storage, and restrict access to it, with RE 1 requiring hardware security for the key. The held ISAGCA paper lists CR 1.14 among the SL 2 additions.

Maintained by Gerard BlokdykControl text last updated

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