IEC 62351 - Power Systems Communication Security

Part 9: cyber security key management – IEC 62351 - Power Systems Communication Security

IEC 62351 - Power Systems Communication Security 9:6: Part 9, clause 6: normative key management requirements (security events, required cryptographic material, random number generation, object identifiers)

Conforming implementations handle the security events the part defines, hold the required cryptographic material, generate random numbers from an approved source, and use the object identifiers the part assigns.

Maintained by Gerard BlokdykControl text last updated 21 May 2026

Other controls in Part 9: cyber security key management – IEC 62351 - Power Systems Communication Security

9:4 Part 9, clause 4: security concepts applicable to power systems (confidentiality, integrity, authentication, non-repudiation; cryptographic algorithms and concepts)
9:5.2 Part 9, 5.2 to 5.5: key management lifecycle, key usages, key management system security policy and design principles for power system operations
9:5.6 Part 9, 5.6: key agreement (Diffie-Hellman, key derivation functions, group key management)
9:5.7 Part 9, 5.7: public-key and privilege management infrastructures (registration and certification authorities, public-key certificates, attribute certificates, extensions)
9:5.8 Part 9, 5.8: certificate management (process, initial creation, onboarding, enrolment, CSR processing, enrolment protocols, trust anchor management)
9:5.9 Part 9, 5.9 to 5.11: revocation (CRL, OCSP, SCVP, recovery), trust via self-signed certificates, authorization and validation lists
9:7 Part 9, clause 7: asymmetric key management (certificate components, generation and installation, key protection, certificate policy, trust anchor establishment and update, entity configuration, certificate verification)
9:8 Part 9, clause 8: symmetric key management (group keys for GOOSE, SV and PTP through GDOI; session keys for IEC 60870-5 and DNP3)

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