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• OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub
  5.4.5.4 Authorization Services and Security Key Service
  Authorization Services and Security Key Service Access to the SKS can be managed by an Authorization Service as shown in Figure 13 . Figure 13 - Handshake with a Security Key Service ... Server that exposes a Method called GetSecurityKeys . The Access Token is used to determine if the calling application is allowed to access the keys. One way to do this would
• OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security
  4.4.3 IdentityMappingRuleType
  criteriaType is Role , the criteria is a name of a restriction found in the Access Token . For example, the Role "subscriber" may only be allowed to access PubSub ... related Nodes . If the issuedTokenType of the Access Token is " http://opcfoundation.org/UA/UserToken#JWT" , the criteria contains one of the entries in the roles array of the JWT IssuedIdentityToken