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Scope: Core (OPC-10000-*) All specs

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OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

6.7.6 Deriving keys

channel. The following information is specified by the SecurityPolicy : SigningKeyLength (from the DerivedSignatureKeyLength ); EncryptingKeyLength (implied by the SymmetricEncryptionAlgorithm ); InitializationVectorLength (from by the InitializationVectorLength ); The pseudo random function requires a secret